CN109420878B - Method for manufacturing cup-shaped striking panel of golf club head - Google Patents
Method for manufacturing cup-shaped striking panel of golf club head Download PDFInfo
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- CN109420878B CN109420878B CN201710724459.XA CN201710724459A CN109420878B CN 109420878 B CN109420878 B CN 109420878B CN 201710724459 A CN201710724459 A CN 201710724459A CN 109420878 B CN109420878 B CN 109420878B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000011265 semifinished product Substances 0.000 claims abstract description 65
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 11
- 238000005242 forging Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000003801 milling Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 description 17
- 238000005452 bending Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000032683 aging Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 235000009508 confectionery Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000029052 metamorphosis Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- -1 iron-manganese-aluminum Chemical compound 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910001067 superalloy steel Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
Abstract
A method for manufacturing a cup-shaped striking plate of a golf club head to solve the problem of unexpected change of original mechanical properties of the plate, comprising: providing an alpha + beta type titanium alloy plate to form a striking plate semi-finished product, wherein the striking plate semi-finished product is provided with a skirt edge and a striking face; pressing and shaping the semi-finished product of the striking face to form a curved surface on the striking face; heating the striking panel semi-finished product after the pressing and shaping to 100-250 ℃, and forging the striking panel semi-finished product by using a forging die to form a bent skirt edge on the striking panel semi-finished product; and heating the semi-finished product of the striking panel with the bent skirt to 100-250 ℃, and forming by using a forming upper die with the temperature of 60-100 ℃ and a forming lower die with the temperature of 150-350 ℃ to obtain the cup-shaped striking panel of the golf club head.
Description
Technical Field
The present invention relates to a method for manufacturing a cup-shaped striking plate of a golf club head, and more particularly, to a method for manufacturing a cup-shaped striking plate of a golf club head using a low temperature stamping technique.
Background
The conventional method for manufacturing a cup-shaped striking plate (cup face) of a golf club head comprises roughly forging and precisely forging a plate, and then bending and shaping the plate by a punch press or an oil press to obtain the desired cup-shaped striking plate. In the processing process, the plate needs to be heated at 650-980 ℃ to enable the temperature of the plate to approach or exceed the temperature of the metamorphosis point of the material of the plate for forming, however, for some special plates, when the plate is heated to the temperature of the metamorphosis point, unexpected influence is easily generated on the plate, the quality of the striking plate is further influenced, and the required specification of the golf club head is not easily achieved. For example, for the DAT55G plate, when the temperature rises above 400 ℃, the mechanical properties of the plate change greatly, and the closer the temperature is to the transition point (700 ℃), the more drastic the change.
Disclosure of Invention
To solve the above problems, the present invention provides a method for manufacturing a cup-shaped striking plate of a golf club head, which can prevent the original mechanical properties of the plate from being unexpectedly changed during the manufacturing process.
The invention provides a method for manufacturing a cup-shaped striking plate of a golf club head, comprising the following steps: providing an alpha + beta type titanium alloy plate to form a striking plate semi-finished product, wherein the striking plate semi-finished product is provided with a skirt edge and a striking face; pressing and shaping the semi-finished product of the striking face to form a curved surface on the striking face; heating the striking panel semi-finished product after the pressing and shaping to 100-250 ℃, and forging the striking panel semi-finished product by using a forging die to form a bent skirt edge on the striking panel semi-finished product; and heating the semi-finished product of the striking panel with the bent skirt to 100-250 ℃, and forming by using a forming upper die with the temperature of 60-100 ℃ and a forming lower die with the temperature of 150-350 ℃ to obtain the cup-shaped striking panel of the golf club head.
Therefore, the mould and the striking panel semi-finished product are firstly subjected to radian forming in a non-heating mode, then the temperature of the striking panel semi-finished product is controlled at a low temperature to be subjected to stretching bending, and the striking panel semi-finished product is quickly formed into an expected striking panel finished product by using the low-temperature forming mould and short-time pressurization, so that the effect of reducing the risk of influencing the mechanical properties of the striking panel semi-finished product due to excessive temperature rise is achieved. Particularly, when the DAT55G plate is used, the mechanical properties of the DAT55G plate greatly change after the temperature of the DAT55G plate is increased to more than 400 ℃, so that the mechanical properties of the plate originally meeting the golf ball specification can be maintained by forging the plate through a low-temperature die by the manufacturing method of the cup-shaped striking plate of the golf club head of the present invention, and the effect of stabilizing the production quality can be achieved.
Milling the edge of the alpha + beta type titanium alloy plate to form a thin area, wherein the thickness of the thin area is 0.8-1.5 mm, so that the plate forms the semi-finished product of the striking panel. Thus, the skirt can be more easily bent to form a cup-shaped striking plate structure.
The alpha + beta type titanium alloy plate has one machining surface and one beating forming surface, and the machining surface is milled to form different thickness structure to form the semi-finished product of the beating plate. Therefore, the area of the striking sweet area can be enlarged, and the striking performance of the golf club head is improved.
And pressing and shaping the semi-finished product of the striking face plate under the pressure of 80-120 tons to form a curved surface on the striking face. Thus, the expected striking plate finished product can be quickly formed, and the risk of influencing the mechanical property of the plate by excessive temperature rise is reduced.
Wherein the curved striking plate is forged with a pressure of 120-180 tons to form the bent skirt. Thus, the expected striking plate finished product can be quickly formed, and the risk of influencing the mechanical property of the plate by excessive temperature rise is reduced.
Wherein the curved striking plate with the bent skirt is molded into the cup-shaped striking plate of the golf club head by 120 to 180 tons of pressure. Thus, the striking plate can be quickly formed into a desired striking plate product, and the risk of influence of excessive temperature rise on the mechanical properties of the plate is reduced.
Wherein, the forming upper die and the forming lower die are used to form the curved striking plate with the bent skirt for 3-15 seconds. Thus, the striking plate can be quickly formed into a desired striking plate product, and the risk of influence of excessive temperature rise on the mechanical properties of the plate is reduced.
Wherein, the forming upper die and the forming lower die are used for forming the curved striking panel with the bent skirt for 5 seconds. Thus, the striking plate can be quickly formed into a desired striking plate product, and the risk of influence of excessive temperature rise on the mechanical properties of the plate is reduced.
Drawings
FIG. 1: the invention relates to a manufacturing method flow chart of a golf club head cup-shaped striking panel;
FIG. 2 a: the invention discloses a manufacturing method and a process schematic diagram of a golf club head cup-shaped striking panel;
FIG. 2 b: the invention discloses a manufacturing method and a process schematic diagram of a golf club head cup-shaped striking panel;
FIG. 2 c: the invention discloses a manufacturing method and a process schematic diagram of a golf club head cup-shaped striking panel;
FIG. 2 d: the invention discloses a manufacturing method and a process schematic diagram of a golf club head cup-shaped striking panel;
FIG. 2 e: the invention discloses a manufacturing method and a process schematic diagram of a golf club head cup-shaped striking panel;
FIG. 2 f: the invention discloses a manufacturing method and a process schematic diagram of a golf club head cup-shaped striking panel;
FIG. 3: the aging temperature and the holding time of the DAT55G plate material and the hardness change chart of the manufacturing method of the cup-shaped striking plate of the golf club head are shown in the invention.
Description of the reference numerals
[ the invention ]
1 sheet 11 working surface
111 forming region 112 peripheral region
12 strike forming surface 13 thin area
2 semi-finished 21 striking face of striking panel
22 skirt edge
S1 semi-finished product providing step
S2 radian forming step S3 stretching and bending step
S4 final forming step.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below:
referring to fig. 1, a method for manufacturing a cup-shaped striking plate of a golf club head according to an embodiment of the present invention can substantially include: a semi-finished product providing step S1, a curvature forming step S2, a stretch bending step S3 and a final forming step S4, wherein the semi-finished product of the striking plate is provided with the semi-finished product of the step S1, and the semi-finished product of the striking plate is pressed and shaped by the curvature forming step S2, the stretch bending step S3 and the final forming step S4 to form a cup-shaped striking plate of the golf club head.
The semi-finished product providing step S1 can be performed by pre-processing a plate 1 according to different golf club head requirements to form a striking plate semi-finished product 2, for example, the surface of the plate 1 can be simply polished to modify the shape, or alternatively, an anti-oxidation layer can be selectively formed on the surface of the plate 1 according to the material characteristics of the plate 1, that is, if the plate 1 is a metal (e.g., titanium metal) which is easily oxidized, the anti-oxidation layer is preferably formed on the surface of the plate 1 to prevent the plate 1 from generating oxides during heating and shaping, or the plate 1 is formed to have a structure with different thickness, so as to enlarge the area of the striking sweet area and further improve the striking performance of the striking plate of the golf club head. In this embodiment, the plate 1 is milled to form a structure with different thickness to form the striking plate semi-finished product 2, and the plate 1 is not required to be heated during milling, so that the risk of influence of excessive temperature rise on the mechanical properties of the plate 1 can be reduced.
Specifically, referring to fig. 2a, the semi-finished product providing step S1 is to provide the plate 1, and mill the plate 1 to form the striking plate semi-finished product 2; for example, the plate 1 can be cut out from a substrate by a cutting machine (e.g., a laser cutting machine) to approximate the outer edge profile of the finished product for subsequent processing steps. The material of the plate 1 is preferably selected from metal materials having relatively high elastic deformability or shock absorption capability, such as: carbon steel, stainless steel, alloy steel, nickel-based alloy, cast iron, superalloy steel, iron-manganese-aluminum alloy, titanium alloy, copper alloy, aluminum alloy, magnesium alloy, or combinations thereof, with stainless steel and titanium alloy being particularly preferred. In the present embodiment, an α + β type titanium alloy sheet material, for example, DAT55G (including 3.5 to 4.5% by weight of aluminum, 15 to 17% by weight of vanadium, 5 to 7% by weight of chromium, and the balance titanium) is used, and the α + β type titanium alloy sheet material can also be SP700 or 15-3-3-3, but the present invention is not limited thereto.
Referring to fig. 2b, in the present embodiment, the plate 1 can be milled and trimmed by a machine tool to form a non-uniform thickness structure to enlarge the area of the sweet spot of the golf club head, so as to enhance the hitting performance of the golf club head, in detail, the plate 1 has a processing surface 11 and a hitting forming surface 12 opposite to each other, the processing surface 11 has a forming region 111 and a peripheral region 112, the peripheral region 112 surrounds the forming region 111, and the peripheral region 112 can be milled to make the thickness of the peripheral region 112 of the plate 1 smaller than the thickness of the forming region 111, so that the plate 1 has the non-uniform thickness structure. In addition, when milling the machining surface 11, it is preferable to perform the rough milling, the middle milling, and the fine milling in sequence by using different milling tools, so as to improve the milling accuracy. In the embodiment, the forming area 111 is located at the center of the processing surface 11, but the forming area 111 can also be located near the periphery of the processing surface 11, or a plurality of forming areas 111 can be provided, so that the plate 1 can form striking plates with various striking properties, and the invention is not limited thereto. In addition, the striking forming surface 12 can be milled flat to avoid generating notches or irregular protrusions which can not strike the ball normally according to the requirements of the user.
Referring to fig. 2c, the step S1 of providing the semi-finished product can further include milling the edge of the plate 1 to reduce the thickness of the edge of the plate 1 to form a thin area 13, so as to obtain the striking plate semi-finished product 2, in particular, milling the periphery around the plate 1, or milling the two adjacent or opposite sides of the plate 1 to form the thin area 13, for example, the thickness of the thin area 13 can be 0.8-1.5 mm, so that the thin area 13 of the plate 1 can be more easily bent to form the striking plate semi-finished product 2. Thus, the striking-forming surface 12 of the plate 1 forms a striking surface 21 of the striking plate blank 2, and the thin region 13 forms a skirt 22 of the striking plate blank 2.
Referring to fig. 2d, in the curvature forming step S2, the striking face semi-finished product 2 is shaped to obtain a curved striking face semi-finished product 2, so that the striking face 21 of the striking face semi-finished product 2 forms a curved surface, for example, the striking face 21 can be formed into a curved surface by pressing and shaping the striking face semi-finished product 2 through an upper mold and a lower mold having curved surfaces, so that the striking face 21 can have a proper curvature to be combined with a golf club head, and the curvature radius of the striking face 21 can be, for example, 160-600 mm. It should be noted that the arc forming step S2 does not heat the striking plate semi-finished product 2 and the upper and lower molds, so it is preferable to perform press molding with a pressure of 80 to 120 tons to form a radius of curvature meeting the specification of the golf club head.
Referring to fig. 2e, in the stretch bending step S3, the skirt 22 of the striking plate semi-finished product 2 is primarily bent toward the processing surface 11, so that the striking plate semi-finished product 2 forms a cup-shaped striking plate suitable for being combined with a golf club head, in this embodiment, the striking plate semi-finished product 2 is heated to 100 to 250 ℃ to increase the plasticity of the striking plate semi-finished product 2, and the striking plate semi-finished product 2 is placed in a mold to be forged to form the bent skirt 22, so as to reduce the influence of the temperature on the mechanical properties of the striking plate semi-finished product 2, preferably, the striking plate semi-finished product 2 is heated to 200 ℃ for 6 minutes, and is forged at a pressure of 120 to 180 tons.
Referring to fig. 2f, in the final forming step S4, the striking plate semi-finished product 2 obtained in the stretching and bending step S3 is formed, so that the skirt 22 of the striking plate semi-finished product 2 is bent to form a golf club head cup-shaped striking plate meeting the specification, in this embodiment, the striking plate semi-finished product 2 is heated to 100 to 250 ℃, and also to reduce the influence of the temperature on the mechanical properties of the striking plate semi-finished product 2, the striking plate semi-finished product 2 is preferably heated to 200 ℃ for 6 minutes, and a forming upper mold and a forming lower mold are used to form under a pressure of 120 to 180 tons, and the forming upper mold temperature is preferably lower than the forming lower mold temperature, so that the striking plate semi-finished product 2 can be rapidly cooled and shaped after being formed, in this embodiment, the forming upper mold temperature can be 60 to 100 ℃, and the forming lower mold temperature can be 150 to 350 ℃, and the forming time is controlled to be 3-15 seconds to reduce the heating time of the striking panel semi-finished product 2, and the striking panel semi-finished product 2 is preferably formed between the forming upper die and the forming lower die for 5 seconds, so that the striking panel semi-finished product 2 can be formed to an expected striking panel finished product without being influenced by mechanical properties.
In summary, in the manufacturing method of the cup-shaped striking plate for a golf club head according to the present invention, the mold and the semi-finished striking plate are first arc-shaped without heating, then the temperature of the semi-finished striking plate is controlled at a low temperature for stretch bending, and the semi-finished striking plate is rapidly formed into the desired finished striking plate by the low-temperature forming mold and short-time pressing, so as to reduce the risk of the mechanical properties of the semi-finished striking plate being affected by excessive heating. Particularly, when the DAT55G sheet material is used, the mechanical properties of the DAT55G sheet material change greatly after the temperature of the DAT55G sheet material is increased to more than 400 ℃, as shown in fig. 3, which is a graph of changes of aging temperature and maintaining time of the DAT55G sheet material and hardness, taking an example that the DAT55G sheet material is heated to the aging temperature of 350 ℃ and maintained for 1 hour, at this time, the hardness of the DAT55G sheet material is 37.5HRC, and the DAT55G sheet material is heated to the aging temperature of 500 ℃ and maintained for 1 hour, the hardness of the DAT55G sheet material is 45.8HRC, and the higher aging temperature increases the hardness of the DAT55G sheet material from HRC 37.5 to 45.7, and too high hardness also makes the material difficult to machine and form; in addition, the hardness of the DAT55G plate is obviously improved along with the maintaining time, so that the manufacturing method of the cup-shaped striking plate of the golf club head of the invention, by forging through a low-temperature die, not only can be beneficial to processing and forming materials into the cup-shaped striking surface at a low aging temperature, but also can maintain the mechanical properties of the plate which originally meet the specification of a golf ball, and can achieve the effect of stabilizing the production quality.
Claims (8)
1. A method for manufacturing a cup-shaped striking plate of a golf club head is characterized in that: the method comprises the following steps:
providing an alpha + beta type titanium alloy plate to form a semi-finished product of the striking panel, wherein the semi-finished product of the striking panel is provided with a skirt edge and a striking surface;
pressing and shaping the semi-finished product of the striking face to form a curved surface on the striking face;
heating the striking panel semi-finished product after the pressing and shaping to 100-250 ℃, and forging the striking panel semi-finished product by using a forging die so as to form a bent skirt edge on the striking panel semi-finished product; and
heating the semi-finished product of the striking panel with the bent skirt to 100-250 ℃, and forming by using a forming upper die with the temperature of 60-100 ℃ and a forming lower die with the temperature of 150-350 ℃ to obtain the cup-shaped striking panel of the golf club head.
2. The method of manufacturing a cup-shaped striking plate for a golf club head according to claim 1, wherein: and milling the edge of the alpha + beta type titanium alloy plate to form a thin area, wherein the thickness of the thin area is 0.8-1.5 mm, so that the plate forms the semi-finished product of the striking panel.
3. The method of manufacturing a cup-shaped striking plate for a golf club head according to claim 1, wherein: the alpha + beta type titanium alloy plate is provided with a processing surface and a striking forming surface which are opposite, and the processing surface of the plate is milled to form a structure with different thicknesses so as to form a semi-finished product of the striking plate.
4. A method of manufacturing a cup-shaped striking plate for a golf club head according to claim 1, 2 or 3, wherein: and pressing and shaping the semi-finished product of the striking face plate by using the pressure of 80-120 tons to form a curved surface on the striking face.
5. A method of manufacturing a cup-shaped striking plate for a golf club head according to claim 1, 2 or 3, wherein: the striking panel is forged with a pressure of 120-180 tons to form the bent skirt.
6. A method of manufacturing a cup-shaped striking plate for a golf club head according to claim 1, 2 or 3, wherein: the curved striking plate with the bent skirt is molded into the cup-shaped striking plate of the golf club head by a pressure of 120 to 180 tons.
7. A method of manufacturing a cup-shaped striking plate for a golf club head according to claim 1, 2 or 3, wherein: the forming upper mold and the forming lower mold are used to form the curved striking plate with the bent skirt for 3-15 seconds.
8. The method of manufacturing a cup-shaped striking plate for a golf club head according to claim 7, wherein: the curved striking plate with the bent skirt is formed by the upper forming mold and the lower forming mold for 5 seconds.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710724459.XA CN109420878B (en) | 2017-08-22 | 2017-08-22 | Method for manufacturing cup-shaped striking panel of golf club head |
| JP2018138929A JP6641429B2 (en) | 2017-08-22 | 2018-07-25 | Manufacturing method of cup face plate of golf club head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710724459.XA CN109420878B (en) | 2017-08-22 | 2017-08-22 | Method for manufacturing cup-shaped striking panel of golf club head |
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| Publication Number | Publication Date |
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| CN109420878A CN109420878A (en) | 2019-03-05 |
| CN109420878B true CN109420878B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710724459.XA Active CN109420878B (en) | 2017-08-22 | 2017-08-22 | Method for manufacturing cup-shaped striking panel of golf club head |
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| JP (1) | JP6641429B2 (en) |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6569033B2 (en) * | 1996-10-23 | 2003-05-27 | Callaway Golf Company | Striking plate for a golf club head |
| JP2003003224A (en) * | 2001-06-20 | 2003-01-08 | Sumitomo Rubber Ind Ltd | High-strength titanium alloy material, method of manufacturing for the same and golf club head using the alloy material |
| JP2003079769A (en) * | 2001-09-10 | 2003-03-18 | Sumitomo Rubber Ind Ltd | Wood type golf club head |
| US6663501B2 (en) * | 2001-12-07 | 2003-12-16 | Charlie C. Chen | Macro-fiber process for manufacturing a face for a metal wood golf club |
| JP4611625B2 (en) * | 2003-11-26 | 2011-01-12 | 本田技研工業株式会社 | Forging method |
| CN102989144B (en) * | 2012-12-26 | 2015-07-01 | 吴景霖 | Manufacture method of golf club head striking face and golf club head striking face structure |
| CN104248832B (en) * | 2013-06-27 | 2017-05-17 | 复盛应用科技股份有限公司 | Manufacturing method of arc-shaped striking panel of golf head |
| CN105311801B (en) * | 2014-07-01 | 2018-01-02 | 复盛应用科技股份有限公司 | The manufacture method of batting faceplate of golf club head |
-
2017
- 2017-08-22 CN CN201710724459.XA patent/CN109420878B/en active Active
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- 2018-07-25 JP JP2018138929A patent/JP6641429B2/en active Active
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| Publication number | Publication date |
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| CN109420878A (en) | 2019-03-05 |
| JP6641429B2 (en) | 2020-02-05 |
| JP2019037755A (en) | 2019-03-14 |
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