CN106475502B - A kind of jag draws the manufacturing method of cap blank - Google Patents
A kind of jag draws the manufacturing method of cap blank Download PDFInfo
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- CN106475502B CN106475502B CN201610861405.3A CN201610861405A CN106475502B CN 106475502 B CN106475502 B CN 106475502B CN 201610861405 A CN201610861405 A CN 201610861405A CN 106475502 B CN106475502 B CN 106475502B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/008—Incremental forging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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Abstract
The invention discloses the manufacturing methods that a kind of jag draws cap blank, it is in cylinder that jag, which draws the main body of cap blank, the centre bore that the cylinder has median pore radius bigger, there are several intermediate jag muscle bloated on the surface of cylinder, the lower part of the cylinder does not have jag muscle, and the aperture of lower part is small compared with the aperture above it, and jag draws the upper end of cap blank to have T connector, T connector is rounded, has step below T connector.The present invention carries out the complete molding that jag draws cap blank in cold header, does not have to secondary operation again.Present invention reduces the losses of material head, material tail, reduce the lathe surplus of the large area such as inner hole, so that raw material loss reduces by 50%, to reduce costs；Using the continuously shaped production of multi-station cold-heading, speed of production be can reach 60PCS/ minutes, and average daily production 21000PCS, production efficiency promotes 7-8 times than originally, be improved efficiency, and greatly reduce the cost of investment of human and material resources.
Description
Technical field
The present invention relates to a kind of multi-station cold-heading technical fields, and in particular to a kind of multistation of jag drawing cap blank is cold
Upsetting one-pass molding method field of manufacturing.
Background technique
Jag draws cap to be primarily useful for plastic parts, the steel and iron parts of relatively thin range or the lower position for installing strength of needs.Mesh
Before be widely used in that automobile, aviation, railway, refrigeration, elevator, switch, instrument, furniture, decoration etc. be electromechanical and light industrial goods
Fit on has and rivets securely feature high-efficient, easy to use.
The country mostly uses straight bar to produce this product manufacturing at present, the processing method that inner hole palpus vehicle is repaired, four in shape
Muscle needs milling machine to process.It is produced using straight bar or hot upsetting, multistation quantity-produced requirement is not achieved, inner hole needs large area
Finishing processing, four muscle in shape need milling machine to process, and punching machine is needed to expand jag, and production not only wastes material,
And process is various, processing is complicated, high production cost, low efficiency, and quality cannot also guarantee accordingly, process equipment and
Every comprehensive performance of product is unable to satisfy the requirement of domestic and international market.
Summary of the invention
It is cold using multistation the technical problem to be solved in the present invention is to provide the manufacturing method that a kind of jag draws cap blank
Upsetting one-shaping technique reduces production cost, improves product quality and production efficiency to save raw material.
To solve the above problems, the technical solution of the present invention is as follows:
A kind of jag draws the manufacturing method of cap blank, is first annealed using steel billet materials, then carries out at phosphate surface
Reason, essence take out sizing processing, and the molding procedure that jag draws cap blank is finally carried out in cold header, specifically includes following step
It is rapid:
(1), the disk circle material after essence to be taken out to sizing is by automatic shearing in feed wheel feeding cold header at single jag
Draw cap blank raw material part；
(2), the No.1 mold mouth that jag drawing cap blank raw material part is moved on to cold header, by rushing for No.1 die nose
Tool heads into jag drawing cap blank raw material part in No.1 female die of die, manufactures through the cold-heading in No.1 mold, makes No.1 mould
Manufactured goods front end forms T connector, and first positioning hole is extruded on T connector, while reducing entire length, makes being made for No.1 mould
Product entire length draws cap blank short than jag, and the T connector of the manufactured goods of No.1 mould is rounded, and diameter draws cap blank than jag
The T connector diameter of part is small, and thickness draws the T connector thickness of cap blank big than jag；
(3), the manufactured goods of No.1 mould are moved on into No. two mold mouths, has being made No.1 mould by No. two rushing for die nose
Product head into No. two female die of die, manufacture through the cold-heading in No. two molds, and the manufactured goods outer surface upsetting of No. two moulds is made to go out and open
Fork draws the consistent axial ribs outwardly protruded of jag muscle quantity of cap blank, the axial ribs width of the manufactured goods of No. two moulds and opens
Fork draws the equivalent width of the jag muscle on cap blank surface, and the radius and jag of the axial ribs draw cap blank not have muscle
The radius of lower part is consistent, and the axial ribs extend to the lower part of the manufactured goods of No. two moulds from below T connector but do not extend to it
Bottom, also, go out the first counterbore in the manufactured goods front end face upsetting of No. two moulds, the aperture of the first counterbore and jag are drawn in cap blank
The minimum-value aperture of the hole section corresponding with jag muscle in heart hole is consistent, also, thickens thickness and the elongation of the T connector of No.1 molded product
Entire length, but the manufactured goods entire length of No. two moulds draws cap blank short than jag；
(4), the manufactured goods of No. two moulds are moved on into No. three mold mouths, tool being made No. two moulds is rushed by No. three die noses
Product head into No. three female die of die, manufacture through the cold-heading in No. three molds, make the manufactured goods of No. three moulds in the base of the first counterbore
On plinth, continue upsetting downwards and go out the second counterbore, the diameter of the second counterbore is smaller than the diameter of the first counterbore, and goes out second in rear end upsetting and determine
Position hole, and the outer diameter for the lower part for making the manufactured goods of No. three moulds not have axial ribs is consistent with the outer diameter of the axial ribs, makes to be arranged
Surface at axial ribs switchs to groove type, also, elongates entire length, and the manufactured goods entire length of No. three moulds and jag is made to draw cap
The length of blank is consistent, and the manufactured goods of No. three moulds do not have the length of the lower part of axial ribs and jag draws cap blank not have
The lower length of jag muscle is consistent；
(5), the manufactured goods of No. three moulds are moved on into No. four mold mouths, tool being made No. three moulds is rushed by No. four die noses
Product head into No. four female die of die, manufacture through the cold-heading in No. four molds, make the second counterbore and the of the manufactured goods of No. three moulds
By logical iron filings between two location holes, the second counterbore and second location hole length and jag after perforation draw cap blank not have and open
The length for pitching the lower part of muscle is consistent with internal diameter, forms the lower part without jag muscle that jag draws cap blank, No. four moulds are made
Manufactured goods；
(6), the manufactured goods of No. four moulds are moved on into No. five mold mouths, tool being made No. four moulds is rushed by No. five die noses
Product head into No. five female die of die, manufacture through the cold-heading in No. five molds, are counter-bored the top of the first counterbore section, and five
The manufactured goods of number mould form two knotholes in the first counterbore section, and and hole below constitute the centre bore of the manufactured goods of No. five moulds,
The position of the connecting part of two knotholes and jag draw the position at the maximum gauge of cap blank jag muscle bulging corresponding, and by two
The T connector that number mould is formed is depressed into draws consistency of thickness, the diameter of T connector of cap blank consistent with jag, forms jag and draws cap hair
The T connector of blank, and form the step below jag drawing cap blank T connector；
(7), the manufactured goods of No. five moulds are moved on into No. six mold mouths, tool being made No. five moulds is rushed by No. six die noses
Product head into No. six female die of die, manufacture through the cold-heading in No. five molds, strut the centre bore of the manufactured goods of No. five moulds, complete
Jag draws the work of cap blank jag, formed jag draw the intermediate jag muscle bloated of cap blank and median pore radius it is bigger in
Heart hole is made final jag and draws cap blank；Being formed by jag draws the main body of cap blank in cylinder, during the cylinder has
Between the bigger centre bore in aperture, there are several intermediate jag muscle bloated on the surface of cylinder, and the lower part of the cylinder does not have jag
The aperture of muscle, lower part is small compared with the aperture above it, and jag draws the upper end of cap blank to have T connector, and T connector is rounded, under T connector
There is step in side.
Beneficial effects of the present invention:
(1), straight bar and fracture are replaced using disk circle material, achievable multi-station cold-heading quantity-produced requirement reduces
Material head, the loss for expecting tail, while using after multi-station cold-heading one-pass molding, reduce the lathe surplus of the large area such as inner hole, makes
Obtaining raw material loss reduces by 50%, to reduce costs；
(2), using the continuously shaped production of multi-station cold-heading, speed of production can reach 60PCS/ minutes, average daily production
21000PCS, production efficiency promote 7-8 times than originally, improve production efficiency.
(3), it is produced using multistation cold-forge forming, reduces process, the jag of this technique production draws cap blanking inner hole complete
Molding does not have to secondary operation again, does not have to again secondary drilling, milling machine groove milling, punching machine expansion jag, reduces cost, the road Yuan Xu 5-6 work
Sequence, existing one-pass molding is completed, and greatly reduces the cost of investment of human and material resources, guarantees inner hole quality, and riveting is secured, riveting
Pulling force is high.
Detailed description of the invention
Fig. 1 is multi-station cold-heading one-shot forming production technology flow chart of the invention.
Fig. 2 is the bottom view of Fig. 1.
Specific embodiment
Referring to attached drawing, jag provided by the present invention draws the manufacturing method of cap blank, is first annealed using steel billet materials, so
Phosphate surface processing is carried out afterwards, and essence takes out sizing processing, and the molding that jag draws cap blank is finally carried out in cold header
Process, specifically includes the following steps:
(1), the disk circle material after essence to be taken out to sizing is by automatic shearing in feed wheel feeding cold header at single jag
Draw cap blank raw material part 100；
(2), jag drawing cap blank raw material part is automatically shifted to the No.1 mold mouth of cold header with mechanical clamp, by one
The tool that rushes of number die nose heads into jag drawing cap blank raw material part 100 in No.1 female die of die, since there is mandril in cavity plate rear end,
There is a step in the internal diameter front end of cavity plate, and punching tool front end has the step of protrusion to make No.1 in the case where punching tool applies stressed extruding again
1 front end of manufactured goods of mould forms T connector 11, and first positioning hole 12 is extruded on T connector 11, while reducing entire length, makes
1 entire length of manufactured goods of No.1 mould draws cap blank 6 short than jag, and the T connector 11 of the manufactured goods 1 of No.1 mould is rounded,
Diameter draws 52 diameter of T connector of cap blank 6 small than jag, and thickness draws 52 thickness of T connector of cap blank 6 big than jag.
(3), the manufactured goods 1 of No.1 mould are automatically shifted to No. two mold mouths with mechanical clamp, by rushing for No. two die noses
Tool heads into the manufactured goods 1 of No.1 mould in No. two female die of die, and since the interior pars intramuralis of cavity plate has four muscle, the front end for rushing tool has
The cone of protrusion makes the 2 outer surface upsetting of manufactured goods of No. two moulds go out four axial directions outwardly protruded in the case where punching has and applies pressure punching press
Muscle 21,21 width of axial ribs and jag of the manufactured goods 2 of No. two moulds draw the equivalent width of the jag muscle 61 on cap blank surface, institute
The radius and jag for stating axial ribs 21 draw cap blank not have, and the radius of lower part 42 of muscle is consistent, and the axial ribs 21 are from T-type
The lower section of head extends to the lower part of the manufactured goods of No. two moulds but does not extend to its bottom, also, in the manufactured goods front end of No. two moulds
Face upsetting goes out the first counterbore 22, and the aperture of the first counterbore 22 and jag draw the hole section corresponding with jag muscle 61 of cap blank centre bore 62
Minimum-value aperture it is consistent, also, thicken the thickness of T connector 11 and elongate entire length, but 1 entire length of manufactured goods of No. two moulds
Draw cap blank short than jag, drawing reference numeral 23 is the T connector of the manufactured goods 2 of No. two moulds.
(4), the manufactured goods 2 of No. two moulds are automatically shifted to No. three mold mouths using mechanical clamp, by No. three die noses
Punching tool heads into the manufactured goods of No. two moulds in No. three female die of die, and since there is the cone of protrusion in punching tool front end, there is rear end in cavity plate
There are the step of protrusion in mandril, the front end of mandril, in the case where punching tool applies stressed extruding, keep the manufactured goods 3 of No. three moulds heavy first
On the basis of hole 22, continuing upsetting downwards and go out the second counterbore 31, the diameter of the second counterbore 31 is smaller than the diameter of the first counterbore 22, and
Rear end upsetting goes out second location hole 32, and makes outer diameter and the axial direction of the manufactured goods 3 of No. three moulds without the lower part 33 of axial ribs
The outer diameter of muscle 21 is consistent, so that the surface being arranged at axial ribs is switched to groove type, drawing reference numeral 34 is the groove on surface, also, is drawn
Long entire length makes 3 entire length of manufactured goods of No. three moulds and jag draw the length of cap blank 6 consistent, and No. three moulds are made
Product 3 do not have the length of the lower part 33 of axial ribs and jag draws cap blank consistent without 42 length of lower part of jag muscle 61.
(5), the manufactured goods 3 of No. three moulds are automatically shifted to No. four mold mouths using mechanical clamp, by No. four die noses
Punching tool heads into the manufactured goods of No. three moulds in No. four female die of die, since there is the cone of protrusion in punching tool front end, has in punching and applies pressure
Under the extruding of power, make by logical iron filings 41 between the second counterbore 31 of the manufactured goods of No. three moulds and second location hole 32, after perforation
Second counterbore 31 and 32 length of second location hole and jag draw cap blank 6 without the length and internal diameter of the lower part of jag muscle 61
Unanimously, the lower part 42 without jag muscle 61 that jag draws cap blank 6 is formed, the manufactured goods 4 of No. four moulds are made.
(6), the manufactured goods 4 of No. four moulds are automatically shifted to No. five mold mouths using mechanical clamp, by No. five die noses
Punching tool heads into the manufactured goods 4 of No. four moulds in No. five female die of die, and due to the different step of cavity plate inner diameter size, punching tool front end has
The step of protrusion is counter-bored the top of the first counterbore section, the manufactured goods of No. five moulds in the case where punching tool applies stressed extruding
5 form two knotholes, and the centre bore 54 with the manufactured goods 5 of hole No. five moulds of composition below in the first counterbore section, two knotholes
The position of connecting part 51 and jag draw the position at the maximum gauge of cap blank jag muscle bulging corresponding, and by No. two mould shapes
At T connector 23 be depressed into jag draw consistency of thickness, the diameter of T connector of cap blank it is consistent, formed jag draw cap blank
T connector 52, and formed jag draw cap blank T connector below step 53.
(7), the manufactured goods 5 of No. five moulds are automatically shifted to No. six mold mouths using mechanical clamp, by No. six die noses
Punching tool heads into the manufactured goods 5 of No. five moulds in No. six female die of die, and the front end for rushing tool has been cut into four and has had hole, mold rear end
Mandril is made into a long cone, and in the case where punching tool applies stressed extruding, punching tool drives the manufactured goods 5 of No. five moulds to move down, and makes
Pushing rod squeezes into preshoot tool, and punching tool four expands the centre bore 54 for strutting the manufactured goods 5 of No. five moulds, completes jag and draws cap blank
Jag work forms the intermediate jag muscle 61 bloated of jag drawing cap blank and the centre bore 62 that median pore radius is bigger, is made
Final jag draws cap blank 6；Being formed by jag draws the main body 6 of cap blank in cylinder, and the cylinder has centre bore 62,
The mid diameter of the hole section corresponding with jag muscle 61 of centre bore 62 is bigger, and there are several intermediate jag muscle bloated on the surface of cylinder
61, the lower part 42 of the cylinder does not have jag muscle 61, and the aperture of lower part 42 is small compared with the aperture above it, and jag draws cap blank
Upper end have T connector 52, T connector 52 is rounded, has step 53 below T connector.
Claims (1)
1. a kind of jag draws the manufacturing method of cap blank, first annealed using steel billet materials, then carry out phosphate surface processing,
Essence takes out sizing processing, and the molding procedure that jag draws cap blank is finally carried out in cold header, specifically includes the following steps:
(1), the disk circle material after essence to be taken out to sizing draws cap at single jag by automatic shearing in feed wheel feeding cold header
Blank raw material part；
(2), the No.1 mold mouth that jag drawing cap blank raw material part is moved on to cold header, will by the tool that rushes of No.1 die nose
Jag draws cap blank raw material part to head into No.1 female die of die, manufactures through the cold-heading in No.1 mold, makes being made for No.1 mould
Product front end forms T connector, and first positioning hole is extruded on T connector, while reducing entire length, keeps the manufactured goods of No.1 mould whole
Body length draws cap blank short than jag, and the T connector of the manufactured goods of No.1 mould is rounded, and diameter draws cap blank than jag
T connector diameter is small, and thickness draws the T connector thickness of cap blank big than jag；
(3), the manufactured goods of No.1 mould are moved on into No. two mold mouths, is had by No. two rushing for die nose by the manufactured goods top of No.1 mould
Enter in No. two female die of die, manufactured through the cold-heading in No. two molds, goes out the manufactured goods outer surface upsetting of No. two moulds and drawn with jag
The consistent axial ribs outwardly protruded of jag muscle quantity of cap blank, the axial ribs width and jag of the manufactured goods of No. two moulds are drawn
The equivalent width of the jag muscle on cap blank surface, the radius and jag of the axial ribs draw cap blank without the lower part of muscle
Radius it is consistent, the axial ribs extend to the lower part of the manufactured goods of No. two moulds from below T connector but do not extend to its bottom,
Also, go out the first counterbore in the manufactured goods front end face upsetting of No. two moulds, the aperture of the first counterbore and jag draw cap blank centre bore
Hole section corresponding with jag muscle minimum-value aperture it is consistent, also, thicken the thickness of the T connector of No.1 molded product and elongate entirety
Length, but the manufactured goods entire length of No. two moulds draws cap blank short than jag；
(4), the manufactured goods of No. two moulds are moved on into No. three mold mouths, is had by No. three rushing for die nose by the manufactured goods top of No. two moulds
Enter in No. three female die of die, manufactured through the cold-heading in No. three molds, make the manufactured goods of No. three moulds on the basis of the first counterbore,
Continuing upsetting downwards and goes out the second counterbore, the diameter of the second counterbore is smaller than the diameter of the first counterbore, and upsetting goes out second location hole in rear end,
And the outer diameter for the lower part for making the manufactured goods of No. three moulds not have axial ribs is consistent with the outer diameter of the axial ribs, makes that axial ribs are arranged
The surface at place switchs to groove type, also, elongates entire length, and the manufactured goods entire length of No. three moulds and jag is made to draw cap blank
Length it is consistent, the manufactured goods of No. three moulds do not have the length of the lower part of axial ribs and jag draws cap blank not have jag muscle
Lower length it is consistent；
(5), the manufactured goods of No. three moulds are moved on into No. four mold mouths, is had by No. four rushing for die nose by the manufactured goods top of No. three moulds
Enter in No. four female die of die, manufactured through the cold-heading in No. four molds, the second counterbore and second for making the manufactured goods of No. three moulds are determined
By logical iron filings between the hole of position, the second counterbore and second location hole length and jag after perforation draw cap blank not have jag muscle
Lower part length it is consistent with internal diameter, formed jag draw cap blank the lower part without jag muscle, the system of No. four moulds is made
Finished product；
(6), the manufactured goods of No. four moulds are moved on into No. five mold mouths, is had by No. five rushing for die nose by the manufactured goods top of No. four moulds
Enter in No. five female die of die, is manufactured through the cold-heading in No. five molds, be counter-bored the top of the first counterbore section, No. five moulds
Manufactured goods form two knotholes in the first counterbore section, and and hole below constitute the centre bore of the manufactured goods of No. five moulds, two sections
The position of the connecting part in hole and jag draw the position at the maximum gauge of cap blank jag muscle bulging corresponding, and by No. two moulds
The T connector of formation is depressed into draws consistency of thickness, the diameter of T connector of cap blank consistent with jag, forms jag and draws cap blank
T connector, and formed jag draw cap blank T connector below step；
(7), the manufactured goods of No. five moulds are moved on into No. six mold mouths, is had by No. six rushing for die nose by the manufactured goods top of No. five moulds
Enter in No. six female die of die, manufactured through the cold-heading in No. six molds, strut the centre bore of the manufactured goods of No. five moulds, completes jag
The work of cap blank jag is drawn, the intermediate jag muscle bloated of jag drawing cap blank and the center that median pore radius is bigger are formed
Hole is made final jag and draws cap blank；Being formed by jag draws the main body of cap blank in cylinder, and the cylinder has centre
There are several intermediate jag muscle bloated on the bigger centre bore in aperture, the surface of cylinder, and the lower part of the cylinder does not have jag muscle,
The aperture of lower part is small compared with the aperture above it, and jag draws the upper end of cap blank to have T connector, and T connector is rounded, below T connector
There is step.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610861405.3A CN106475502B (en) | 2016-09-29 | 2016-09-29 | A kind of jag draws the manufacturing method of cap blank |
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| CN106475502B true CN106475502B (en) | 2018-12-11 |
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| CN106964748B (en) * | 2017-03-24 | 2019-04-23 | 常州永茂特种紧固件有限公司 | The processing method and its processing tool of piston rod |
| CN109013996B (en) * | 2018-09-06 | 2023-08-01 | 宁波思明汽车附件有限公司 | Cold heading molding inflating valve and molding process thereof |
| CN109092986A (en) * | 2018-10-29 | 2018-12-28 | 佛山市南海区桥亿五金电器有限公司 | A kind of processing method of T font component |
| CN110180988A (en) * | 2019-06-13 | 2019-08-30 | 广州市科镁隆五金有限公司 | A kind of lantern type rivet nut production technology |
| CN112247053B (en) * | 2020-09-22 | 2022-09-20 | 宁波华虹机械有限公司 | Production process of damper bushing blank |
| CN113857420B (en) * | 2021-08-23 | 2023-07-07 | 宁波安拓实业有限公司 | Manufacturing method of chassis system fixing rod for vehicle |
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|---|---|---|---|---|
| GB685834A (en) * | 1949-01-21 | 1953-01-14 | Patent Und Versuchs Anstalt | A process for the manufacture of high strength shaped articles |
| US3570031A (en) * | 1966-05-27 | 1971-03-16 | Garonne Ets Auriol & Cie | Die,and method of manufacturing calibrated rivets |
| CN1476945A (en) * | 2002-08-21 | 2004-02-25 | 宏达科技股份有限公司 | Tension cap forming method |
| CN102125943A (en) * | 2010-11-29 | 2011-07-20 | 宁波安拓实业有限公司 | Manufacturing process of hose coupling |
| CN102152061A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing outer sleeve blanks |
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- 2016-09-29 CN CN201610861405.3A patent/CN106475502B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685834A (en) * | 1949-01-21 | 1953-01-14 | Patent Und Versuchs Anstalt | A process for the manufacture of high strength shaped articles |
| US3570031A (en) * | 1966-05-27 | 1971-03-16 | Garonne Ets Auriol & Cie | Die,and method of manufacturing calibrated rivets |
| CN1476945A (en) * | 2002-08-21 | 2004-02-25 | 宏达科技股份有限公司 | Tension cap forming method |
| CN102125943A (en) * | 2010-11-29 | 2011-07-20 | 宁波安拓实业有限公司 | Manufacturing process of hose coupling |
| CN102152061A (en) * | 2010-11-29 | 2011-08-17 | 宁波安拓实业有限公司 | Process for manufacturing outer sleeve blanks |
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| CN106475502A (en) | 2017-03-08 |
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