CN104613129A - Vanadinizing chain pin shaft and manufacturing method thereof - Google Patents
Vanadinizing chain pin shaft and manufacturing method thereof Download PDFInfo
- Publication number
- CN104613129A CN104613129A CN201410819183.XA CN201410819183A CN104613129A CN 104613129 A CN104613129 A CN 104613129A CN 201410819183 A CN201410819183 A CN 201410819183A CN 104613129 A CN104613129 A CN 104613129A
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- China
- Prior art keywords
- bearing pin
- vanadinizing
- chain hinge
- hinge pin
- mentioned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a vanadinizing chain pin shaft which is resistant to heating, abrasion, oxidation and corrosion and a manufacturing method thereof. The chain pin shaft is a GCr15 pin shaft, and the surface layer of the GCr15 pin shaft is a diffusion metallizing layer. The vanadinizing chain pin shaft has the advantages that GCr15 materials are used for manufacturing the pin shaft, and diffusion metallizing is used for conducting chemical heat treatment on the GCr15 pin shaft, so that the heat resistance, the abrasion resistance, the oxidation resistance and the corrosion resistance of the chain pin shaft are improved by multiple times, and the service life is prolonged by multiple times.
Description
Technical field
The present invention relates to one and there is heat-resisting, wear-resisting, anti-oxidant, corrosion resistant vanadinizing chain hinge pin and making method, belong to chain hinge pin and manufacture field.
Background technique
CN101644308A, title " a kind of chain hinge pin and manufacture method thereof ", successively through cutting print, punching, cut-out, 2/4 take all of, 3/4 take all of, 4/4 take all of and full circle processing, and the jointed chain hinge pin of band obtaining rolling after enhancement process, surface finishing and cleaning, this bearing pin is hollow structure, and seam crossing has at least one oil permeable hole.Its deficiency: heat-resisting, wear-resisting, anti-oxidant, corrosion-resistant.
Summary of the invention
Purpose of design: avoid the deficiency in background technique, if one has heat-resisting, wear-resisting, anti-oxidant, corrosion resistant vanadinizing chain hinge pin and making method.
Design proposal: in order to realize above-mentioned purpose of design.Chain hinge pin workpiece surface adopts the technological design of diffusion metallizing thermo-chemical treatment, is technical characteristics of the present invention.The object of such design is: infiltrated by metallic atom in the surface layer of steel, and it can be the surface layer alloyage making bearing pin, makes bearing pin workpiece surface have the characteristic of some alloyed steel, special steel, as heat-resisting, wear-resisting, anti-oxidant, corrosion-resistant etc.The present invention adopts vanadinizing to carry out chemical heat treatment process in chain hinge pin manufacture process, vanadium metal atom is made to infiltrate in bearing pin metal workpiece top layer, be placed on containing infiltrating in the penetration enhancer of vanadium metal element by bearing pin, be heated to uniform temperature, after keeping appropriate time, the active atomic of the infiltration metallic element that penetration enhancer thermolysis produces just is adsorbed to bearing pin workpiece surface, and diffuses into bearing pin workpiece surface, thus changes chemical composition, the structure and properties of bearing pin workpiece surface.
Technological scheme 1: a kind of vanadinizing chain hinge pin, chain hinge pin is GCr15 bearing pin and GCr15 bearing pin surface layer is diffusion metallizing layer.
Technological scheme 2: a kind of making method of vanadinizing chain hinge pin, its feature: (1) GCr15 material makes bearing pin workpiece blank, the bearing pin workpiece then cutting required; (2) centreless grinding process equipment is adopted to process the bearing pin workpiece in above-mentioned (1); (3) adopt diffusion metallizing chemical heat treatment process, diffusion metallizing thermo-chemical treatment is carried out to the bearing pin in above-mentioned (2); (4) Q-tempering technique carries out Quench and temper process to the bearing pin in above-mentioned (3), and its quenching temperature is 840-850 degree, and tempering temperature is 180-190 degree; (5) adopt centreless grinding equipment to carry out super grinding to bearing pin in above-mentioned (4), the required precision after its super grinding reaches 2-4 micron; (6) centrifugal polishing machine equipment is adopted to carry out polishing to bearing pin in above-mentioned (5).
The present invention is compared with background technique, one is adopt GCr15 material to make bearing pin and adopt diffusion metallizing to carry out thermo-chemical treatment to GCr15 bearing pin, make chain hinge pin have heat-resisting, wear-resisting, anti-oxidant, the corrosion-resistant several times that obtain to improve, the working life of bearing pin is multiplied; Two is the shear strengths strengthening bearing pin; By gear piece aperture extruding resiliently deformable, improve aperture fatigue strength, reduce the wearing and tearing in bearing pin and gear piece aperture, improve whole chain working life and static strength; Three is that bearing pin adopts GCr15 material surface diffusion metallizing enhancement process, tensile strength is generally 6.0-7.0KN, can meet the demand of high speed variable load many impacts motor, gear piece aperture extruding resiliently deformable completely, the friction pair formed with bearing pin improves fatigue strength, improves polishing machine.
Accompanying drawing explanation
Fig. 1 is the end-face structure schematic diagram of chain hinge pin.
Embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of vanadinizing chain hinge pin, chain hinge pin is GCr15 bearing pin 1 and GCr15 bearing pin surface layer is diffusion metallizing layer 2.Described bearing pin tensile strength is 6.0-7.0KN.
Embodiment 2: on the basis of embodiment 1, and described diffusion metallizing layer 2 is Vanadized layer, and this Vanadized layer has highly reliable heat-resisting, wear-resisting, anti-oxidant, rotproofness, can adapt to different surrounding mediums respectively, makes obtain the raising of several times the working life of chain hinge pin.
Embodiment 3: on the basis of above-described embodiment.A making method for vanadinizing chain hinge pin, (1) GCr15 material makes bearing pin workpiece blank, the bearing pin workpiece then cutting required; (2) centreless grinding process equipment is adopted to process the bearing pin workpiece in above-mentioned (1); (3) adopt diffusion metallizing chemical heat treatment process, diffusion metallizing thermo-chemical treatment is carried out to the bearing pin in above-mentioned (2); (4) Q-tempering technique carries out Quench and temper process to the bearing pin in above-mentioned (3), and its quenching temperature is 840-850 degree, and tempering temperature is 180-190 degree; (5) adopt centreless grinding equipment to carry out super grinding to bearing pin in above-mentioned (4), the required precision after its super grinding reaches 2-4 micron; (6) centrifugal polishing machine equipment is adopted to carry out polishing to bearing pin in above-mentioned (5).Described vanadinizing temperature 1000 ~ 1100 DEG C, holding time is generally 10 hours.
It is to be understood that: although above-described embodiment to be contrasted detailed text description to mentality of designing of the present invention; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of the restriction to mentality of designing of the present invention; any do not exceed mentality of designing of the present invention combination, increase or amendment, all fall within the scope of protection of the present invention.
Claims (6)
1. a vanadinizing chain hinge pin, is characterized in that: chain hinge pin is GCr15 bearing pin and GCr15 bearing pin surface layer is diffusion metallizing layer.
2. vanadinizing chain hinge pin according to claim 1, is characterized in that: described diffusion metallizing layer is Vanadized layer.
3. vanadinizing chain hinge pin according to claim 1, is characterized in that: described bearing pin tensile strength is 6.0-7.0KN.
4. a making method for vanadinizing chain hinge pin, its feature:
(1) GCr15 material makes bearing pin workpiece blank, the bearing pin workpiece then cutting required;
(2) centreless grinding process equipment is adopted to process the bearing pin workpiece in above-mentioned (1);
(3) adopt diffusion metallizing chemical heat treatment process, diffusion metallizing thermo-chemical treatment is carried out to the bearing pin in above-mentioned (2);
(4) Q-tempering technique carries out Quench and temper process to the bearing pin in above-mentioned (3), and its quenching temperature is 840-850 degree, and tempering temperature is 180-190 degree;
(5) adopt centreless grinding equipment to carry out super grinding to bearing pin in above-mentioned (4), the required precision after its super grinding reaches 2-4 micron;
(6) centrifugal polishing machine equipment is adopted to carry out polishing to bearing pin in above-mentioned (5).
5. the making method of vanadinizing chain hinge pin according to claim 4, is characterized in that: described diffusion metallizing refers to vanadinizing.
6. the making method of vanadinizing chain hinge pin according to claim 4, is characterized in that: described vanadinizing temperature 1000 ~ 1100 DEG C, holding time is generally 10 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819183.XA CN104613129A (en) | 2014-12-25 | 2014-12-25 | Vanadinizing chain pin shaft and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410819183.XA CN104613129A (en) | 2014-12-25 | 2014-12-25 | Vanadinizing chain pin shaft and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104613129A true CN104613129A (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410819183.XA Pending CN104613129A (en) | 2014-12-25 | 2014-12-25 | Vanadinizing chain pin shaft and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613129A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393302A (en) * | 2001-06-29 | 2003-01-29 | 宣碧华 | Method for manufacturing chain |
| EP1293704A2 (en) * | 2001-08-23 | 2003-03-19 | Borg Warner Morse TEC Japan, K.K. | Link plate for a silent chain |
| CN202418429U (en) * | 2012-01-05 | 2012-09-05 | 杭州临安力达机械有限责任公司 | Wear-resistant roller sleeve pin |
| CN103331583A (en) * | 2013-07-12 | 2013-10-02 | 徐州徐工铁路装备有限公司 | Caterpillar track hinge pin machining method |
| CN103899708A (en) * | 2014-03-28 | 2014-07-02 | 杭州东华链条集团有限公司 | Chain applicable to low temperature environments and production method thereof |
| CN204692464U (en) * | 2014-12-25 | 2015-10-07 | 杭州持正科技有限公司 | Vanadinizing chain hinge pin |
-
2014
- 2014-12-25 CN CN201410819183.XA patent/CN104613129A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1393302A (en) * | 2001-06-29 | 2003-01-29 | 宣碧华 | Method for manufacturing chain |
| EP1293704A2 (en) * | 2001-08-23 | 2003-03-19 | Borg Warner Morse TEC Japan, K.K. | Link plate for a silent chain |
| CN202418429U (en) * | 2012-01-05 | 2012-09-05 | 杭州临安力达机械有限责任公司 | Wear-resistant roller sleeve pin |
| CN103331583A (en) * | 2013-07-12 | 2013-10-02 | 徐州徐工铁路装备有限公司 | Caterpillar track hinge pin machining method |
| CN103899708A (en) * | 2014-03-28 | 2014-07-02 | 杭州东华链条集团有限公司 | Chain applicable to low temperature environments and production method thereof |
| CN204692464U (en) * | 2014-12-25 | 2015-10-07 | 杭州持正科技有限公司 | Vanadinizing chain hinge pin |
Non-Patent Citations (1)
| Title |
|---|
| 李健等: "《盐浴渗钒对GCr15钢咬合性和耐磨性的影响》", 《金属热处理》, no. 7, 31 July 1987 (1987-07-31), pages 20 - 23 * |
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Application publication date: 20150513 |
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| RJ01 | Rejection of invention patent application after publication |