CN107790726A - Manufacturing process of golf club head - Google Patents

Manufacturing process of golf club head Download PDF

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Publication number
CN107790726A
CN107790726A CN201710853544.6A CN201710853544A CN107790726A CN 107790726 A CN107790726 A CN 107790726A CN 201710853544 A CN201710853544 A CN 201710853544A CN 107790726 A CN107790726 A CN 107790726A
Authority
CN
China
Prior art keywords
sintering
club head
golf club
manufacture craft
stainless steel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710853544.6A
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Chinese (zh)
Inventor
陈长春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201710853544.6A priority Critical patent/CN107790726A/en
Publication of CN107790726A publication Critical patent/CN107790726A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B53/00Golf clubs
    • A63B53/04Heads
    • A63B53/047Heads iron-type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10Processes characterised by the sequence of their steps

Abstract

The invention discloses a manufacturing process of a golf club head, which comprises the following steps: preparing materials, namely selecting stainless steel powder with the particle size D90 being less than or equal to 22 mu m, and preparing an adhesive; mixing, namely preheating stainless steel powder, adding an adhesive after preheating, and banburying after the adhesive starts to melt; performing injection molding, namely extruding and molding the mixed material in a mold cavity; degreasing, namely removing the adhesive in the formed product through nitric acid catalytic degreasing; and sintering, namely sintering the degreased product at a high temperature. According to the invention, the metal powder is adopted for injection molding, and then degreasing and sintering are carried out to obtain a final product, so that the manufactured product has high precision, small weight tolerance and good consistency, and the post-processing efficiency is higher as long as a small amount of post-processing is carried out; the consistency of products is good, and the Golf player has better ball playing experience; the manufacturing process has low equipment investment and good economic benefit.

Description

A kind of golf club head manufacture craft
Technical field
The present invention relates to a kind of golf club head manufacture craft.
Background technology
At present, Golf balls manufacturer make Golf bulbs mainly using cast or forging molding by the way of.Casting system Make bulb, by casting, then repeatedly dewaxing, technological process length, product size precision is relatively low, and uniformity is poor, weight tolerance It is larger;It is then to utilize machine forging forming to forge bulb, and higher to material requirements, fabrication cycle is longer, and cost is higher, main suitable Manufacture for high-end ball.After casting or forging molding, post-processing cost is higher, and the homogeneity of product after processing is still It is poor;For this, invention provides the golf club head manufacture craft that a kind of efficiency high, cost are cheap, Product Precision is high and is used to solve State problem.
The content of the invention
In order to solve the above problems, the present invention provides a kind of efficiency high, the golf club head that cost is cheap, Product Precision is high Manufacture craft.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of golf club head manufacture craft, comprises the following steps:
Prepare material, from the powder of stainless steel of particle diameter D90≤22 μm, prepare bonding agent;
It is kneaded, powder of stainless steel is preheated, bonding agent is added after preheating, bonding agent carries out banburying after starting fusing;
Injection, by the material after mixing through extrusion molding in mold cavity;
Degreasing, pass through the bonding agent in product after the removing shaping of nitric acid catalysis degreasing;
Sintering, the product Jing Guo ungrease treatment is subjected to high temperature sintering.
The powder of stainless steel uses 17-4 stainless steels or 304 stainless steels or 316 stainless steels.
The powder of stainless steel is atomized using aqueous vapor or gas atomization makes.
The powder of stainless steel is 91.2 by quality accounting with bonding agent:8.8.
The bonding agent includes acetal resin, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer, stearic acid, above-mentioned Component is 88 by quality accounting:7:2:2:1.
Preheating temperature is 220-230 DEG C, duration 15min, banburying duration 15-20min during mixing, and banburying is complete After be cooled to 180-190 DEG C after by Screw Extrusion and be cut into pellet.
Mold cavity colloidal sol amount is more than Golf bulbs injection more than 1.4 times of weight during the injection, pressure during injection For 160-220mpa, speed 40-80mm/s, 85-95 DEG C of mould temperature.
Acid intake amount is 2-4g/min, degreasing time 15-18h during the degreasing.
It is sintered in vacuum in graphite furnace to carry out, 1290-1300 DEG C of sintering temperature when sintering 17-4 stainless steels, sintering 304 is not Sintering temperature is 1360-1380 DEG C when rust steel and 316 stainless steel, is incubated 2-3h under sintering temperature, temperature is 700 in sintering process Argon gas protection is passed through when more than degree.
Product is placed on the customization fixture being adapted with bulb and carried out during sintering.
The beneficial effects of the invention are as follows:The present invention obtains by using metal powder injection molding, then by degreasing, sintering Final products, the Product Precision produced is high, and weight tolerance is small, and uniformity is good, as long as doing a small amount of post-processing, post-processing efficiency is more It is high;Good product consistency, the experience that Golf player plays ball can be more preferable;The equipment investment that above-mentioned manufacture craft is related to is relatively low, has Preferable economic benefit.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples:
Fig. 1 is the schematic flow sheet of the present invention.
Embodiment
Reference picture 1, the present invention are a kind of golf club head manufacture crafts, are comprised the following steps:
Prepare material, from the powder of stainless steel of particle diameter D90≤22 μm, prepare bonding agent;
It is kneaded, powder of stainless steel is preheated, bonding agent is added after preheating, bonding agent carries out banburying after starting fusing;
Injection, by the material after mixing through extrusion molding in mold cavity;
Degreasing, pass through the bonding agent in product after the removing shaping of nitric acid catalysis degreasing;
Sintering, the product Jing Guo ungrease treatment is subjected to high temperature sintering.The present invention by using metal powder injection molding, Final products are obtained by degreasing, sintering again, the Product Precision produced is high, and weight tolerance is small, and uniformity is good, as long as doing a small amount of Post-processing, post-processing are more efficient;Good product consistency, the experience that Golf player plays ball can be more preferable;Above-mentioned manufacture craft is related to Equipment investment it is relatively low, there is preferable economic benefit.
Wherein, the powder of stainless steel uses 17-4 stainless steels or 304 stainless steels or 316 stainless steels, but is not limited to Above-mentioned stainless steel material, alloy material etc. can also be used.
The powder of stainless steel is preferably made using aqueous vapor atomization or gas atomization;The powder of stainless steel with it is Nian Jie Agent is 91.2 by quality accounting:8.8;It is common that the bonding agent includes acetal resin, high density polyethylene (HDPE), ethene-vinyl acetate Polymers, stearic acid, said components are 88 by quality accounting:7:2:2:1;Preheating temperature is 220-230 DEG C during mixing, the duration By Screw Extrusion and pellet is cut into for 15min, banburying duration 15-20min, after being cooled to 180-190 DEG C after banburying is complete; Mold cavity colloidal sol amount is more than Golf bulbs injection more than 1.4 times of weight during the injection, and pressure during injection is 160- 220mpa, speed 40-80mm/s, 85-95 DEG C of mould temperature;Acid intake amount is 2-4g/min, degreasing time 15-18h during the degreasing; It is sintered in vacuum in graphite furnace to carry out, 1290-1300 DEG C of sintering temperature when sintering 17-4 stainless steels, sinters 304 stainless steels and 316 Sintering temperature is 1360-1380 DEG C during stainless steel, is incubated 2-3h under sintering temperature, when temperature is more than 700 degree in sintering process It is passed through argon gas protection;In order to ensure bulb angle, during sintering, product, which is placed on the customization fixture being adapted with bulb, is carried out.
Embodiment 1
Prepare the model 17-4 powder of stainless steel of particle diameter D90≤22 μm, prepare binding agent, binding agent includes polyformaldehyde tree Fat, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer, stearic acid, said components are 88 by quality accounting:7:2:2:1, will After powder of stainless steel preheats 15min under the conditions of 220 DEG C, bonding agent is added, bonding agent carries out banburying, banburying after starting fusing By Screw Extrusion and pellet is cut into after 180 DEG C are cooled to after 15min;Material is molten through extrusion molding in mold cavity, injection machine Glue amount is more than Golf bulbs injection more than 1.4 times of weight, and pressure during injection is 160mpa, speed 40mm/s, mould temperature 85 ℃;With nitric acid catalysis degreasing, acid intake amount 2g/min, degreasing time 15h;The vacuum-sintering in graphite furnace, sintering 17-4 are stainless 1300 DEG C of sintering temperature during steel, are incubated 2h under sintering temperature, in sintering process temperature more than 700 degree when be passed through argon gas protection.
Embodiment two
Prepare the powder of stainless steel of model 304 of particle diameter D90≤22 μm, prepare binding agent, binding agent includes polyformaldehyde tree Fat, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer, stearic acid, said components are 88 by quality accounting:7:2:2:1, will After powder of stainless steel preheats 15min under the conditions of 230 DEG C, bonding agent is added, bonding agent carries out banburying, banburying after starting fusing By Screw Extrusion and pellet is cut into after 190 DEG C are cooled to after 20min;Material is molten through extrusion molding in mold cavity, injection machine Glue amount is more than Golf bulbs injection more than 1.4 times of weight, and pressure during injection is 220mpa, speed 80mm/s, mould temperature 95 ℃;With nitric acid catalysis degreasing, acid intake amount 4g/min, degreasing time 18h;The vacuum-sintering in graphite furnace, sinter 304 stainless steels When sintering temperature be 1380 DEG C, be incubated 3h under sintering temperature, in sintering process temperature more than 700 degree when be passed through argon gas and protect.
Embodiment three
Prepare the powder of stainless steel of model 316 of particle diameter D90≤22 μm, prepare binding agent, binding agent includes polyformaldehyde tree Fat, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer, stearic acid, said components are 88 by quality accounting:7:2:2:1, will After powder of stainless steel preheats 15min under the conditions of 225 DEG C, bonding agent is added, bonding agent carries out banburying, banburying after starting fusing By Screw Extrusion and pellet is cut into after 185 DEG C are cooled to after 18min;Material is molten through extrusion molding in mold cavity, injection machine Glue amount is more than Golf bulbs injection more than 1.4 times of weight, and pressure during injection is 190mpa, speed 60mm/s, mould temperature 90 ℃;With nitric acid catalysis degreasing, acid intake amount 3g/min, degreasing time 16h;The vacuum-sintering in graphite furnace, sinter 316 stainless steels When sintering temperature be 1380 DEG C, be incubated 2.5h under sintering temperature, in sintering process temperature more than 700 degree when be passed through argon gas and protect Shield.
Above-described embodiment is the preferred scheme of the present invention, and the present invention can also have other embodiments.The technology of this area Personnel can also make equivalent modifications or replacement on the premise of without prejudice to spirit of the invention, and these equivalent modifications or replacement are wrapped It is contained in the scope set by the application claim.

Claims (10)

1. a kind of golf club head manufacture craft, it is characterised in that comprise the following steps:
Prepare material, from the powder of stainless steel of particle diameter D90≤22 μm, prepare bonding agent;
It is kneaded, powder of stainless steel is preheated, bonding agent is added after preheating, bonding agent carries out banburying after starting fusing;
Injection, by the material after mixing through extrusion molding in mold cavity;
Degreasing, pass through the bonding agent in product after the removing shaping of nitric acid catalysis degreasing;
Sintering, the product Jing Guo ungrease treatment is subjected to high temperature sintering.
2. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that the powder of stainless steel uses 17- 4 stainless steels or 304 stainless steels or 316 stainless steels.
3. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that the powder of stainless steel uses water Aerosolization or gas atomization make.
A kind of 4. golf club head manufacture craft as claimed in claim 1, it is characterised in that the powder of stainless steel with it is Nian Jie Agent is 91.2 by quality accounting:8.8.
5. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that the bonding agent includes polyformaldehyde Resin, high density polyethylene (HDPE), ethylene-vinyl acetate copolymer, stearic acid, said components are 88 by quality accounting:7:2:2:1.
6. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that preheating temperature is 220- during mixing 230 DEG C, duration 15min, banburying duration 15-20min, pass through screw rod after being cooled to 180-190 DEG C after banburying is complete It is extruded and chopped into pellet.
7. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that mold cavity is molten during the injection Glue amount is more than Golf bulbs injection more than 1.4 times of weight, and pressure during injection is 160-220mpa, speed 40-80mm/s, 85-95 DEG C of mould temperature.
8. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that acid intake amount is 2- during the degreasing 4g/min, degreasing time 15-18h.
9. a kind of golf club head manufacture craft as claimed in claim 2, it is characterised in that be sintered in vacuum in graphite furnace and enter OK, 1290-1300 DEG C of sintering temperature when sintering 17-4 stainless steels, sintering temperature is when sintering 304 stainless steels and 316 stainless steel 1360-1380 DEG C, be incubated 2-3h under sintering temperature, in sintering process temperature more than 700 degree when be passed through argon gas protection.
10. a kind of golf club head manufacture craft as claimed in claim 1, it is characterised in that product is placed on and ball during sintering Carried out on the customization fixture that head is adapted.
CN201710853544.6A 2017-09-20 2017-09-20 Manufacturing process of golf club head Pending CN107790726A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710853544.6A CN107790726A (en) 2017-09-20 2017-09-20 Manufacturing process of golf club head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710853544.6A CN107790726A (en) 2017-09-20 2017-09-20 Manufacturing process of golf club head

Publications (1)

Publication Number Publication Date
CN107790726A true CN107790726A (en) 2018-03-13

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Country Status (1)

Country Link
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108687349A (en) * 2018-06-07 2018-10-23 广州奥特工程塑料有限公司 A kind of injection molding technique of stainless steel powder
CN109045640A (en) * 2018-09-03 2018-12-21 中山市奥博精密科技有限公司 MIM (metal injection molding) process of golf club head
CN110976880A (en) * 2019-12-12 2020-04-10 中山市奥博精密科技有限公司 Processing technology of golf club head
CN115475934A (en) * 2022-09-21 2022-12-16 中山市长沣运动器材有限公司 Golf club head with high tensile strength and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06296717A (en) * 1993-04-13 1994-10-25 Janome Sewing Mach Co Ltd Golf club head and manufacture thereof
US6478842B1 (en) * 2000-07-19 2002-11-12 R. A. Brands, Llc Preparation of articles using metal injection molding
CN1636649A (en) * 2004-12-16 2005-07-13 陈亮光 Powder metallurgy and jetting formation process of producing metal golf club head
CN103773982A (en) * 2012-10-24 2014-05-07 大田精密工业股份有限公司 Counter weight block alloy of golf head and manufacturing method thereof
CN104788091A (en) * 2015-03-17 2015-07-22 深圳顺络电子股份有限公司 Ferrite magnetic core blank body and preparation method thereof, and ferrite magnetic core and preparation method of ferrite magnetic core
CN106001579A (en) * 2016-06-03 2016-10-12 中山市奥博精密科技有限公司 Technology for manufacturing panel of golf club

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06296717A (en) * 1993-04-13 1994-10-25 Janome Sewing Mach Co Ltd Golf club head and manufacture thereof
US6478842B1 (en) * 2000-07-19 2002-11-12 R. A. Brands, Llc Preparation of articles using metal injection molding
CN1636649A (en) * 2004-12-16 2005-07-13 陈亮光 Powder metallurgy and jetting formation process of producing metal golf club head
CN103773982A (en) * 2012-10-24 2014-05-07 大田精密工业股份有限公司 Counter weight block alloy of golf head and manufacturing method thereof
CN104788091A (en) * 2015-03-17 2015-07-22 深圳顺络电子股份有限公司 Ferrite magnetic core blank body and preparation method thereof, and ferrite magnetic core and preparation method of ferrite magnetic core
CN106001579A (en) * 2016-06-03 2016-10-12 中山市奥博精密科技有限公司 Technology for manufacturing panel of golf club

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108687349A (en) * 2018-06-07 2018-10-23 广州奥特工程塑料有限公司 A kind of injection molding technique of stainless steel powder
CN109045640A (en) * 2018-09-03 2018-12-21 中山市奥博精密科技有限公司 MIM (metal injection molding) process of golf club head
CN110976880A (en) * 2019-12-12 2020-04-10 中山市奥博精密科技有限公司 Processing technology of golf club head
CN115475934A (en) * 2022-09-21 2022-12-16 中山市长沣运动器材有限公司 Golf club head with high tensile strength and preparation method thereof

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Application publication date: 20180313

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