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Manufacturing process of golf club head

A golf head and manufacturing process technology, which is applied to golf balls, golf clubs, metal processing equipment, etc., can solve the problems of long production cycle, high processing cost, large weight tolerance, etc., and achieve good product consistency and processing efficiency The effect of high, tight weight tolerances

Inactive Publication Date: 2018-03-13
陈长春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ball head is made by casting and then dewaxed many times. The process is long, the product size accuracy is low, the consistency is poor, and the weight tolerance is large; the forged ball head is formed by machine forging and has high requirements for materials. , the production cycle is longer, the cost is higher, and it is mainly suitable for the manufacture of high-end ball equipment
After casting or forging, post-processing costs are high, and the product consistency after processing is still poor; therefore, the invention provides a high-efficiency, low-cost, high-precision golf head manufacturing process to solve the above problems

Method used

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  • Manufacturing process of golf club head

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Prepare 17-4 stainless steel powder with a particle size of D90≤22 μm, and prepare a binder, which includes polyoxymethylene resin, high-density polyethylene, ethylene-vinyl acetate copolymer, and stearic acid. The above components account for The ratio is 88:7:2:2:1. After preheating the stainless steel powder at 220°C for 15 minutes, add the adhesive. After the adhesive starts to melt, carry out banburying. After banburying for 15 minutes, cool down to 180°C and pass Screw extruded and cut into pellets; the material is extruded through the mold cavity, the amount of sol in the injection molding machine is more than 1.4 times the injection weight of the Golf ball head, the pressure during injection molding is 160mpa, the speed is 40mm / s, and the mold temperature is 85 ℃; use nitric acid to catalyze degreasing, the acid feed rate is 2g / min, and the degreasing time is 15h; vacuum sintering in a graphite furnace, the sintering temperature is 1300°C when sintering 17-4 stai...

Embodiment 2

[0034] Prepare 304 stainless steel powder with a particle size of D90≤22μm, and prepare a binder, which includes polyoxymethylene resin, high-density polyethylene, ethylene-vinyl acetate copolymer, and stearic acid. The above-mentioned components are 88:7:2:2:1, after preheating the stainless steel powder at 230°C for 15 minutes, add the binder, the binder starts to melt and then carry out banburying, after 20 minutes of banburying, cool down to 190°C and extrude through the screw Take out and cut into pellets; the material is extruded through the mold cavity, the amount of injection molding machine sol is more than 1.4 times the injection weight of the Golf ball head, the pressure during injection molding is 220mpa, the speed is 80mm / s, and the mold temperature is 95°C; Catalyzed degreasing with nitric acid, the amount of acid feed is 4g / min, and the degreasing time is 18h; Vacuum sintering in a graphite furnace, the sintering temperature is 1380°C when sintering 304 stainless...

Embodiment 3

[0036] Prepare 316 stainless steel powder with a particle size of D90≤22μm, and prepare a binder, which includes polyoxymethylene resin, high-density polyethylene, ethylene-vinyl acetate copolymer, and stearic acid. The above-mentioned components are 88:7:2:2:1, after preheating the stainless steel powder at 225°C for 15 minutes, add the binder, the binder starts to melt and then carry out banburying, after 18 minutes of banburying, cool down to 185°C and extrude through the screw Take out and cut into pellets; the material is extruded through the mold cavity, the amount of injection molding machine sol is more than 1.4 times the injection weight of the Golf ball head, the pressure during injection molding is 190mpa, the speed is 60mm / s, and the mold temperature is 90°C; Catalyzed degreasing with nitric acid, the amount of acid input is 3g / min, and the degreasing time is 16h; Vacuum sintering in graphite furnace, when sintering 316 stainless steel, the sintering temperature is ...

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Abstract

The invention discloses a manufacturing process of a golf club head. The manufacturing process of the golf club head includes the following steps of material preparation, specifically, stainless steelpowder with the grain size D90 smaller than or equal to 22 micrometers is adopted, and adhesives are prepared; mixing, specifically, the stainless steel powder is preheated, then the adhesives are added, and banburying is conducted after the adhesives begin to melt; injection molding, specifically, the mixed materials are extruded from a mold cavity to be formed; degreasing, specifically, degreasing is catalyzed through nitric acid, so that the adhesives in a formed product are removed; and sintering, specifically, the degreased product is subjected to high-temperature sintering. According tothe manufacturing process of the golf club head, the final product is obtained through injection molding of the metal powder, degreasing and sintering, and the manufactured product is high in accuracy, small in weight tolerance, good in consistency and higher in post-machining efficiency with only a little post-machining; the product is good in consistency, and the playing experience of golf players is better; and equipment investment involved in the manufacturing process is low, and good economical benefits are achieved.

Description

technical field [0001] The invention relates to a golf head manufacturing process. Background technique [0002] At present, golf ball equipment manufacturers mainly use casting or forging to make golf ball heads. The ball head is made by casting and then dewaxed many times. The process is long, the product size accuracy is low, the consistency is poor, and the weight tolerance is large; the forged ball head is formed by machine forging and has high requirements for materials. , the production cycle is longer and the cost is higher, and it is mainly suitable for the manufacture of high-end ball equipment. After casting or forging, post-processing costs are high, and the product consistency after processing is still poor; therefore, the invention provides a high-efficiency, low-cost, and high-precision golf head manufacturing process to solve the above problems. Contents of the invention [0003] In order to solve the above problems, the present invention provides a golf ...

Claims

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Application Information

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IPC IPC(8): B22F3/22B22F5/00A63B53/04
CPCA63B53/047B22F3/225B22F5/00B22F2998/10B22F1/108B22F3/10B22F3/1021
Inventor 陈长春
Owner 陈长春
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