TW200836799A - Method for manufacturing golf club head - Google Patents

Abstract

To provide a method of manufacturing golf club head whose parts can be brazed avoiding property deterioration of parts of the golf club such as strength etc. A head body part of head parts and other head parts such as a crown part 2a and a face part 3a are prepared. Brazing metal is supplied to joining parts between the head body part and the crown part 2a or the face part 3a. The head body part and the joining parts between the crown part 2a or face part 3a or vicinity of them are selectively heated together with brazing metal to melt the brazing metal. By curing the brazing metal, the crown part 3a or the face part 3a are joined to the head body part together.

Description

200836799 IX. INSTRUCTIONS OF THE INVENTION · TECHNICAL FIELD OF THE INVENTION: In the method of manufacturing a golf club head, in particular, a golf club head manufactured by joining a plurality of members by a method [Prior Art]

Knowing Wax In the past, a golf club head made by joining a plurality of members was used. The joining methods of the members of the face club head include various methods such as press fitting, welding, and joining. Among the various joining methods described above, the bonding of the wax members which can be used for welding difficult members is not suitable for the joining between the members to be pressed. For example, the opening of the 1 2 003 339 923 5 tiger bulletin describes the method of joining the members of the golf club head by the related joints. In the above-mentioned Japanese Patent Publication No. 2GG3-339923, it is described that the coffin is provided in the groove and the hole of the balance clock member, and the head body and the counterweight member are combined, and then the entire head is heated to perform wax bonding. Joining techniques. When the soil is joined, the head is heated, for example, in a vacuum furnace. [Patent Document 1] JP-A-2003-339923 SUMMARY OF THE INVENTION The prior art wax bonding described in Japanese Laid-Open Patent Publication No. 2003-339923 discloses the heating of the entire golf club head in a furnace. The heat necessary for the feed is applied to the entire head. In summary, the components constituting the head 敫 2075-9232-PF 5 200836799 are affected by the heat of the wax joint. As a result, the metal structure of each member of the head is enlarged, and the hardness of the head is lowered, and in the joint interface, the brittle intermetallic compound-forming layer becomes large, and the strength surface such as the head embrittlement is generated. problem. Accordingly, it is an object of the present invention to provide a method of manufacturing a golf club head which can avoid the deterioration of characteristics of members (four) of the golf club head and the like, and can join the members with wax. The method for producing a golf club head according to the present invention is a method for producing a golf club head including the i-th and second members joined to each other, and includes the following steps. The wax material is supplied to the joint portion of the second member. Along with the above-mentioned loam material, the upper portion W and the second member: the joint portion or the vicinity thereof are selectively irradiated with a laser and heated to melt the above-mentioned "scrub: the wax material is cured" to join the first and second members. Here, "" is a part of the member golf club head, the member', and the head main body portion, and various components attached to the number, and the above-mentioned "parts" are also included. The method of manufacturing the 早 早 或 或 或 或 」 」 」 」 」 」 」 」 」 」 : : : : : : : : : :. - supplying the above-mentioned loam material to the i-th and second-structure second interface portions, and the person with the wax material one, Qiu Shigan, selectively irradiates the laser in the vicinity of the first and second members of the second member to heat and heat, _ The above-mentioned two-two ant materials are hardened 'to join the above-mentioned i-th and second members. The joint between the reference member 1 and the second member is also overlapped between the ends of the members of the second member. Furthermore, the above-mentioned condition can also be supplied to the upper part of the upper body 1 and the second member.

2075-9232-PF 6 200836799 3 The relative condition between the ends of the first and second members is supplied to the opposite portion. And the opposite part, the opposite part of the situation, is not actually the second and the second component of the second:: in the book, "there is a (four) ^ abutment between the phase and the second component, but the first Before the money is melted into the material, the joint of the member can also be used. For example, 'by irradiating the mine, the joint of the young member or the vicinity thereof, it is preferable to use the pure 2 brother 1 and the second: the step of melting the above-mentioned material is preferably At normal temperature (for example, room, "two: preferred. % material", for example, in the effect of waxing the laser, inventing the invention, not inventing the whole of the member of the golf club head, and selectively heating the joint between the members together In the vicinity of or in the vicinity of the material: the material 'so that the heat that can be avoided from the combination affects the whole of the components, dreams of this - and can avoid the inferiority of the strength of each member, and can be joined to each member [embodiment]: 1 to 13 show an embodiment of the present invention. Fig. 1 to Fig. 3 show an example of a wooden golf club head 1 to which the manufacturing method of the present embodiment is applicable. Fig. 1 to Fig. 3 As shown, the golf club head i includes a crown 2, a face 3, a side 4, and a bottom 5 Fig. 4 shows a state in which the golf club head i is disassembled. As shown in Fig. 2075-9232-PF 7 200836799 2, the golf club head has a crown opening 2b in the crown 2 And the cover 3 includes a # 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 本体 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 硕 面部 面部 面部 面部 面部 面部 面部The crotch member 2a and the member 3 forming the face portion 3 of the face portion 3 can be joined to the head body member 3a via the joint portion 6& a. The joint portion (10) engages the head body portion and the face body portion, the crown portion The member 2a, the surface member, various metal materials or resin materials, etc. 砮b _ ΛΑ 寻 寻 I use, however, the material that is susceptible to 埶ββ is used in at least a part of the head of the head, ..., This embodiment", for example, includes the use of soft iron, titanium alloy [/? (Tl-15V-6Cr-4A1) or titanium (Ti-6AHV), etc.), maraging non-aging steel, Xinjin 'ming The paste brother of the alloy-made member cannot be used in the manufacturing method of the present embodiment. Month Next, use the 1st Γ 一 一 一 一 一 一 一 一 一 一 一 一 一 一 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制 木制An example of the W table k method is prepared for the head wood; I# mail 彳 well-known hand 3a) (step si). 2a. Face member In the present embodiment, the head body portion of the thickness of the head is made by praying, and the gas is 9 mm 2a, and is produced by forging; Member member 3a. "" 3 Titanium 3.0_ thickness of the face structure Second, supply the head body part of the mast head member (coronal member

2075-9232-PF 8 200836799 2a, joint of face member 3a) (βΑ„ 〇.790/4 0 丨0骤S2). The wax material is capable of using silver wax ('?2 御 side~cu, the line of the sacrifice material) The crown door is a joint portion in which the crown member 2a is attached to the head body portion. I: the bad body is supplied to the head body portion and the crown member to be connected to the solid phase, the liquid phase. Any state of the gas phase can be considered to be supplied to the joint portion, for example, in a solid state in a wire shape, in a wide-angle state (for example, a paste state). On the other hand, the member 3a is joined to the head body. Sp in the head main body portion... The surface member 3a is ruptured in the (4) state, and the composite material as described above is supplied to the joint portion between the #head main body portion and the surface member 3a. The supply of the bad material of the joint portion of the crown member 2a and the plucking of the head portion are carried out, and the joints of the four members are used for the second (in the normal temperature environment). ^ The loom is melted in the joint portion of the body and the head member or in the vicinity thereof (step 3). That is, the coffin - locally heats the head body The joint portion of the portion and the head member is melted. At this time, it is preferable to suppress oxidation of the head portion and the joint portion, and it is preferable to blow an inert gas such as gas from the surface or the inside of the joint portion. The entire body of the head body and the head member can prevent the thermal influence of the butterfly joint, and at the same time, the characteristics of the rod, the body, and the strength of each member can be prevented from deteriorating, and the material is supplied to the joint. In the present embodiment, when the crown member 2a is joined, silver wax (BAgU2% Ag-28% Cu) is supplied to the head body portion and the crown member h, = 2075- 9232-PF 9 200836799 The joint part, as shown in Fig. 5, the body part of the (four) material and the crown member h also heat the cup head ~, the sleeve "the joint of the crucible, so that the silver wax melts. More detailed and Increase the material for crying, 7 crotch, ... two wire-like or paste-like silver enamel in the joint °,,,, benefit 7 irradiation laser in the wax, the body of the butterfly head and the surface member (four) access !"Materials - Partially ^ά t and then the joint of the buckle to melt the silver wax. As described above, the material simultaneously heats the joint portion of the two: her wetness. In the example, the use of pre-;; two precursors; heat: the joint (base metal), and by preheating as above Joint: base material) 'The silver crucible can be efficiently melted. Further, the preheater 8 is used, and the preheater 8 is irradiated with radiation to the joint portion (^ the = joint portion (base material) is heated in advance, but this is

To omit. ^J, in other respects, when the surface member 3a is joined to the head main portion, cloth or the like is supplied to the paste-like silver soil at the head main portion and the surface member % portion, and as shown in Fig. 6, by the heater 7 The laser irradiates the silver soil; this, in combination with the silver crucible, locally heats the head portion and the face member to melt the silver wax. As described above, when the ground material is irradiated with a laser and the joint portion is partially joined with the loam material, it is not necessary to fix the head main body member by using a jig or the like. Therefore, the complicated fixing work due to the jig or the like can be omitted. . Therefore, the workability can be remarkably improved. In addition, it is also possible to change the quality caused by the change in the degree of the disc. I: Exemption factor: With the solidity caused by the like, the restriction on the shape of each member can be alleviated because the shape of the wide part is not required. Therefore, the degree of freedom in design of each member of 2075-9232-PF 10 200836799 can be improved. Here, the use of the joining method between Fig. 8 and the first member will be described in more detail in the respective aspects of the golf ball. As shown in Figure 8, in love

At the end of the at least one of the members 10a and 1b, the wax material 11 is supplied in a relative state with respect to each other, and the adjacent portion 2' is melted by the opposite portion 1 2 via the crucible. The material U-joined (relatively joined) parts IGa, Ubl can be further, as shown in Fig. 9, the weight of the u ^ ^ 'port P is supplied in the state where the ends of the parts l〇c, 10d are heavy. This wax material η is melted, and it is also possible to hunt through the wax material in the heavy section 13. 11 joint (overlap joint) parts 10c, 10d When the head body portion is joined to the crown structure 2, for example, at the peripheral portion of the 椁萠太骅邛 and the crown member % H # " 8罔, 褥 2a In the state in which the peripheral portion is opposed to each other (see Fig. 1), the wire-filled filler may be melted at the opposite portion. The other part is obtained by the phase. θ „ , ^ , the face member % When it is joined to the head body, it is rubbed in the shape of the circumference of the cup body portion # π ^ .. % 1 "the surface of the surface member 3a is overlapped (see the figure of FIG. 9). The wax material may be erected here and the wax material may be melted at the overlapping portion. Further, it is also possible to appropriately combine both the above-described relative bonding and the overlapping bonding. The heater 7 can use a laser capable of irradiating a laser to cause laser irradiation. In the case of the melting rod head: a heating device, any heating device other than the above may be used as long as the head main portion and each member can be locally heated. Next, the case where the heater 7 is used to refine the silver soil (10) (four) will be described by way of example. Specific conditions. Use the above heater 7 to dissolve the silver sacrifice BAg_8), in the case of the oppositely bonded 楕2075-9232-PF 11 200836799, the laser speed is, for example, 3 mm/s, and the supply speed of the silver butterfly (BAg_8) is, for example, 20 ron/s'. The laser output is preferably 4 〇〇~5〇〇w. When superimposed, the laser speed is 3mm/s', the laser output is preferably 5〇〇f, and the silver wax (BAg_8) is preferably coated. In addition, the overlap range is 3 hidden, the thickness of the overlapping portion is preferably 1 mm. Figure 14 shows the relationship between the laser speed of the silvery soil (BAg_8) and the laser output when the supply speed is 2〇龙/3. The figure shows the laser speed and the laser output (4) in the case of a sheet of silver (BAg-8) bonded to titanium (Titanium alloy) and a sheet of steel (view 30). Figure 14 From the laser speed and the laser output, it is possible to know the change in the degree of filling of the loam between the sheets. As a result, the conditions of the following table can be regarded as suitable conditions for the above-mentioned relative joining. Table 1 ---~ ~--——-_ __^Output [W] ------ -^——_____ __ 4 0 0 ~6 5 0 A butterfly material supply speed [mm/s]— " ----- —----- _ 20 — Laser Degree [mm/s] ^------- 2~4 _^JgXclearance)[j^ —-_^_ Also, the supply speed of the wax material can be 20 or a value other than /S. In other cases, it is necessary to change other conditions such as the above-mentioned laser speed. κ Here, by referring to the figure f7, the wax material is heated and melted, and the butterfly material is hardened. Typically, the fisherman/hunt is cold. The joint portion hardens the wax material, whereby the head main body portion and the member can be joined (step s4). Join the golf club head through the above steps! After the various members, it is possible to perform various treatments such as surface treatment such as surface polishing, coating, and the like.

2075-9232-PF 12 200836799 The golf club head j shown in Figures 1 to 3 is made. Next, a configuration example of the joining method of the present embodiment will be described with reference to Figs. 10(a) to (e). Further, Fig. 10 (a) to (e) show an example of a joint structure in the case of using a silver wax (BAg-8) and a sheet material of a titanium alloy (α-cold titanium) and a sheet of stainless steel (SUS63〇). Fig. 10 is a diagram showing the structure of the joint portion 4 in the case where the laser speed is 4 5_/s, the laser output is l〇〇w, and the supply speed of silver wax (BAg_8) is 2〇_/s, Fig. 10 (b) The cross-sectional structure of the joint portion in the case where the laser speed is 4 mm/s, the laser output is 350 W silver wax (BAg-8), the supply speed is 2 〇 _ / s, and the 10 (c) shows the laser The cross-sectional structure of the joint portion at a speed of 3 mm/s, a laser output of 400 W, a supply speed of silver wax (BAg-8) of 2 mm/s, and a laser speed of 3 mm/s in Fig. 10 (d) The cross-sectional structure of the joint portion in the case where the laser output is 350 W, the supply speed of silver wax (BAg-8) is 2 〇 m/s, and the image (10) shows that the laser speed is 4 mm/s, and the laser wheel is out. The cross-sectional structure of the joint portion in the case where the supply speed of 400 W and silver wax (BAg_8) is 2 〇 _ / s. 'As shown in Fig. 10 (a) to (e), it can be known that any of the conditions can be bonded to a titanium alloy (α_无钛) sheet and stainless steel via a wax material 11 (silver wax (BAg-8)). SUS630) sheet. Here, the use of the conventional wax bonding (wax bonding by heating of the heating furnace), using the 15th and 16th drawings, joining the titanium alloy (〇; one without titanium) sheet and stainless steel (SUS630) In the case of the sheet material, the structural difference between the sheet material of the titanium alloy (α-stone titanium) and the sheet material of the stainless steel (SUS630) by the method of the present embodiment is different. 2075-9232-PF 13 200836799 Figure 15 shows the section of the second and second brothers of the plate of (4) and the residual steel (s_.) with the above-mentioned general wax bonding. The construction '帛16' shows the form and connection of the embodiment of the present invention. A cross-sectional structure of a joint portion in the case of joining a sheet of titanium σ gold (α _ cold titanium) to a sheet material of stainless steel (SUS630). As shown in Fig. 2, it can be seen that in the case of the conventional general bonding, a thick intermetallic compound generating layer is formed between the parts of the human body and the ant material U. The strength of the connection & section will be reduced. On the other hand, as shown in Fig. 16, the γ A #丄 * σ error can be obtained by the method of the present embodiment, and the thickness of the generation layer 14 is reduced. According to the present embodiment, the thickness of the intermetallic compound-generating layer 14 can be made thin, so that the strength of the joint portion can be improved. Mountain 4 and, by coating the surface of the stainless steel to a lower level (about 300W~400 rating Lu, u, Μ 田田射出出, _ 4 晴左右), can also be relatively joined between the plates. The basin's laser output has become excessive. The base metal has also become easy to melt. It is: the case of the person's use of the figure η to the figure 13 is suitable for the golf club head of the shovel. "Monthly _ Applicable:; 1 figure ~ Figure 13: Iron type golf cover! 3. Upper edge, head, heel, and bottom 5. In the example of Fig. 11 and Fig. 12, the golf club body portion and the head member (surface member ^, bottom member ^, clock = ). The head main body portion is made of a soft iron "surface member" and has a thickness of titanium, and the bottom member 5a is made of a crane alloy. -

The head body portion is right and the right side W', the opening 3b, and the face member 3a is joined to the

2〇75~9232-PF 14 200836799 Face opening 3b. Thereby, the member 3a extending from the outer periphery of the WH member can be connected to the head main body portion via the VL 接合 joint portion 6c. Further, the head main portion has a bottom opening portion 31 at the bottom portion 5, and the bottom member 5a is connected to the bottom opening portion 5b. The joint portion 6d extending from the outer periphery of the member has a surface: a member 5a. And, 5a. In the body of the cup head, ".../the function of the hammer part, the thickness, the shape, etc. can be arbitrarily selected. When the brother 11 is shown in j. ^ and the golf club head J shown in the figure 12, for example, straw The forged body and other oysters are used as the cup head body and the surface member 3a on the 1st, and the bottom member 5a is made by the technique of 拎± metallurgy. The spear I uses the 4th head body~簟, , ', It is also possible to prepare a pre-made body: in contrast to the case of the above-mentioned wooden golf club head, it is preferable to use the members of the wooden golf club to be joined to the head main body portion. $ 'The joining of the face member 3a to the head body is in the head of the head I 0 μ μ; 0 仟 丰 丰 丰 体 守 , , , , , , , , , , , , , , , , , , , , , , , , The connection of the head member 3a has selectively heated the head body portion and the rod to the mouth port or its vicinity, so as to suppress the head body portion, m 捋, for the oxidation of the joint portion, preferably the surface and the inside are blown Part A is a special inert gas for Ar. The bottom member 5 a is joined to the head body, soil The bottom opening portion of the part 51) is the mouth, the mouth, and the lower part of the base member of the head of the hoe. , the joint portion of the member 5a, and, under the constant pull, selectively heating the head body portion and the bottom member 5a with the wax material

2075-9232-PP 15 200836799 The wax is melted at or near the joint. When silver wax (b"i) is used as the coffin for joining the bottom member 5a, when the silver soil is smelted, for example, the laser speed is Ws, the laser output is 5_, and the supply of silver wax is fast. 20mm/s is preferred. After the insect material is melted as described above, the material can be fixed to the head body portion by hardening the butterfly material, and the surface member 3& Each of the head body portions may be joined to each other by the above-described steps of the golf club head = surface treatment such as surface grinding, painting, etc., and the golf club head shown in FIG. 11 and FIG. In the case of the example, the golf club head member may be heated only partially, so that the heat of the soil joining can be prevented from affecting the entire member, and the strength of the member due to the wax joint can be avoided as shown in FIG. Show, can also be at the bottom:: human complex ... 53. By this 'can be along the outside of each bottom member 5a; extension: bottom member ^ paste ... is combined with the head body portion. This = stretch: joint with the brother The golf club item shown in Fig. 12 and Fig. 12 can be used to join the members to the head body portion. The golf club head of the same type shown in the figure is the same as the embodiment of the present invention. The constituent elements of the present invention are not limited to those in which all the elements are required. The configuration of the present invention is not limited to the above, and the scope of the present invention is not limited, and the scope of the present invention is hereinafter.

2075-9232-PF 16 200836799 To display, and to include all changes within the meaning and scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a top view of a golf club head according to an embodiment of the present invention. Fig. 2 is a side view of the golf club head shown in Fig. 1 as seen from the face side. • Fig. 3 is a side view of the golf club head shown in Fig. 1 as seen from the head side. Fig. 4 is an exploded perspective view of the golf club head shown in Fig. 1. Fig. 5 is a view for explaining a joining method of a crown member to a head portion of the head. Fig. 6 is a view for explaining a joining method of a face member to the head main body portion. Fig. 7 is a flow chart showing the steps of the manufacturing steps of the golf club head according to the embodiment of the present invention. Figure 8 shows an example of a relative wax bonding method. Fig. 9 shows an example of the overlapping wax bonding method. Fig. 10 (a) to (e) are cross-sectional views showing a structural example of a joint portion obtained by a relative wax bonding method. Fig. 11 is a view for explaining a joining method of the face member to the head portion of the head. Fig. 12 is a view for explaining the method of joining the hand 2075-9232-PF 17 to the bottom member of the head portion. Figure 3 is a diagram used to illustrate the method of going to the pole. ♦ The joint hand of the bottom member of the main body of the main body Fig. 14 is a diagram showing the relationship between the laser speed and the 15th. The plated fish of titanium) does not (10) adhere to the soil section of the bonded titanium alloy. Engagement of the joint of the sheet of _°)

(Fig. 16 is a partial cross-sectional view showing a joint portion in a case where a plate material of a titanium alloy slab is bonded to a plate material of stainless steel (SUS630) by a method according to an embodiment of the present invention. [Main component symbol description] 1 Nalph club head, 2 crown, 2a crown member, 2b hard opening, 3 face, 3a face member, 3b face opening, 4 side, 5 bottom, 5 a bottom member 5b bottom opening, 6a~6e joint, 2075-9232-PF 18 200836799 7 heater, 7a wax feeder, 8 preheater, 9 box parts, 10a~10d parts, 11 wax, 12 opposite parts , 1 3 overlapping portion, 14 intermetallic compound generating layer. 2075-9232-PF 19

Claims (1)

200836799 X. Patent application scope: 1. A method for manufacturing a golf club head, comprising: first and second members joined to each other by a coffin, comprising the steps of: supplying the wax material to the i-th and second members; a bonding portion; together with the wax material, selectively irradiating a laser at a joint portion of the first member and the second member or a vicinity thereof to be heated to melt the wax material; and curing the upper material to bond the first and the first The second member. The manufacturing method of the π 球 球 球 , , , 相互 相互 相互 相互 相互 弟 弟 弟 IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT IT And the above wax material together with the above-mentioned 1盥2盥# human β 4 ^ ^ ^ ^ /, the joint of the 罘ζ member or its vicinity! The laser is heated by irradiation to melt the above age and = additive hardening to join the W and the second member. 3. If you apply for patent scope 1 or 2, the manufacturing method, which is the above! The joint portion of the 1st, 2nd, 2nd, and 2nd members of the Nanlf club head is covered by the overlapping portion between the ends of the first and second members. 1 and 仏... The above-mentioned % material manufacturing method 'I::::f' refers to the golf club head of the second or second item. Further, the above-mentioned wax material is supplied. 5. The manufacturing method of the first aspect of the invention further includes the step of cutting the joint portion of the golf club head 1 and the second member described above. Previously, the above-mentioned 2075-9232-PF 20 200836799 6 was previously preheated. The ancient method as described in claim 5, wherein the manufacturing of the Alf club head by irradiating a laser is the first and the first. ^ In or near it, the above joint is heated first by the sheet. The joint portion 7 of the structure #: a method for manufacturing an Alf club head as claimed in the scope of claim i or 2, wherein the step of melting the above wax material is in the case of w, w 吊 吊 皿 皿 皿 皿In progress. 2075-9232-PF 21