CN102665473A - Zipper component and slide zipper, and method for producing zipper component - Google Patents

Zipper component and slide zipper, and method for producing zipper component Download PDF

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Publication number
CN102665473A
CN102665473A CN2009801629959A CN200980162995A CN102665473A CN 102665473 A CN102665473 A CN 102665473A CN 2009801629959 A CN2009801629959 A CN 2009801629959A CN 200980162995 A CN200980162995 A CN 200980162995A CN 102665473 A CN102665473 A CN 102665473A
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CN
China
Prior art keywords
metal coating
slide fastener
component parts
fastener component
body portion
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Granted
Application number
CN2009801629959A
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Chinese (zh)
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CN102665473B (en
Inventor
杉本保彦
菊川范夫
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YKK Corp
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YKK Corp
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/26—Sliders
    • A44B19/28—Sliders constructed to be removable from at least one stringer ; Sliders with movable parts to permit releasing of the slider in the event of jamming or obstruction
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/24—Details
    • A44B19/38—Means at the end of stringer by which the slider can be freed from one stringer, e.g. stringers can be completely separated from each other
    • A44B19/384—Separable slide fasteners with quick opening devices
    • A44B19/388—Bottom end stop means for quick opening slide fasteners
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/42—Making by processes not fully provided for in one other class, e.g. B21D53/50, B21F45/18, B22D17/16, B29D5/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2561—Slider having specific configuration, construction, adaptation, or material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/25—Zipper or required component thereof
    • Y10T24/2598—Zipper or required component thereof including means for obstructing movement of slider

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Slide Fasteners (AREA)

Abstract

A zipper component (1) comprising a component body (2) made of a metal and a metal plating film (3) provided on the surface of said component body. In this zipper component (1), at least a part of said component body (2) has been thermally treated before bending and thus said metal plating film (3) has a recrystallized structure wherein at least a part thereof has been recrystallized. Since the ductility of the metal plating film (3) can be improved thereby, when the zipper component (1) is bent, the metal plating film (3) can be deformed to follow the deformation of the component body (2). Therefore, the occurrence of crevicing or cracking in the metal plating film (3) can be prevented.

Description

The manufacturing approach of slide fastener component parts and slide fastener and slide fastener component parts
Technical field
The present invention relates to slide fastener component parts and manufacturing approach thereof that slide fastener that at least a portion is applied in bending machining such as riveted joint processing etc. is used, more specifically relate to and have metal article body portion and in the slide fastener component parts and the manufacturing approach thereof of the metal coating of the surface configuration of this article body portion.
Background technology
As a rule, slide fastener uses slide fastener coupling element, go up and end sign indicating number, end sign indicating number, intubate and socket etc. down and separates inlay, the such various slide fastener component parts of pull head, also comprises metal parts in these slide fastener component parts more.
As one of so metal slide fastener component parts slide fastener coupling element is just arranged.Usually, metal slide fastener coupling element is that metal plate material such as copper that for example has predetermined thickness or copper alloy is carried out drawing and forms engages head etc., and die-cut etc. through this plate material is carried out, and forms to such an extent that have a roughly Y word shape.And then, resulting metal slide fastener coupling element, through about shank between clip under the state of zipper strip two shanks riveted towards the inboard, thereby be installed in zipper strip.
In addition, the metal sign indicating number that ends down about as other slide fastener component parts is recorded in for example the 2nd, 884, No. 691 specifications of United States Patent (USP) (patent documentation 1).This patent documentation 1 is put down in writing, and the following sign indicating number that ends forms through following like this: to the metal wire with circular cross-section carry out rolling processing so that the section deformation of this metal wire for X word shape roughly (perhaps roughly H word shape), afterwards this metal wire is pressed the predetermined length cut-out.In addition, the resulting following sign indicating number that ends with cross section of X word shape roughly (perhaps roughly H word shape) is riveted towards zipper strip respectively through the arm that will respectively extend 1 group to the left and right, and is installed in this zipper strip.
In addition; About the metal slide fastener component parts such as ending sign indicating number, intubate, socket of going up; Also through metal materials such as copper, copper alloy, aluminium alloy, kirsite being shaped or being cut to reservation shape, afterwards resulting slide fastener component parts being riveted processing, thereby it is installed on zipper strip.
On the other hand; Under the situation of metal system pull head; Sometimes: metal such as kirsite or aluminium alloy carries out the die casting shaping through for example using; Formation has the pull head main body of reservation shape climbs with drawing, and further the part of resulting pull head main body is riveted processing or bending machining, is installed on the pull head main body thereby will draw to climb.
Patent documentation 1: United States Patent (USP) the 2nd, 884, No. 691 specifications
All the time, in order to give new external appearance characteristic property to metal system article, to improve its corrosion resistance etc., and handle on article surface, to form plated film through these article being carried out plating.For the various metal slide fastener component parts that constitutes slide fastener, also all the time formation of carrying out such plated film more.
For example by metal slide fastener coupling elements such as copper or copper alloys, end slide fastener component parts such as sign indicating number up and down; For protect the article body of the substrate blank portion that becomes, in order to give the tone of expection, and the metal coating that will constitute by copper-Zn based alloy (brass), or be that alloy, tin-nickel are that the metal coating of the white color system that constitutes of alloy is formed on its surface by copper-Xi.
In addition; For example with metals such as aluminium alloy be the slide fastener coupling element of mother metal, up and down end sign indicating number, or with metals such as kirsite be mother metal end slide fastener component parts such as sign indicating number, pull head up and down; For the tone of giving expection, in order to improve corrosion resistance, will be formed on the surface of article body portion sometimes by the metal coating that copper (fine copper), copper-Zn based alloy constitute.
But the common hardness of plated film that is made up of metal of above-mentioned that kind is high.Therefore; At slide fastener coupling element for example, up and down end formed metal coating on the slide fastener component parts such as sign indicating number after; Be installed on the zipper strip for the slide fastener component parts that this is had metal coating, be installed on the pull head main body in order to draw to climb; And this slide fastener component parts with metal coating carried out exist metal coating to form crackle, the such shortcoming in crack easily under the situation of bending machining such as riveted joint processing of said that kind.
If on metal coating, form crackle, crack like this; Although then formed metal coating for the tone of giving expection; But because the blank of substrate can expose from the part that this crackle, crack take place, so there is the impaired such problem of variation attractive in appearance, the external appearance characteristic property of slide fastener, exterior quality of slide fastener component parts.
And then, forming under the situation of metal coating on the surface of slide fastener component parts in order to improve corrosion resistance, also exist because crackle, crack part have taken place to cause the substrate blank (mother metal) of slide fastener component parts that the such problem of saprophage takes place easily.
Especially in recent years, for the slide fastener adhered product that uses slide fastener has feeling of high class, and beginning is used in slide fastener and is seemed flat large-sized slide fastener coupling element, ends sign indicating number etc. up and down.But; With so large-sized slide fastener coupling element, end the sign indicating number riveted and fixed under the situation of zipper strip up and down; Because the deflection of plastic deformation is big because this riveted joint is processed, can crackle, crack take place significantly, in addition on metal coating; Because it is big that the size in crackle, crack becomes, so the problem of the problem attractive in appearance of the slide fastener component parts of above-mentioned that kind, saprophage is more serious.
Summary of the invention
The present invention accomplishes in view of above-mentioned existing problem; Its concrete purpose is to provide: even carry out bending machining, the metal coating that forms on the surface of article body portion also is difficult to take place the slide fastener component parts in crackle, crack, the slide fastener that reaches this slide fastener component parts after using bending machining and the manufacturing approach of this slide fastener component parts.
In order to reach above-mentioned purpose; By slide fastener component parts provided by the present invention is the slide fastener component parts that following slide fastener is used; As basic structure; After the surface of metal article body portion is formed with metal coating, formation at said metal coating, at least a portion of said article body portion is carried out bending machining, the main of this slide fastener component parts is characterised in that
Through before said bending machining, heat-treating, at least a portion that said metal coating has crystalline texture recrystallizes the recrystallization texture that forms.
Especially in slide fastener component parts involved in the present invention; Preferably; Said recrystallization texture is through forming so as follows: after the surface of said article body portion has formed said metal coating with columnar crystal structure, this metal coating is carried out said heat treatment and at least a portion of said columnar crystal structure is recrystallized.
In slide fastener component parts involved in the present invention, preferably, said article body portion is made up of copper or copper-Zn based alloy.Under this situation, particularly preferably be, the zinc that 75wt% is above and the copper below the 100wt% is above with 0wt% and 25wt% is following is at least contained in said article body portion.
In addition, in slide fastener component parts involved in the present invention, said article body portion also can have: the metallic object that is made up of zinc or Zn based alloy; The base coated film that constitutes with the surface that is configured in said metallic object, by copper.Perhaps, said article body portion also can have: the metallic object that is made up of aluminum series alloy; First base coated film that is configured in the surface of said metallic object, constitutes by zinc; Second base coated film that is configured in the surface of said first base coated film, constitutes by copper.
And then, in slide fastener component parts involved in the present invention, preferably, said metal coating by be selected from copper-Zn based alloy, copper-Xi be alloy, and tin-nickel be that at least a kind of alloy in the group of alloy constitutes.
In slide fastener component parts of the present invention, preferably, the said metal coating with said recrystallization texture has the above and thickness below the 10 μ m of 1 μ m.
In addition, preferably, the said metal coating with said recrystallization texture has the above and Vickers hardness below the Hv100 of Hv50.
And then, preferably, have the contained metal diffusion of said metal coating and the diffusion layer that forms in the skin section of the said metal coating side of said article body portion.
And then, in addition preferably, said slide fastener component parts be selected from slide fastener coupling element, end sign indicating number, separate inlay, and the group of pull head at least a kind of parts.
And then, according to the present invention the slide fastener that the slide fastener component parts bending machining with said structure is used can be provided.
In addition; By the manufacturing approach of slide fastener component parts provided by the present invention is the manufacturing approach of the slide fastener component parts used of following slide fastener; As basic structure; After the surface configuration of metal article body portion has metal coating, formation at said metal coating, at least a portion of said article body portion is carried out bending machining, the main of the manufacturing approach of this slide fastener component parts is characterised in that, comprising:
Surface in said article body portion forms said metal coating; And
Before said bending machining, through carrying out that said metal coating is heated to the heat treatment that recrystallizes more than the temperature, and at least a portion that forms the crystalline texture with said metal coating recrystallizes the recrystallization texture that forms.
Especially, the manufacturing approach of slide fastener component parts involved in the present invention preferably, comprising: the said metal coating that will be configured in the surface of said article body portion forms columnar crystal structure; And, the said metal coating with said columnar crystal structure forms said recrystallization texture through being carried out said heat treatment.
The manufacturing approach of slide fastener component parts involved in the present invention preferably, constitutes said metal coating by copper-Zn based alloy; And in said heat treatment, be heated to said metal coating more than 300 ℃ and below 400 ℃.
In addition, the manufacturing approach of slide fastener component parts involved in the present invention also can comprise: by copper-Xi is that alloy constitutes said metal coating; And in said heat treatment, be heated to said metal coating more than 400 ℃ and below 500 ℃.Perhaps, manufacturing approach of the present invention also can comprise: by tin-nickel is that alloy constitutes said metal coating; And in said heat treatment, be heated to said metal coating more than 500 ℃ and below 600 ℃.
And then manufacturing approach of the present invention preferably, comprising: through said heat treatment, the above Vickers hardness of Hv120 that said metal coating is had becomes more than the Hv50 and below the Hv100.
Slide fastener component parts involved in the present invention after the surface of metal article body portion has formed metal coating, is heat-treated this metal coating.Thus, be formed at least a portion that metal coating on the slide fastener component parts has crystalline texture and recrystallize the recrystallization texture that forms.
Through having recrystallization texture at least a portion of metal coating like this; This metal coating; The ductility excellence of comparing with the metal coating before the heat treatment that forms on the surface of article body portion; So can make the metal coating elongation with comparalive ease, can make this metal coating be difficult to take place crackle, crack.
Therefore; If slide fastener component parts of the present invention; When then carrying out bending machining in article body portion to metal coating that above-mentioned that kind is arranged in surface configuration; Be out of shape because can make metal coating easily follow the distortion of this article body portion, so can make metal coating be difficult to take place or do not take place crackle, crack.
Therefore, this slide fastener component parts can solve in existing slide fastener component parts by the crackle of metal coating, the problem that causes in the crack, be the such problem of variation attractive in appearance of slide fastener component parts to have the color of being given equably at metal coating.And then the so existing problem of saprophage takes place in substrate blank that this slide fastener component parts can also easily solve the slide fastener component parts easily.
Especially in slide fastener component parts involved in the present invention; Recrystallization texture is after through the surface in article body portion metal coating being formed columnar crystal structure, this metal coating is heat-treated and at least a portion of columnar crystal structure is recrystallized and forms.The present invention especially can be applied to make metal coating be grown to the situation of columnar crystal structure well.
That is, the slide fastener component parts of the present invention that at least a portion of the metal coating with columnar crystal structure is recrystallized is compared with the existing metal coating that only has columnar crystal structure, and the ductility of metal coating is excellent.Therefore, can make the metal coating that on the slide fastener component parts, forms be difficult to take place crackle, crack.
Slide fastener component parts of the present invention like this can be applied to the situation that article body portion is made up of copper or copper-Zn based alloy well.Copper, copper-Zn based alloy, because ductility is excellent, thus can rivet bending machining such as processing with comparalive ease, many all the time as slide fastener coupling element for example, end the material of such slide fastener component parts such as sign indicating number up and down.If the surface configuration at such slide fastener component parts that is made up of copper, copper-Zn based alloy has the metal coating with recrystallization texture, then can, article body portion prevent metal coating generation crackle, crack efficiently when having been carried out bending machining.
Especially in this case, because the copper that 75wt% is above and 100wt% is following at least contains in article body portion and 0wt% is above and the zinc below the 25wt%, can prevent more reliably stress saprophage crackle to take place in the article body portion that has carried out bending machining.
In addition, slide fastener component parts of the present invention also can be applied to said article body portion well and have the metallic object that is made up of zinc or Zn based alloy; The situation of the base coated film that constitutes with the surface that is configured in this metallic object, by copper.Zinc, as a rule low price, in addition easily form the shape of expection through utilizing die casting to be shaped, so can be easily as the material of for example separating such slide fastener component parts such as inlay, pull head.In addition, zinc is because corrosion resistance is low, so under the situation that zinc or Zn based alloy are used as the metal mother metal, form the base coated film of the copper that contains corrosion resistance excellent on the surface of this metallic object.
The surface of the metallic object that constitutes by zinc or Zn based alloy in such having and the slide fastener component parts of base coated film; Dispose under the situation of metal coating with recrystallization texture; Also can, article body portion prevent metal coating generation crackle, crack efficiently when being carried out bending machining.
And then slide fastener component parts of the present invention also can be applied to following situation well: said article body portion has: the metallic object that is made up of aluminum series alloy; First base coated film that is configured in the surface of this metallic object, constitutes by zinc; Second base coated film that constitutes with the surface that is configured in this first base coated film, by copper.
Aluminum series alloy in light weight.Therefore, through using the metal mother metal of aluminum series alloy, can constitute metal slide fastener component parts as the slide fastener component parts extremely gently.Therefore, such aluminum series alloy can be used as slide fastener coupling element easily, end the material of such slide fastener component parts such as sign indicating number, pull head up and down.
In addition; Aluminum series alloy is also because corrosion resistance is low; So using under the situation of aluminum series alloy as the metal mother metal; First base coated film that constitutes by zinc through formation such as electroless plating apply on the surface of this metallic object, and then, second base coated film that constitutes by the copper of corrosion resistance excellent in the formation of the surface of this first base coated film.
The surface of the metallic object that constitutes by aluminum series alloy in such having and the slide fastener component parts of first and second base coated film; Dispose under the situation of metal coating with recrystallization texture; Also can, article body portion prevent metal coating generation crackle, crack efficiently when having been carried out bending machining.
In addition; In slide fastener component parts of the present invention; The material of metal coating for example can be used copper (fine copper), copper-Zn based alloy, and white color system metal (for example copper-Xi is that alloy, tin-nickel are alloy, nickel, chromium, palladium, rhodium, platinum etc.); But metal coating especially of the present invention, preferably, by be selected from have the lower copper-Zn based alloy that recrystallizes temperature province, copper-Xi be alloy, and tin-nickel be that in the group of alloy at least a kind constitutes.Through making the metal coating that constitutes by such material have recrystallization texture, thereby even, also can prevent metal coating generation crackle, crack, so the slide fastener component parts can access the good surface appearance quality because the slide fastener component parts is carried out bending machining.
And then in slide fastener component parts of the present invention, the metal coating with recrystallization texture has the above and thickness below the 10 μ m of 1 μ m, preferably has the above and thickness below the 6 μ m of 2 μ m.Be set at (preferably more than the 2 μ m) more than the 1 μ m through thickness, can stablize and form reliably metal coating this metal coating.
In addition; The thickness of this metal coating forms thickly more; Can make the formation of metal coating stable more; Even but to set the thickness of metal coating also bigger than 10 μ m, how the stability of metal coating and the effect that is improved by the resulting exterior quality of metal coating can not become yet, so the thickness of this metal coating is set to (preferably below the 6 μ m) below the 10 μ m.
And then in slide fastener component parts of the present invention, the metal coating with said recrystallization texture has the above and Vickers hardness of Hv below 100 of Hv50 in addition.If the Vickers hardness of this metal coating is more than the Hv50, then can prevent the surperficial injured etc. of slide fastener component parts, to keep the good surface appearance quality.
On the other hand, if the Vickers hardness of this metal coating is below the Hv100, then can form metal coating to improve the ductility of metal coating softly.Therefore, when the slide fastener component parts is carried out bending machining, also can prevent this metal coating generation crackle, crack more reliably under the big situation of the amount of plastic deformation of article body portion of slide fastener component parts even cause by this bending machining.
In addition, in slide fastener component parts of the present invention, has the contained metal diffusion of metal coating and the diffusion layer that forms in the skin section of the metal coating side of said article body portion.Owing to have such diffusion layer in the skin section of article body portion, can make metal coating well the compliant member main part to improve the close attachment property of metal coating with respect to article body portion.
Slide fastener component parts of the present invention so for example is applied to especially slide fastener coupling element well, goes up and end sign indicating number, end sign indicating number, intubate, socket etc. down and separate inlays, reach the such parts of pull head.
And, by slide fastener provided by the present invention, use through the slide fastener component parts with said structure is carried out bending machining, and constitute.Therefore, slide fastener of the present invention does not have the metal coating generation crackle of (or little) slide fastener component parts, the situation in crack, has uniform color, very attractive in appearance and external appearance characteristic property, the excellent slide fastener of exterior quality so it becomes the slide fastener component parts.
Next; Manufacturing approach by slide fastener component parts provided by the present invention; Through on the surface of the article body portion of slide fastener component parts, forming metal coating; And then before carrying out bending machining, carry out metal coating is heated to the heat treatment that recrystallizes more than the temperature, make the slide fastener component parts.
According to such manufacturing approach of the present invention; Metal coating through to the surface that is configured in article body portion is heat-treated; Make the crystalline texture of this metal coating recrystallize, so can easily be formed on the metal coating that at least a portion has the disorderly recrystallization texture of crystalline orientation.Metal coating with such recrystallization texture is because of ductility has improved, so can when carrying out bending machining for the slide fastener component parts that produces through this manufacturing approach, prevent metal coating generation crackle, crack efficiently.
Especially in the manufacturing approach of slide fastener component parts involved in the present invention; The metal coating on the surface through will being configured in article body portion forms columnar crystal structure; And then the metal coating with this columnar crystal structure heat-treated, and form recrystallization texture.Like this, the present invention can be applied to make metal coating to grow into the situation of columnar crystal structure especially well.That is,, can improve the ductility of metal coating, so can make the metal coating after the heat treatment be difficult to take place crackle, crack through the metal coating that forms columnar crystal structure is heat-treated.
In addition, in the manufacturing approach of slide fastener component parts involved in the present invention, constitute said metal coating, be heated to this metal coating more than 300 ℃ and below 400 ℃ through heat treatment by copper-Zn based alloy.Thus, under the situation that metal coating is made up of copper-Zn based alloy, can be easily and stably form recrystallization texture at least a portion of this metal coating.
And then, in the manufacturing approach of slide fastener component parts involved in the present invention, be that alloy constitutes said metal coating by copper-Xi, be heated to this metal coating more than 400 ℃ and below 500 ℃ through heat treatment.Thus, be under the alloy situation about constituting by copper-Xi at metal coating, can be easily and stably form recrystallization texture at least a portion of this metal coating.
And then, in the manufacturing approach of slide fastener component parts involved in the present invention, be that alloy constitutes said metal coating in addition by tin-nickel, be heated to this metal coating more than 500 ℃ and below 600 ℃ through heat treatment.Thus, be under the alloy situation about constituting by tin-nickel at metal coating, can be easily and stably form recrystallization texture at least a portion of this metal coating.
In addition, in manufacturing approach of the present invention, make Vickers hardness more than the Hv120 that said metal coating has become more than the Hv50 and below the Hv100 through said heat treatment.Become more than the Hv50 through the Vickers hardness that makes metal coating, can prevent the surperficial injured etc. of slide fastener component parts, keep the good surface appearance quality.On the other hand, become below the Hv100, can when the slide fastener component parts is carried out bending machining, prevent metal coating generation crackle, crack more reliably through the Vickers hardness that makes metal coating.
Description of drawings
Fig. 1 is the cutaway view that schematically shows the cross section of the slide fastener component parts before heat-treating.
Fig. 2 is the cutaway view that schematically shows the cross section of having carried out the slide fastener component parts after the heat treatment.
Fig. 3 is the front view that expression constitutes the slide fastener component parts of slide fastener.
Fig. 4 is the cutaway view that expression ends sign indicating number down.
Fig. 5 schematically explains down to end the key diagram of sign indicating number with respect to the bending machining of zipper strip.
Fig. 6 is the flow chart that is used to explain the method for making the slide fastener component parts in embodiments of the present invention.
The specific embodiment
Below, about preferred implementation of the present invention, while enumerate embodiment and at length describe with reference to accompanying drawing.In addition, the present invention does not receive below any qualification with the embodiment of explanation, just can carry out various changes as long as have the structure identical in fact with the present invention and serve the same role effect.
Here; Fig. 1 is the cutaway view that schematically shows the state before the slide fastener component parts that on the surface of article body portion, is formed with metal coating heat-treated, and Fig. 2 is shown schematically in the cutaway view that this slide fastener component parts has been carried out the state after the heat treatment.
The related slide fastener component parts 1 of this embodiment is following parts, constitutes among the parts of slide fastener, and the mother metal of article body portion 2 is made up of metal, and at least a portion of hardware body portion 2 is riveted bending machining such as processing.Such slide fastener component parts 1, for example Fig. 3 illustrates common slide fastener 10 that kind, comprise metal slide fastener tooth 11, down end sign indicating number 12, go up and end sign indicating number 13, pull head 14 (especially pull head main body), not shown intubate and not shown socket etc.
Metal slide fastener tooth 11 is normally following to be made like this: the metal wire of the strip through the cross section being Y word shape cuts off successively to form by the thickness of expection at its length direction and mainly looks chain tooth blank with Y word shape and this chain tooth blank is carried out drawing to form engages head, perhaps metal plate materials such as copper with predetermined thickness, copper alloy is carried out drawing to form engages head etc. and to carry out die-cut to this plate material.
The metal slide fastener tooth 11 that produces like this; Through between two shanks that extend setting from engages head by two strands of shapes, clipping under the state of zipper strip 15 with core rope 15a of portion; Make the bending machining of two shanks, thereby be installed in zipper strip 15 to approaching each other direction plastic deformation.
End down sign indicating number 12 normally through being that the metal wire of the strip of X word shape or H word shape cuts off successively by the thickness of expection at its length direction and makes with the cross section.The following sign indicating number 12 that ends in cross section like this with X word shape or H word shape, that kind at first as shown in Figure 4, respectively extend to the left and right from main part 12a insert respectively between 1 group the arm 12b have the core rope 15a of portion about zipper strip 15.And through between the arm 12b of each group, clipping under the state of zipper strip 15, the arm 12b that makes each group is each other to the bending machining of approaching direction plastic deformation, thereby zipper strip 15 ground that will descend to end about sign indicating number 12 strides across are installed.
Go up to end sign indicating number 13 normally through being that the metal wire of the strip of ∪ word shape cuts off at its length direction thickness as expected successively with the cross section; Perhaps flat metal wire is cut off at its length direction thickness as expected successively, become ∪ word shape to make resulting cut off machine bending machining.Going up of the cross section with ∪ word shape like this ends sign indicating number 13; Through clipping under the state of zipper strip 15 between the both ends of on this, ending sign indicating number 13; Make the both ends of ending sign indicating number 13 bending machining, end sign indicating number 13 and be installed in zipper strip 15 thereby go up to approaching direction plastic deformation.
The mould that pull head 14, intubate and socket normally have a predetermined chamber shape through use carries out die casting and is shaped and makes.For example pull head 14, are shaped and form shape pull head main body and climb with drawing through carrying out die casting.And then, will draw under the state of climbing a part that remains in the pull head main body, carry out bending machining through a part to this pull head main body, will draw to climb to be installed on the pull head main body.On the other hand, intubate and socket being shaped through die casting after being made, carrying out bending machining and are installed in zipper strip.
The slide fastener component parts 1 that comprises this embodiment of the metal slide fastener tooth 11 of above-mentioned that kind, following only sign indicating number 12 etc.; Have metal article body portion 2 and the metal coating 3 that is configured in the surface of article body portion 2; And then after state such slide fastener component parts 1 is made the heat treatment that the crystalline texture of metal coating 3 recrystallizes after, form diffusion layer 4 in the skin section of article body portion 2.
The material of the metal of component parts main part 2 is not special to be limited; But the slide fastener component parts 1 of this embodiment is above-mentioned such parts that constitute slide fastener; And be the parts that at least a portion is carried out bending machining; So preferably, the metal mother metal of article body portion 2 is at least a kind of metal that is selected from the group of copper, copper-Zn based alloy, zinc, Zn based alloy and aluminum series alloy.
Especially, under the situation that the metal mother metal of article body portion 2 is made up of copper or copper-Zn based alloy, portion's article main part 2 has excellent ductility, so can rivet bending machining such as processing with comparalive ease.Under this situation, the ratio of the copper component that article body portion 2 (metallic object) is contained is many more in addition, and ductility, corrosion resistance improve more, so preferably, the amount of the copper in the article body portion 2 is more than the 75wt%.In addition, copper is widely used in electric wire etc. usually, so obtain the copper cash in various lines footpath easily.Therefore, for example under the big situation such as slide fastener of manufacturing dimension, also can be by fine copper (amount of copper is 100wt%) component parts main part 2.
On the other hand,, then can reduce manufacturing cost, but the corrosion resistance of article body portion 2 is reduced and cause the generation of stress saprophage crackle if the contained zinc components in proportions of article body portion 2 (metallic object) uprises.Therefore, preferably, the amount of zinc is below the 25wt% in the article body portion 2.
In addition, cheap under the situation that the metallic object (metal mother metal) of article body portion 2 is made up of zinc or Zn based alloy, can utilize to be molded into and describe and be prone to and form in large quantities such complicated shape such as pull head, intubate and socket.On the other hand, zinc, Zn based alloy have the one side of corrosion resistance difference.Therefore, in this article body portion 2, form the base coated film that the copper by corrosion resistance excellent constitutes at surface by utilizing electrolysis plating of the metallic object that constitutes by zinc or Zn based alloy etc.
And then, constitute by aluminum series alloy under the situation of (particularly being aluminum-magnesium series alloy or Solder for Al-Cu Joint Welding-Si system alloy) at the metallic object (metal mother metal) of article body portion 2, can easily make 1 lightweight of slide fastener component parts.On the other hand, aluminum-magnesium series alloy, Solder for Al-Cu Joint Welding-Si system alloy have the one side of corrosion resistance difference, so need carry out preservative treatment.Therefore; In this article body portion 2, at first, on the surface of the metallic object that constitutes by aluminum series alloy; First base coated film that uses formation such as electroless plating applies to constitute by zinc, the base coated film that constitutes by the copper of corrosion resistance excellent in the formation such as surface by utilizing electrolysis plating of this first base coated film afterwards.
In addition, the article body portion 2 of this embodiment when having the heat treatment through after metal coating 3 has been carried out, having stated, makes these metal coating 3 contained metals be diffused into the skin section of article body portion 2 and the diffusion layer 4 that forms.
This diffusion layer 4 under the situation that the metal mother metal of article body portion 2 is made up of for example copper or copper-Zn based alloy, forms in the skin section of the article body portion 2 (metallic object) of copper or copper-Zn based alloy.In addition, under the situation that the metallic object of article body portion 2 is made up of for example zinc or Zn based alloy, diffusion layer 4 is formed at the skin section at the base coated film that is made up of copper of the surface configuration of metallic object.And then under the situation that the metallic object of article body portion 2 is made up of for example aluminum series alloy, diffusion layer 4 is formed at the skin section at second base coated film that is made up of copper of the face side configuration of article body portion 2.
Form such diffusion layer 4 through skin section, can make metal coating 3 follow article body portion 2 well, so can improve the close attachment property of metal coating 3 for article body portion 2 in article body portion 2.In addition, for example under the situation that article body portion 2 is made up of copper-Zn based alloy and metal coating 3 is made up of copper-Zn based alloy, at the amount of comparing the contained zinc of article body portion 2 with metal coating 3 for a long time, do not form diffusion layer 4.
In the related slide fastener component parts 1 of this embodiment, in order to give the tone of expection, and on the surface of the article body portion 2 of above-mentioned that kind, be formed with metal coating 3 to this slide fastener component parts 1.As after state, this metal coating 3 is at first handled through the plating that carries out wet type or dry type, and is formed on the surface of article body portion 2.At this moment, metal coating 3 has the columnar crystal structure to (111) planar orientation.
And then, before having formed metal coating 3 back, slide fastener component parts 1 is carried out bending machining, this metal coating 3 is implemented to be heated the heat treatment that recrystallizes more than the temperature with above-mentioned columnar crystal structure.Through heat treatment, at least a portion of columnar crystal structure recrystallizes, and constitutes the metal coating 3 that is formed with recrystallization texture that can't see crystalline orientation (crystalline orientation is disorderly).
At least a portion of metal coating 3 has the recrystallization texture of above-mentioned that kind like this, thereby this metal coating 3 compares softness with the metal coating that only has columnar crystal structure 3, and metal coating 3 is stretched.
In this embodiment, the material of metal coating 3 can be used copper (fine copper) for example, copper-Zn based alloy, and the metal (for example copper-Xi is that alloy, tin-nickel are alloy, nickel, chromium, palladium, rhodium, platinum etc.) of white color system.
Under this situation, if owing to can form the heat treatment temperature of recrystallization textures at metal coating 3, and the metallic object that the metal mother metal by article body portion 2 is constituted is softening, then may make 1 distortion of slide fastener component parts.Therefore, metal coating 3 constitutes by forming the such material of recrystallization texture with the low temperature of temperature more softening than the metal mother metal that makes article body portion 2.If for example consider to be suitable for slide fastener component parts 1 tone, metal coating 3 recrystallize temperature range etc., then metal coating 3 preferably by be selected from copper-Zn based alloy, copper-Xi be alloy, and tin-nickel be that at least a kind of alloy of the group of alloy constitutes.
Especially; Under the situation that the metal mother metal of article body portion 2 is made up of copper or copper-Zn based alloy, the metal coating 3 that is formed on the surface of this article body portion 2 is that alloy or tin-nickel are that alloy constitutes by the copper-Zn based alloy that for example can give the color matching of classicism (especially the amount of zinc is the above brass of 20wt%) or copper-Xi with color matching of white color system preferably.
In addition; Under the situation that the metal mother metal of article body portion 2 is made up of zinc, Zn based alloy or aluminum series alloy, the metal coating 3 that is formed on the surface of this article body portion 2 preferably uses the copper-Zn based alloys (especially the amount of zinc is the above brass of 20wt%) that for example can give the color matching of classicism to constitute.
In addition, the metal coating with recrystallization texture 3 of this embodiment has the above and thickness below the 10 μ m of 1 μ m, preferably has an above and thickness below the 6 μ m of 2 μ m.Be made as (preferably more than the 2 μ m) more than the 1 μ m through thickness, can stablize and reliably must form metal coating 3 this metal coating 3.
On the other hand; The thickness of metal coating 3 forms thickly more; Can make the formation of metal coating 3 stable more, even but set the thickness of metal coating 3 bigger than 10 μ m, the stability of metal coating 3, how not become through the such effect of the raising of metal coating 3 resulting exterior qualities yet; So the thickness of this metal coating 3 is set to (preferably below the 6 μ m, more preferably below the 3 μ m) below the 10 μ m.
And then the metal coating with recrystallization texture 3 of this embodiment has the above and Vickers hardness below the Hv100 of Hv50.If the Vickers hardness of this metal coating 3 is more than the Hv50, the surperficial injured grade that then can prevent slide fastener component parts 1 is to keep the good surface appearance quality.On the other hand, if the Vickers hardness of this metal coating 3 is below the Hv100, then can improve the ductility of metal coating 3 efficiently.
Then, have the method for slide fastener component parts 1 of this embodiment of the structure of above-mentioned that kind about manufacturing, the limit describes with reference to Fig. 6 limit.
At first, make article body portion 2 with reservation shape.Be under the situation of metal slide fastener tooth 11 of said that kind for example, at slide fastener component parts 1; Through being that the metal wire of the strip of Y word shape cuts off successively to form by the thickness of expection at its length direction and has the main chain tooth blank that is the Y word shape of looking with the cross section; Through being carried out drawing, this chain tooth blank forms engages head etc.; Perhaps through metal plate materials such as copper with predetermined thickness, copper alloy are carried out drawing form engages head etc. and this plate material is carried out die-cut, thereby the article body portion 2 (containing the article body portion 2 that forms before the base coated film) that makes metal slide fastener tooth 11.
In addition, for ending down under the situation of sign indicating number 12, through being that the metal wire of the strip of X word shape or H word shape cuts off at the thickness of its length direction by expection successively with the cross section, and make the article body portion 2 of ending sign indicating number 12 down at slide fastener component parts 1.On slide fastener component parts 1 is, end under the situation of sign indicating number 13; Through with the cross section be ∪ word shape strip metal wire its length direction by the expection thickness cut off successively; Perhaps; Flat metal wire is cut off at the thickness of its length direction by expection successively, resulting cut off machine bending machining is become ∪ word shape, thereby make the article body portion 2 of ending sign indicating number 13 of going up.
And then, be under the situation of intubate, socket or pull head 14 at slide fastener component parts 1, be shaped through using the mould that for example has predetermined chamber shape to carry out die casting, thereby make parts main part 2.
In addition, among the present invention, make not special qualification of method, means of parts main part 2, can change arbitrarily according to the material of slide fastener component parts 1, shape etc.
At this moment, for example under situation,, form base coated film made of copper through the electrolysis plating on the surface of this metallic object in order to improve the corrosion resistance of article body portion 2 by the metallic object of zinc or Zn based alloy component parts main part 2.In addition; For example under situation by the metallic object of aluminum series alloy (for example, aluminum-magnesium series alloy or Solder for Al-Cu Joint Welding-Si system alloy) component parts main part 2; In order to improve the corrosion resistance of hardware body portion 2; First base coated film that forms zinc system is applied through electroless plating in surface at metallic object, and then forms second base coated film made of copper on the surface of this first base coated film through the electrolysis plating.
Then, made the article body portion 2 of slide fastener component parts 1 in above-mentioned that kind after, resulting article body portion 2 is carried out plating handles, form metal coating 3 with surface with columnar crystal structure in this article body portion 2.At this moment, metal coating 3 crystalline growths that form on the surface of article body portion 2 become column.In addition, the material of the metal coating 3 that forms on the surface of hardware body portion 2 is not special to be limited, but preferably, as above-mentioned, by copper-Zn based alloy, copper-Xi be alloy or, tin-nickel is that alloy constitutes.
In addition, in this embodiment, form not special qualification of method of this metal coating 3, also can adopt any plating of wet type or dry type to handle.For example, handle as the plating of wet type and can utilize electrolysis plating, fusion plating etc., on the other hand, handle as the plating of dry type and can utilize PVD method, CVD method etc.
In addition, have in formation under the situation of metal coating 3 of columnar crystal structure, with the thickness of this metal coating 3 be set at more than the 1 μ m and below the 10 μ m, preferably be set at more than the 2 μ m and below the 6 μ m, to carry out the formation of metal coating 3.In addition, the Vickers hardness on the surface of the metal coating 3 that forms like this though change according to the material of metal coating 3, shows the above size of Hv120 basically.
Then, after the plating processing of having carried out above-mentioned that kind, formed the slide fastener component parts 1 of metal coating 3, carried out metal coating 3 is heated to the heat treatment (recrystallizing processing) that recrystallizes more than the temperature.At this moment, for example under the situation that the metal coating 3 of slide fastener component parts 1 is made up of copper-Zn based alloy, heat treatment is being carried out the scheduled time more than 300 ℃ and in 400 ℃ of following temperature ranges in non-oxidizing atmosphere.
Through in non-oxidizing atmosphere, heat-treating like this, can prevent metal coating 3 oxidation in heat treatment.Under this situation,, can use nitrogen atmosphere, argon gas atmosphere, carbon monoxide atmosphere or vacuum atmosphere etc. as non-oxidizing atmosphere.In addition; Through heat-treating more than 300 ℃ and in the temperature range below 400 ℃; Can form columnar crystal structure easily and stably and recrystallize the recrystallization texture that forms at least a portion of the metal coating 3 of copper-Zn based alloy system, and can prevent that article body portion 2 is softening.
In addition, for example be under the alloy situation about constituting by copper-Xi at metal coating 3, heat treatment is in the non-oxidizing atmosphere that has pressurizeed, to carry out the scheduled time more than 400 ℃ and in the temperature range below 500 ℃.On the other hand, be under the alloy situation about constituting by tin-nickel at metal coating 3, heat treatment is in the non-oxidizing atmosphere that has pressurizeed, to carry out the scheduled time more than 500 ℃ and in the temperature range below 600 ℃.
Like this, through heat-treating in the non-oxidizing atmosphere of (preferably more than the 0.5MPa) more than the 0.1MPa for example being pressurized to, can prevent that metal coating 3 contained tin from evaporating in heat treatment, and can prevent metal coating 3 oxidations.Under this situation,, can use nitrogen atmosphere, argon gas atmosphere or carbon monoxide atmosphere etc. as non-oxidizing atmosphere.In addition, through in predetermined temperature range, heat-treating, can form recrystallization texture easily and stably at least a portion of metal coating 3.
Heat treatment (recrystallizing processing) through carrying out above-mentioned that kind forms the recrystallization texture that columnar crystal structure has recrystallized with at least a portion at metal coating 3; The Vickers hardness on the surface of metal coating 3 is reduced to more than the Hv50 and below the Hv100, and improves the ductility of metal coating 3.In addition, through carrying out this heat treatment, metal coating 3 contained metals are diffused into the skin section of article body portion 2 and form diffusion layer 4.Thus, can access the slide fastener component parts 1 of described embodiment.
In addition, metal coating 3 constitutes by forming the such material of recrystallization texture with the low temperature of temperature more softening than the metal mother metal that makes article body portion 2 as above-mentioned.Therefore, even the heat treatment that the columnar crystal structure of metal coating 3 is recrystallized to slide fastener component parts 1, softening also being difficult to of article body portion 2 takes place, and the intensity of hardware body portion 2 is reduced.
After above-mentioned heat treatment (recrystallizing processing) finishes, for example metal coating 3 constitute by copper-Zn based alloy situation under, can make the contained copper oxidation of this metal coating 3 handle (dying black) with the melanism of further carrying out metal coating 3 is given black.Particularly, be immersed in the strong alkali solution that contains NaOH and sodium chlorite, form the cupric oxide coverlay on the surface of metal coating 3 through the slide fastener component parts 1 that will have metal coating 3.
In addition, in the present invention, the treatment conditions that the melanism of metal coating 3 is handled can be according to the selections arbitrarily such as composition of the alloy that constitutes metal coating 3.In addition, with the also not special qualification of the means of metal coating 3 melanism.And then, among the present invention, be not limited to the metal coating that constitutes by copper-Zn based alloy 3 melanism, give variation through copper sulfate method for example, thiosulfate technique to the tone of metal coating 3, thereby also can give green, blue color metal coating 3.
Afterwards, can be to the surperficial melanism of metal coating 3 slide fastener component parts 1 carry out milled processed.For example, will carry out slide fastener component parts 1 and grinding-material (grinding stone etc.) that melanism handles and devote tumbling mill in the lump to carry out milled processed.Thus, can be with melanism the oxidation coverlay peel off a part, the Surface Finishing of slide fastener component parts 1 is become the old brass of classicism.In addition, in this milled processed,, also can replace barreling and use Ginding process such as shot-peening according to shape of slide fastener component parts 1 etc.
On the other hand, after having carried out above-mentioned heat treatment, be that alloy or tin-nickel are that this metal coating 3 has the color matching of white color system under the alloy situation about constituting by copper-Xi for example at metal coating 3.Therefore, can handle and carry out the milled processed of barreling or shot-peening etc. the melanism that this metal coating 3 does not carry out above-mentioned that kind.
And then, after above-mentioned milled processed finishes, resulting slide fastener component parts 1 is washed so that its drying.Afterwards, for the surface protection of slide fastener component parts 1, prevent variable color and anticorrosion, can carry out the surface of slide fastener component parts 1 is implemented the application of transparent colourless application and handle.
The slide fastener component parts 1 that produces via the treatment project of above that kind, after riveted bending machining such as processing and be used in the slide fastener.At this moment, the metal coating 3 of configuration as above-mentioned, has recrystallization texture on this slide fastener component parts 1, and ductility is excellent.Therefore, even slide fastener component parts 1 is carried out bending machining, metal coating 3 also can be easily extends with the mode of the distortion of following the slide fastener component parts 1 that this bending machining caused.
Thus, even part 1 is carried out bending machining, can make that also metal coating 3 is difficult to take place and then crackle, crack can not take place.Especially, even for example under the situation that the size of slide fastener component parts 1 is big, the deflection of slide fastener component parts 1 is big when carrying out bending machining, also can make metal coating 3 crackle, ground, crack not take place, carry out bending machining swimmingly.
Therefore, can solve easily that crackle because of metal coating, existing problem, the for example substrate blank that cause in the crack expose the such problem of the variation attractive in appearance that makes the slide fastener component parts from crackle, the crack of metal coating, the such problem of saprophage takes place the substrate blank of slide fastener component parts easily.
Embodiment 1
Below, enumerate concrete embodiment so that the present invention to be described in further detail.
As embodiment 1, describe about following situation of ending sign indicating number 12 as slide fastener component parts shop drawings 3～that kind shown in Figure 5.The following sign indicating number 12 that ends of present embodiment 1 has article body portion that is made up of fine copper and the metal coating that is configured in the surface of article body portion.Under this situation, metal coating is that the amount of 65wt% and zinc is that the copper of 35wt% and the alloy of zinc constitute by the amount of copper.
In order to make the following sign indicating number 12 that ends of present embodiment 1, at first, the pure copper wire of strip with circular cross-section is carried out cold rolling processing so that the section deformation of pure copper wire becomes roughly H word shape.Then, through being that the pure copper wire of H word shape cuts off at the thickness of its length direction by expection with the cross section, make the article body portion of ending sign indicating number 12 down.Afterwards, through being carried out barreling, resulting article body portion handles the overlap that forms in article body portion to remove.
Then, through the following article body portion of ending sign indicating number 12 that does to make is undertaken handling based on the plating of electrolysis plating by predetermined condition, formed the metal coating of copper-Zn based alloy on the surface of article body portion.Then, after the formation of metal coating, observe the cross section of this metal coating through transmission electron microscope (TEM).Its result, confirm: it is 5.2 μ m that the metal coating crystalline growth of formation becomes the thickness of column and metal coating.
In addition, through the result that X-ray diffraction (XRD) is resolved the metal coating that forms, confirm that metal coating is to the surging orientation of (111) face.And then the result with EPMA analyzes metal coating also confirms: on this metal coating, be formed with the copper zone different with the zinc concentration ratio by stratiform.In addition, measure the result of the Vickers hardness of metal coating, metal coating has the Vickers hardness of Hv160.
Then, be formed with the following sign indicating number 12 that ends of the metal coating of copper-Zn based alloy for surface, heat-treat (recrystallizing processing) in the article body portion that constitutes by copper.In this heat treatment, carry out 1 hour heating with 380 ℃ to ending sign indicating number 12 down in a vacuum.After heat treatment is through with, observe the cross section of ending the metal coating that sign indicating number 12 had down through transmission electron microscope (TEM).Its result, confirm: observed columnar crystal structure has disappeared in heat treatment, has columnar crystal structure and recrystallizes the recrystallization texture that forms.
In addition, in tem observation, confirm; The thickness of metal coating is about 8.0 μ m from 5.2 μ m thickenings.Therefore, the result through EPMA analyzes this metal coating, confirm: metal coating be made as the thickness thickening part, be formed with the contained zinc of metal coating and be diffused into the diffusion layer that forms in the copper of article body portion.According to this result, be judged as:, in tem observation, can see the thickness thickening of metal coating owing to be formed with diffusion layer in the skin section of article body portion.
And then the result through X-ray diffraction (XRD) is resolved the metal coating after the heat treatment to the orientation disappearance of (111) face, can't see crystalline orientation.Also confirm according to this result: metal coating has columnar crystal structure and recrystallizes the recrystallization texture that forms.In addition, the result of the Vickers hardness of the metal coating after the mensuration heat treatment, confirm: metal coating has the Vickers hardness of Hv80, has reduced the Vickers hardness of metal coating through heat treatment.
Then, through the following sign indicating number 12 that ends after the heat treatment impregnated in the strong alkali solution that contains NaOH and sodium chlorite, carry out metal coating is given the melanism processing of black.Afterwards, through the following sign indicating number 12 that ends of having implemented that melanism handles is carried out the milled processed of being undertaken by tumbling mill, the tone that ends sign indicating number 12 down is finish-machined to the old brass of classicism, then this is time ended sign indicating number 12 and carry out colourless application processing.
After colourless application processing finishes, the resulting sign indicating number 12 that ends is down carried out bending machining, should end yards 12 down and be installed on zipper strip 15 (with reference to Fig. 4 and Fig. 5).Then, the following surface of ending sign indicating number 12 that detects by an unaided eye and on zipper strip 15, install, the result can't see crackle, crack at the metal coating that ends sign indicating number 12 down, and this time ends sign indicating number 12 and has the good surface appearance quality of the color matching that presents classicism equably.
On the other hand; In order to confirm the following effect of ending sign indicating number of present embodiment 1; Except after having formed metal coating, not heat-treating, end sign indicating number (comparative example) down through under the condition identical, making, this time only yard riveted processing, and it is installed on zipper strip with embodiment 1.And detecting by an unaided eye is installed in the related following surface of ending sign indicating number of this comparative example on the zipper strip, and crackle, crack significantly take place the metal coating that ends sign indicating number under the result.And then this time ends sign indicating number, and the metal mother metal of its substrate exposes via the crackle that on metal coating, forms, crack, (exterior quality) attractive in appearance variation.
Embodiment 2
As embodiment 2, describe about the situation of making metal slide fastener tooth 11 as the slide fastener component parts.
The metal slide fastener tooth 11 of present embodiment 2 has: the article body portion that is made up of the alloy (brass) of copper and zinc; Metal coating with the surface that is configured in article body portion.Under this situation, the alloy cupric 85wt% of component parts main part, contain zinc 15wt%.In addition, metal coating is that the amount of 70wt% and tin is that the alloy of the copper and tin of 30wt% constitutes by the amount of copper.
For the metal slide fastener tooth 11 of making present embodiment 2; Through being carried out drawing, the brazen plate material with predetermined thickness forms engages head etc.; And this plate material is carried out die-cut, thereby the article body portion that makes metal slide fastener tooth 11.Afterwards, resulting article body portion is carried out barreling handle, will remove at the overlap that article body portion forms.
Then, the article body portion of the metal slide fastener tooth 11 doing to make is undertaken handling based on the plating of electrolysis plating by predetermined condition, form the metal coating of copper-ashbury metal on the surface of article body portion.Afterwards, heat-treat (recrystallizing processing) for the metal slide fastener tooth that is formed with metal coating 11.In this heat treatment, in the argon gas atmosphere that has been pressurized to 0.6MPa, metal slide fastener tooth 11 is carried out 1 hour heating by 430 ℃.
Then, the metal slide fastener tooth after the heat treatment 11 being carried out colourless application handles.Afterwards, the metal slide fastener tooth 11 of having been implemented colourless application is riveted processing, this metal slide fastener tooth 11 is installed on zipper strip 15.And detecting by an unaided eye is installed in the surface of the metal slide fastener tooth 11 on the zipper strip 15, and results verification is at metal coating crackle, crack not taking place.
Embodiment 3
As embodiment 3, describe about the situation of making socket as the slide fastener component parts.
The socket of present embodiment 3 has: with the article body portion of Zn based alloy as the metal mother metal; Metal coating with the surface that is configured in hardware body portion.Under this situation, article body portion has: the metallic object that is made up of Zn based alloy; Base coated film with the copper that forms on the surface of this metallic object.In addition, metal coating is that the amount of 65wt% and zinc is that the copper of 35wt% and the alloy of zinc constitute by the amount of copper.
In order to make the socket of present embodiment 3, at first, form the metallic object that socket with reservation shape is used through zinc being carried out die casting.Then,, form the base coated film of copper on the surface of metallic object through resulting metallic object is carried out the electrolysis plating by predetermined condition, thus the article body portion that produces socket.
Then, the article body portion of the socket doing to make is undertaken handling based on the plating of electrolysis plating by predetermined condition, form the metal coating of copper-Zn based alloy on the surface of article body portion.Afterwards, the socket that is formed with metal coating is heat-treated (recrystallizing processing).In this heat treatment, in the pressurization atmosphere of 0.6MPa by 320 ℃ of heating of socket being carried out 1 hour.
Then, through the socket after the heat treatment being impregnated in the strong alkali solution that contains NaOH and sodium chlorite, carry out metal coating is given the melanism processing of black.And then the milled processed through the socket of having implemented the melanism processing being carried out undertaken by tumbling mill is finish-machined to old brass with the tone that ends sign indicating number down, then this socket is carried out colourless application processing.
Afterwards, the socket of having been implemented colourless application is riveted processing so that this socket to be installed on this seat.Then, detecting by an unaided eye is installed in the surface of the socket on the zipper strip, results verification to: socket integral body demonstrates uniform color tone, and at metal coating crackle, crack does not take place.
Embodiment 4
As embodiment 4, describe about the situation of making the pull head main body of pull head 14 usefulness as the slide fastener component parts.The pull head main body of present embodiment 4 has the article body portion and the metal coating that be configured in the surface of article body portion of Solder for Al-Cu Joint Welding-Si system alloy as the metal mother metal.
Under this situation, article body portion has: the metallic object that is made up of Solder for Al-Cu Joint Welding-Si system alloy; First base coated film of the zinc that forms on the surface of metallic object; Second base coated film with the copper that forms on the surface of first base coated film.In addition, metal coating is that the amount of 65wt% and zinc is that the copper of 35wt% and the alloy of zinc constitute by the amount of copper.
In order to make the pull head main body of present embodiment 4, at first,, Solder for Al-Cu Joint Welding-Si system alloy forms metallic object with reservation shape through being carried out die casting.Then; To resulting metallic object, carry out electroless plating by predetermined condition and apply, form first base coated film of zinc on the surface of metallic object; And then; Carry out the electrolysis plating by predetermined condition, form second base coated film of copper on the surface of first base coated film, thus the article body portion that produces the pull head main body.
Then, the article body portion of the pull head main body produced is undertaken handling based on the plating of electrolysis plating by predetermined condition, form the metal coating of copper-Zn based alloy on the surface of article body portion.Afterwards, the pull head main body that is formed with metal coating is heat-treated (recrystallizing processing).In this heat treatment, in a vacuum by 330 ℃ of heating of the pull head main body being carried out 1 hour.
Then, through the pull head main body after the heat treatment impregnated in the strong alkali solution that contains NaOH and sodium chlorite, to carry out metal coating is given the melanism processing of black.And then the milled processed through the pull head main body of having implemented the melanism processing being carried out undertaken by tumbling mill is finish-machined to old brass with the tone that ends sign indicating number down, then this pull head main body is carried out colourless application processing.
Afterwards, climb installation portion, and then this is drawn climb installation portion and carry out bending machining, be installed on the pull head main body thereby will draw to climb through the drawing of pull head main body that will draw gaff firmly to be implemented colourless application.Then, detect by an unaided eye and the surface of drawing the pull head main body of climbing be installed through bending machining, results verification to: the pull head main body integrally presents uniform color tone, and at metal coating crackle, crack does not take place.
Description of reference numerals
1 slide fastener component parts
2 article body portions
3 metal coatings
4 diffusion layers
10 slide fasteners
11 metal slide fastener tooths
End sign indicating number 12 times
The 12a main part
The 12b arm
End sign indicating number on 13
14 pull heads
15 zipper strips
15a core rope portion

Claims (18)

1. slide fastener component parts; It is to be formed with metal coating (3) on the surface of metal article body portion (2), after the formation of said metal coating (3), at least a portion of said article body portion (2) to be carried out the slide fastener component parts (1) that the slide fastener of bending machining is used; This slide fastener component parts is characterised in that
Through before said bending machining, heat-treating,, said metal coating (3) recrystallizes the recrystallization texture that forms thereby having at least a portion of crystalline texture.
2. slide fastener component parts according to claim 1, wherein,
Said recrystallization texture is through forming as follows; The surface of said article body portion (2) has formed said metal coating (3) with columnar crystal structure after, this metal coating (3) is carried out said heat treatment and at least a portion of said columnar crystal structure is recrystallized.
3. slide fastener component parts according to claim 1, wherein,
Said article body portion (2) is made up of copper or copper-Zn based alloy.
4. slide fastener component parts according to claim 3, wherein,
Said article body portion (2) contains the copper that 75wt% is above and 100wt% is following at least and 0wt% is above and the zinc below the 25wt%.
5. slide fastener component parts according to claim 1, wherein,
Said article body portion (2) has: the metallic object that is made up of zinc or Zn based alloy; The base coated film that constitutes with the surface that is configured in said metallic object, by copper.
6. slide fastener component parts according to claim 1, wherein,
Said article body portion (2) has: the metallic object that is made up of aluminum series alloy; First base coated film that is configured in the surface of said metallic object, constitutes by zinc; Second base coated film that constitutes with the surface that is configured in said first base coated film, by copper.
7. slide fastener component parts according to claim 1, wherein,
Said metal coating (3) by be selected from copper-Zn based alloy, copper-Xi be alloy, and tin-nickel be that at least a kind of alloy in the group of alloy constitutes.
8. slide fastener component parts according to claim 1, wherein,
Said metal coating (3) with said recrystallization texture has the above and thickness below the 10 μ m of 1 μ m.
9. slide fastener component parts according to claim 1, wherein,
Said metal coating (3) with said recrystallization texture has the above and Vickers hardness below the Hv100 of Hv50.
10. slide fastener component parts according to claim 1, wherein,
Has the contained metal diffusion of said metal coating (3) and the diffusion layer (4) that forms in the skin section of said metal coating (3) side of said article body portion (2).
11. slide fastener component parts according to claim 1, wherein,
Said slide fastener component parts (1) is for being selected from slide fastener coupling element (11), ending sign indicating number (12,13), separating at least a kind of parts in the group of inlay and pull head (14).
12. a slide fastener is characterized in that,
Use this slide fastener component parts to carrying out bending machining according to any described slide fastener component parts in the claim 1～11.
13. the manufacturing approach of a slide fastener component parts; Be that surface configuration in metal article body portion (2) has metal coating (3), after the formation of said metal coating (3), at least a portion of said article body portion (2) carried out the manufacturing approach of the slide fastener component parts that the slide fastener of bending machining uses; The manufacturing approach of this slide fastener component parts is characterised in that, comprising:
Form said metal coating (3) on the surface of said article body portion (2); And
Before said bending machining, carry out said metal coating (3) is heated to the heat treatment that recrystallizes more than the temperature, thereby at least a portion that forms the crystalline texture of said metal coating (3) recrystallizes the recrystallization texture that forms.
14. the manufacturing approach of slide fastener component parts according to claim 13 wherein, comprising:
The said metal coating (3) that will be configured in the surface of said article body portion (2) forms columnar crystal structure; And
Through being carried out said heat treatment, the said metal coating (3) with said columnar crystal structure forms said recrystallization texture.
15. the manufacturing approach of slide fastener component parts according to claim 13 wherein, comprising:
Constitute said metal coating (3) by copper-Zn based alloy; And
In said heat treatment, be heated to said metal coating (3) more than 300 ℃ and below 400 ℃.
16. the manufacturing approach of slide fastener component parts according to claim 13 wherein, comprising:
By copper-Xi is that alloy constitutes said metal coating (3); And
In said heat treatment, be heated to said metal coating (3) more than 400 ℃ and below 500 ℃.
17. the manufacturing approach of slide fastener component parts according to claim 13 wherein, comprising:
By tin-nickel is that alloy constitutes said metal coating (3); And
In said heat treatment, be heated to said metal coating (3) more than 500 ℃ and below 600 ℃.
18. the manufacturing approach of slide fastener component parts according to claim 13 wherein, comprising:
Through said heat treatment, the above Vickers hardness of Hv120 that said metal coating (3) is had becomes more than the Hv50 and below the Hv100.
CN200980162995.9A 2009-12-25 2009-12-25 Zipper component and slide zipper Active CN102665473B (en)

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WO2011077567A1 (en) 2011-06-30
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KR20120073374A (en) 2012-07-04
US20120297583A1 (en) 2012-11-29
HK1171345A1 (en) 2013-03-28
JPWO2011077567A1 (en) 2013-05-02
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JP5490144B2 (en) 2014-05-14
EP2517593A4 (en) 2013-11-13

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