JPH09215786A - Golf club head and production thereof - Google Patents
Golf club head and production thereofInfo
- Publication number
- JPH09215786A JPH09215786A JP8028303A JP2830396A JPH09215786A JP H09215786 A JPH09215786 A JP H09215786A JP 8028303 A JP8028303 A JP 8028303A JP 2830396 A JP2830396 A JP 2830396A JP H09215786 A JPH09215786 A JP H09215786A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- club head
- golf club
- face
- hollow
- 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.)
- Withdrawn
Links
Landscapes
- Golf Clubs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、シャフトを取り付
けるネック部が端部に形成され内部が中空部とされる金
属製ゴルフクラブヘッドおよびその製造方法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal golf club head in which a neck portion for attaching a shaft is formed at an end and a hollow portion is formed inside, and a method of manufacturing the same.
【０００２】[0002]
【従来の技術】近年、メタルウッドと称される金属また
は合金製ヘッドを有するドライバー等のゴルフクラブ
（以下、メタルウッドという）が出現し、このメタルウ
ッドは打球の飛距離を伸ばし、方向性も正確に打ち易い
という特徴を有することから、一般に普及している。2. Description of the Related Art In recent years, golf clubs such as drivers having a metal or alloy head called metal wood (hereinafter referred to as metal wood) have appeared, and this metal wood has increased the flight distance of hit balls and has improved directionality. It is widely used because it has a feature that it is easy to hit accurately.
【０００３】特に最近では、金属または合金のうちでも
反発力および耐食性にすぐれ、かつ、軽いＴｉ（チタ
ン）またはＴｉ合金製ヘッドを有するメタルウッドが提
案されている。図１０は、この種のメタルウッドの一例
（特開昭６３−１５４１８６号で提供されたもの）を示
す図である。このＴｉまたはＴｉ合金製ヘッドは、フェ
イス面殻片１、上面殻片２およびソール面殻片３をそれ
ぞれＴｉまたはＴｉ合金をプレスすることにより作製
し、上記ソール面殻片３の内面にバランスウェイト４を
取付けた後、上記複数の殻片１，２，３を溶接により一
体化し、ＴｉまたはＴｉ合金製ヘッドを作製していた。In particular, recently, a metal wood having a head made of Ti (titanium) or Ti alloy, which is excellent in repulsive force and corrosion resistance among metals or alloys, has been proposed. FIG. 10 shows an example of this type of metal wood (provided in JP-A-63-154186). This Ti or Ti alloy head is produced by pressing the face surface shell piece 1, the top surface shell piece 2, and the sole surface shell piece 3 with Ti or Ti alloy, respectively, and a balance weight is formed on the inner surface of the sole surface shell piece 3. After attaching 4, the plurality of shell pieces 1, 2 and 3 were integrated by welding to produce a Ti or Ti alloy head.
【０００４】[0004]
【発明が解決しようとする課題】ところで、上記の従来
のゴルフクラブヘッドにおいては、以下のような解決す
べき課題が残されている。従来のゴルフクラブヘッドで
は、その重心位置を調整するために、バランスウエイト
４をゴルフクラブヘッドの内部、すなわち前記ソール面
殻片３の内面に接着や溶接によって取り付けている。し
たがって、バランスウエイト４がゴルフクラブヘッドの
内部に取り付けられているため、一度バランスウエイト
４を組み込んで完成したゴルフクラブヘッドの重心位置
を変更することが困難である。すなわち、利用者が好み
等に合わせてゴルフクラブヘッドの重心位置を微調整し
たい場合に、バランスウエイト４を取り替えることは実
質的に不可能であった。The conventional golf club head described above, however, has the following problems to be solved. In the conventional golf club head, the balance weight 4 is attached to the inside of the golf club head, that is, the inner surface of the sole surface shell piece 3 by adhesion or welding in order to adjust the position of the center of gravity. Therefore, since the balance weight 4 is attached inside the golf club head, it is difficult to change the position of the center of gravity of the golf club head completed by incorporating the balance weight 4 once. That is, when the user wants to finely adjust the position of the center of gravity of the golf club head according to his or her taste, it is practically impossible to replace the balance weight 4.
【０００５】本発明は、前述の課題に鑑みてなされたも
ので、利用者自身が重心位置の微調整を容易に行うこと
ができるゴルフクラブヘッドおよびその製造方法を提供
することを目的とする。The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a golf club head and a method for manufacturing the same, in which the user can easily finely adjust the position of the center of gravity.
【０００６】[0006]
【課題を解決するための手段】本発明は、前記課題を解
決するために以下の構成を採用した。すなわち、請求項
１記載のゴルフクラブヘッドでは、シャフトを取り付け
るネック部が端部に形成され内部が中空部とされる金属
製ゴルフクラブヘッドにおいて、前記ネック部と一体に
鍛造成形されるフェイス部材と、該フェイス部材の後端
周縁部に接合され前記中空部を形成する中空部材とから
構成され、前記フェイス部材は、Ｔｉ合金で形成され、
前記中空部材は、表面に露出した少なくとも一部がＴｉ
合金とは異なるとともに、炭素工具鋼より硬度の低い異
種材料で形成されたウエイト調整部を有している技術が
採用される。The present invention has the following features to attain the object mentioned above. That is, in the golf club head according to claim 1, in a metal golf club head in which a neck portion for mounting a shaft is formed at an end portion and a hollow portion is formed inside, a face member integrally forged with the neck portion is formed. A hollow member that is joined to a rear end peripheral portion of the face member to form the hollow portion, and the face member is formed of a Ti alloy,
At least a part of the hollow member exposed on the surface is made of Ti.
A technique is adopted which has a weight adjusting portion formed of a different material having a hardness lower than that of the carbon tool steel while being different from the alloy.
【０００７】このゴルフクラブヘッドでは、中空部材の
少なくとも一部が炭素工具鋼より高度の低い材料、例え
ばＣｕ（銅）合金等の金属、木材または樹脂等で形成さ
れているので、炭素工具鋼を刃部材料に使用したヤスリ
等の手工具で切削・研磨加工が容易である。すなわち利
用者が好み等に合わせて、中空部材の前記異種材料部分
にヤスリ等で適宜、切削加工等を施すことにより、ゴル
フクラブヘッドのウエイトバランスの微調整が可能とな
る。また、フェイス部材を、ネック部と一体に成形する
ことにより、ネック部は溶接によって形成される場合に
比べ剛性が高くなるとともに、ロフト角の製造ばらつき
が低減される。In this golf club head, since at least a part of the hollow member is formed of a material having a higher degree than carbon tool steel, for example, metal such as Cu (copper) alloy, wood, resin or the like, carbon tool steel is used. Easy to cut and polish with a hand tool such as a file used for the blade material. That is, the weight balance of the golf club head can be finely adjusted by appropriately cutting the different material portion of the hollow member with a file or the like according to the user's preference. In addition, by forming the face member integrally with the neck portion, the neck portion has higher rigidity as compared with the case where it is formed by welding, and the manufacturing variation of the loft angle is reduced.
【０００８】請求項２記載のゴルフクラブヘッドでは、
請求項１記載のゴルフクラブヘッドにおいて、前記ウエ
イト調整部は、樹脂で形成されている技術が採用され
る。According to another aspect of the golf club head of the present invention,
In the golf club head according to claim 1, the weight adjusting portion is made of resin.
【０００９】このゴルフクラブヘッドでは、ウエイト調
整部が樹脂で形成されるので射出成形により安価な製作
が可能になるとともに、低硬度なので手工具等により加
工しやすい。In this golf club head, since the weight adjusting portion is made of resin, it can be manufactured at a low cost by injection molding, and since it has a low hardness, it can be easily processed with a hand tool or the like.
【００１０】請求項３記載のゴルフクラブヘッドでは、
請求項１記載のゴルフクラブヘッドにおいて、前記中空
部材は、Ｔｉ合金で形成されたＴｉ合金部を有するとと
もに、該Ｔｉ合金部に接合された前記ウエイト調整部を
有し、該ウエイト調整部は、Ｔｉ合金より高密度の異種
金属で形成されている技術が採用される。In the golf club head according to claim 3,
The golf club head according to claim 1, wherein the hollow member has a Ti alloy portion formed of a Ti alloy, and the weight adjusting portion joined to the Ti alloy portion. A technique formed of a dissimilar metal having a higher density than that of a Ti alloy is adopted.
【００１１】このゴルフクラブヘッドでは、ウエイト調
整部がＴｉ合金より高密度の異種金属で形成されている
ので、切削加工等でウエイト調整部を少量削り取ること
により容易にウエイトバランスの微調整が可能となる。
また、Ｔｉ合金部のＴｉ合金に対して、異種材料が異な
る色合いを有するので、中空部材における少なくとも２
種類の色合いによってゴルフクラブヘッドの外観性が向
上する。In this golf club head, since the weight adjusting portion is formed of a different metal having a higher density than the Ti alloy, it is possible to easily finely adjust the weight balance by cutting a small amount of the weight adjusting portion by cutting or the like. Become.
Further, since different materials have different shades from the Ti alloy of the Ti alloy portion, at least 2 in the hollow member
The different shades improve the appearance of the golf club head.
【００１２】請求項４記載のゴルフクラブヘッドの製造
方法では、シャフトを取り付けるネック部が端部に形成
され内部が中空部とされる金属製ゴルフクラブヘッドの
製造方法において、前記ネック部と一体にフェイス部材
をＴｉ合金で鍛造成形するフェイス部材成形工程と、前
記フェイス部材の後端周縁部に接合されて前記中空部を
形成する中空部材を成形する中空部材成形工程とを具備
し、該中空部材成形工程は、前記中空部材の少なくとも
一部をＴｉ合金で形成するＴｉ合金部成形工程と、前記
Ｔｉ合金部の少なくとも表面の一部に、炭素工具鋼より
硬度が低くかつＴｉ合金より低い変形抵抗を有する異種
金属を塑性加工により接合するウエイト調整部成形工程
とを備えている技術が採用される。According to a fourth aspect of the present invention, there is provided a method of manufacturing a golf club head, wherein a neck portion to which a shaft is attached is formed at an end portion and a hollow portion is formed inside the metal golf club head. The hollow member includes a face member forming step of forging and forming a face member with a Ti alloy, and a hollow member forming step of forming a hollow member joined to the rear end peripheral portion of the face member to form the hollow portion. The forming step includes a forming step of a Ti alloy portion in which at least a part of the hollow member is formed of a Ti alloy, and a deformation resistance lower than that of carbon tool steel and lower than that of a Ti alloy on at least a part of the surface of the Ti alloy portion. A technique including a weight adjusting portion forming step of joining dissimilar metals having the above by plastic working is adopted.
【００１３】このゴルフクラブヘッドの製造方法では、
異種金属がＴｉ合金に対して低変形抵抗を有するので、
塑性加工、例えば鍛造加工時にＴｉ合金部より大きく塑
性変形して接合される。したがって、Ｔｉ合金部の形状
を維持した状態でウエイト調整部が塑性変形して接合さ
れる。In this method of manufacturing a golf club head,
Since the dissimilar metals have low deformation resistance to the Ti alloy,
At the time of plastic working, for example, forging, it is plastically deformed more than the Ti alloy portion and joined. Therefore, the weight adjusting portion is plastically deformed and joined while maintaining the shape of the Ti alloy portion.
【００１４】請求項５記載のゴルフクラブヘッドの製造
方法では、請求項４記載のゴルフクラブヘッドの製造方
法において、前記異種金属は、Ｔｉ合金より高い熱膨張
係数を有し、前記ウエイト調整部は、前記Ｔｉ合金部の
側部にはめ込まれてＵ字状に配される技術が採用され
る。According to a fifth aspect of the present invention, there is provided the method of manufacturing the golf club head according to the fourth aspect, wherein the dissimilar metal has a coefficient of thermal expansion higher than that of a Ti alloy, and the weight adjusting portion is A technique of being fitted in the side portion of the Ti alloy portion and arranged in a U shape is adopted.
【００１５】このゴルフクラブヘッドの製造方法では、
異種金属がＴｉ合金に対して高熱膨張係数であるととも
に、ウエイト調整部がＴｉ合金部の側部にはめ込まれて
Ｕ字形状を有するので、塑性加工により加熱状態でＴｉ
合金部に接合した後、冷却されてＴｉ合金部の側部を締
め付けた状態となる。したがって、ウエイト調整部がＴ
ｉ合金部に強固に接合される。また、ウエイト調整部
は、ソール部ではなく側部に設けられているので、地面
等に接触して削られることがない。In this golf club head manufacturing method,
Since the dissimilar metal has a high coefficient of thermal expansion with respect to the Ti alloy, and the weight adjusting portion is fitted into the side portion of the Ti alloy portion and has a U-shape, it is formed by heating the Ti alloy in a heated state by plastic working.
After joining to the alloy portion, it is cooled and the side portions of the Ti alloy portion are tightened. Therefore, the weight adjustment unit
It is firmly joined to the i alloy part. Further, since the weight adjusting portion is provided not on the sole portion but on the side portion, it does not come into contact with the ground or the like to be scraped.
【００１６】請求項６記載のゴルフクラブヘッドの製造
方法では、請求項５記載のゴルフクラブヘッドの製造方
法において、前記中空部材は、前記フェイス部材の周縁
部に接合される環状部材を精密鋳造で形成する環状部材
成形工程と、前記環状部材の周縁部に接合される前記Ｔ
ｉ合金部を成形するＴｉ合金部成形工程とから構成さ
れ、該Ｔｉ合金部は、前記環状部材に接合される開口部
から前記フェイス面の臨む方向と反対方向に側部の外径
が漸次狭められて形成されている技術が採用される。According to a sixth aspect of the present invention, there is provided a method of manufacturing a golf club head according to the fifth aspect, wherein the hollow member is formed by precision casting an annular member joined to a peripheral portion of the face member. Forming an annular member, and forming the annular member on the periphery of the annular member
a Ti alloy portion forming step of forming an i alloy portion, wherein the Ti alloy portion has a side portion whose outer diameter is gradually narrowed in a direction opposite to a direction facing the face surface from an opening joined to the annular member. The formed technology is adopted.
【００１７】このゴルフクラブヘッドの製造方法では、
Ｔｉ合金部が環状部材に接合される開口部からフェイス
面の臨む方向と反対方向に側部の外径が漸次狭められて
いるので、Ｔｉ合金部の側部に加工前のＵ字状ウエイト
調整部をはめ込んで塑性加工を施す際に、Ｔｉ合金部に
アンダーカットとなる部分が生じず、ウエイト調整部の
組み込み作業が容易となる。また、精密鋳造により環状
部材が形成されているので、製造における環状部材の形
状や肉厚等の設計の自由度が高い。In this golf club head manufacturing method,
Since the outer diameter of the side portion is gradually narrowed in the direction opposite to the face facing the face surface from the opening where the Ti alloy portion is joined to the annular member, the U-shaped weight adjustment before processing is performed on the side portion of the Ti alloy portion. When the portion is fitted and plastic working is performed, an undercut portion does not occur in the Ti alloy portion, so that the weight adjusting portion can be easily assembled. Further, since the annular member is formed by precision casting, there is a high degree of freedom in designing the shape and thickness of the annular member in manufacturing.
【００１８】[0018]
【発明の実施の形態】以下、本発明の第１形態を図１〜
図５を参照しながら説明する。これらの図にあって、符
号Ａはクラブヘッド、１１はフェイス部材、１２は中空
部材を示している。BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to
This will be described with reference to FIG. In these drawings, reference numeral A is a club head, 11 is a face member, and 12 is a hollow member.
【００１９】図１は、この発明を適用したクラブヘッド
Ａであって、該クラブヘッドＡは、フェイス部材１１と
中空部材１２とから構成されている。前記フェイス部材
１１は、β型Ｔｉ合金で形成されたものであって、シャ
フトＳを取り付けるネック部１１ａと一体に成形されて
いる。図２に示すように、前面をフェイス面Ｆとするフ
ェイス部１１ｂと、該フェイス部１１ｂの周縁からフェ
イス面Ｆの臨む方向と反対方向に延出するよう立ち上が
って環状に形成される立ち上げ部１１ｃとから構成され
ている。該立ち上げ部１１ｃには、四つの突出部１１ｄ
が形成されており、これらの突出部１１ｄには、雄螺子
部材Ｂが螺着される雌螺子孔１１ｅが形成されている。
また、前記フェイス部１１ｂは、その裏面Ｒが平坦状に
形成されている。FIG. 1 shows a club head A to which the present invention is applied. The club head A comprises a face member 11 and a hollow member 12. The face member 11 is made of β-type Ti alloy, and is integrally formed with the neck portion 11a to which the shaft S is attached. As shown in FIG. 2, a face portion 11b having a face surface F on the front surface, and a rising portion formed to rise from the peripheral edge of the face portion 11b in a direction opposite to the direction in which the face surface F faces and which is formed in an annular shape. 11c. The rising portion 11c has four protruding portions 11d.
The female screw holes 11e into which the male screw members B are screwed are formed in these protruding portions 11d.
The back surface R of the face portion 11b is formed flat.
【００２０】前記ネック部１１ａは、上部および下部が
それぞれ断面円形状および断面矩形状に形成され、前記
下部をフェイス部１１ｂの端部に配して設けられてい
る。また、ネック部１１ａには、機械加工によりシャフ
ト挿入穴Ｈが穿設され、該シャフト挿入孔Ｈは、ネック
部１１ａの上端から内部を貫通して下部の下端まで形成
され、適宜手段によりシャフトＳが挿入、固定される。The neck portion 11a has an upper portion and a lower portion formed in a circular cross section and a rectangular cross section, respectively, and the lower portion is provided at an end of the face portion 11b. Further, a shaft insertion hole H is formed in the neck portion 11a by machining, and the shaft insertion hole H is formed from the upper end of the neck portion 11a to the lower end through the inside thereof. Is inserted and fixed.
【００２１】なお、フェイス部材１１は、図３に示すよ
うに、β型Ｔｉ合金で形成され一端側が小径部１５ａと
された円柱状の段付丸棒１５を熱間型鍛造加工して成形
される。すなわち、段付丸棒１５を、熱間加工域まで加
熱するとともに、型鍛造加工を施し、フェイス部材１１
の所望の形状を得た後、溶体化工程を行わずに直接、時
効処理を行うことにより、所望の強度等の特性を有する
フェイス部材１１を成形する。As shown in FIG. 3, the face member 11 is formed by hot die forging a cylindrical stepped round bar 15 formed of β type Ti alloy and having a small diameter portion 15a on one end side. It That is, the stepped round bar 15 is heated up to the hot working area, and the die forging process is performed to make the face member 11
After the desired shape is obtained, the aging treatment is directly performed without performing the solution treatment, so that the face member 11 having desired characteristics such as strength is formed.
【００２２】上記フェイス部材１１の製造工程では、熱
間型鍛造後に溶体化工程を省略しているので、製造工程
が簡略化されるとともに、加工硬化および時効硬化によ
る相乗効果で強度が向上する。また、鍛造加工により成
形しているので、板金加工等と比べて、加工後も内部の
金属繊維が連続状態であるので、高い強度を維持するこ
とができる。In the manufacturing process of the face member 11, since the solution heat treatment process is omitted after the hot die forging, the manufacturing process is simplified and the strength is improved by the synergistic effect of work hardening and age hardening. Further, since the metal fibers are formed by forging, the internal metal fibers are in a continuous state even after the processing, so that high strength can be maintained as compared with sheet metal processing or the like.
【００２３】前記中空部材１２は、射出成形により樹脂
で形成されたものであり、図４に示すように、上部を形
成するクラウン部１２ａと、側部を形成するサイド部１
２ｂと、底部を形成するソール部１２ｃとが一体に形成
され、フェイス部材１１に雄螺子部材Ｂによって取り付
けられている。また、中空部材１２は、フェース部材１
１の周縁部、すなわち前記立ち上げ部１１ｃの後縁周端
部１１ｆと、中空部材１２の前端周端部１２ｄとを突き
合わせ状態に溶接することにより内部に中空部が形成さ
れる。The hollow member 12 is made of resin by injection molding, and as shown in FIG. 4, a crown portion 12a forming an upper portion and a side portion 1 forming a side portion.
2b and a sole portion 12c forming a bottom portion are integrally formed and attached to the face member 11 by a male screw member B. Further, the hollow member 12 is the face member 1
A hollow portion is formed inside by welding the peripheral edge portion of No. 1, i.e., the rear edge peripheral end portion 11f of the rising portion 11c and the front end peripheral end portion 12d of the hollow member 12 in a butted state.
【００２４】クラウン部１２ａおよびソール部１２ｃの
内側における前端周縁部１２ｄ周辺には、４つの取付用
凹部１２ｆが形成され、これらの取付用凹部１２ｆに
は、雄螺子部材Ｂが挿通される貫通孔１２ｇがそれぞれ
形成されている。したがって、クラブヘッドＡを組み立
てる際には、フェイス部材１１の立ち上げ部１１ｃの後
端周縁部１１ｆと中空部材１２の前端周縁部１２ｄとを
突き合わせ状態にするとともに、中空部材１２の取付用
凹部１２ｆにフェイス部材１１の突起部１１ｄをそれぞ
れ嵌合し、さらに雄螺子部材Ｂを貫通孔１２ｇに挿通さ
せるとともに雌螺子孔１１ｅに螺着させて中空部材１２
をフェイス部材１１に取り付けている。Four mounting recesses 12f are formed around the front end peripheral edge 12d inside the crown part 12a and the sole part 12c, and the male screw member B is inserted into these through recesses 12f. 12 g are formed respectively. Therefore, when assembling the club head A, the rear end peripheral edge portion 11f of the rising portion 11c of the face member 11 and the front end peripheral edge portion 12d of the hollow member 12 are brought into abutment with each other, and the recess 12f for mounting the hollow member 12 is formed. The protrusions 11d of the face member 11 are fitted to the hollow member 12 and the male screw member B is inserted into the through hole 12g and screwed into the female screw hole 11e.
Is attached to the face member 11.
【００２５】このクラブヘッドＡでは、中空部材１２が
炭素工具鋼より高度の低い材料、すなわち樹脂で形成さ
れているので、炭素工具鋼を刃部材料に使用したヤスリ
等の手工具で切削・研磨加工が容易である。すなわち利
用者が好み等に合わせて、中空部材１２（ウエイト調整
部）にヤスリ等で適宜、切削加工等を施すことにより、
クラブヘッドＡのウエイトバランスの微調整が可能とな
る。In this club head A, since the hollow member 12 is made of a material having a higher degree than carbon tool steel, that is, resin, it is cut and polished by a hand tool such as a filer using carbon tool steel as a blade material. Easy to process. That is, by appropriately cutting the hollow member 12 (weight adjusting portion) with a file or the like according to the user's preference,
The weight balance of the club head A can be finely adjusted.
【００２６】例えば、図５に示すように、クラブヘッド
Ａの中空部材１２において、クラウン部１２ａの後部か
つネック部１１ａ側の部分Ｘを、利用者がヤスリや彫刻
刀等で切削加工を施して、その肉厚を薄くすることによ
り、クラウン部１２ａの重量配分を変えて、クラブヘッ
ドＡの重心を加工前に比べて低くかつトウ側に移動させ
ることができる。For example, as shown in FIG. 5, in the hollow member 12 of the club head A, the user cuts the rear portion X of the crown portion 12a and the neck portion 11a side with a file or a chisel. By reducing the wall thickness, it is possible to change the weight distribution of the crown portion 12a and move the center of gravity of the club head A to the lower side and to the toe side than before processing.
【００２７】なお、フェイス部材１１は、ネック部１１
ａと一体に成形することにより、ネック部１１ａは溶接
によって形成される場合に比べ剛性が高くなるととも
に、ロフト角の製造ばらつきが低減される。また、中空
部材１２は雄螺子部材Ｂによってフェイス部材１１に取
り付けられており、前記中空部材１２を取り外して形状
や重心位置の異なる別の中空部材に交換することが可能
である。The face member 11 has a neck portion 11
By molding integrally with a, the neck portion 11a has higher rigidity as compared with the case where the neck portion 11a is formed by welding, and the manufacturing variation of the loft angle is reduced. The hollow member 12 is attached to the face member 11 by the male screw member B, and the hollow member 12 can be removed and replaced with another hollow member having a different shape and position of the center of gravity.
【００２８】次に、本発明の第２形態を図６および図７
を参照しながら説明する。これらの図にあって、符号Ｂ
はクラブヘッド、２１はフェイス部材、２２は中空部
材、２３は環状部材、２４はＴｉ合金部、２５はウエイ
ト調整部を示している。Next, a second embodiment of the present invention will be described with reference to FIGS. 6 and 7.
This will be described with reference to FIG. In these figures, the symbol B
Is a club head, 21 is a face member, 22 is a hollow member, 23 is an annular member, 24 is a Ti alloy part, and 25 is a weight adjusting part.
【００２９】第２形態と第１形態との異なる点は、図６
および図７に示すように、第２形態における中空部材２
２がフェイス部材２１の周縁部に接合された環状部材２
３と、該環状部材２３の周縁部に接合されたＴｉ合金部
２４とから構成され、それぞれ溶接によって接合されて
いる点である。The difference between the second mode and the first mode is shown in FIG.
And as shown in FIG. 7, the hollow member 2 according to the second embodiment.
2 is an annular member 2 joined to the peripheral edge of the face member 21.
3 and a Ti alloy portion 24 joined to the peripheral portion of the annular member 23, which are joined by welding.
【００３０】前記フェイス部材２１は、第１形態のフェ
イス部材１１における突起部１１ｄが形成されていない
点のみが異なっているものであり、Ｔｉ合金で形成され
ている。前記環状部材２３は、精密鋳造法（ロストワッ
クス法）により、例えばＴｉ−６％Ａｌ（アルミニウ
ム）−４％Ｖ（バナジウム）合金で形成されている。The face member 21 is different from the face member 11 of the first embodiment only in that the protrusion 11d is not formed, and is made of a Ti alloy. The annular member 23 is formed of, for example, Ti-6% Al (aluminum) -4% V (vanadium) alloy by a precision casting method (lost wax method).
【００３１】前記Ｔｉ合金部２４は、Ｔｉ合金で形成さ
れ、該Ｔｉ合金部２４には塑性加工によりウエイト調整
部２５が接合されている。また、Ｔｉ合金部２４は、環
状部材２３に接合される開口部２４ａからフェイス面Ｆ
の臨む方向と反対方向に側部の外径が漸次狭められて形
成されている。また、Ｔｉ合金部２４の側部には、図７
に示すように、その一部に流入用孔２４ｂが形成されて
いる。The Ti alloy portion 24 is made of a Ti alloy, and the weight adjusting portion 25 is joined to the Ti alloy portion 24 by plastic working. In addition, the Ti alloy portion 24 extends from the opening 24 a joined to the annular member 23 to the face surface F.
The outer diameter of the side portion is gradually narrowed in the direction opposite to the direction facing the. In addition, as shown in FIG.
As shown in, the inflow hole 24b is formed in a part thereof.
【００３２】前記ウエイト調整部２５は、Ｔｉ合金より
高い密度、低い変形抵抗および高い熱膨張係数を有する
Ｃｕ合金（異種金属）で形成され、Ｔｉ合金部２４の側
部にはめ込まれてＵ字状に形成されている。また、ウエ
イト調整部２５は、その内側が前記Ｔｉ合金部２４の流
入用孔２４ｂからＴｉ合金部２４内に膨出した状態とさ
れ、Ｔｉ合金部２４に固定されている。The weight adjusting portion 25 is made of a Cu alloy (dissimilar metal) having a higher density, a lower deformation resistance and a higher coefficient of thermal expansion than the Ti alloy, and is fitted in the side portion of the Ti alloy portion 24 to form a U-shape. Is formed in. Further, the weight adjusting portion 25 is fixed to the Ti alloy portion 24 such that the inside thereof is in a state of bulging from the inflow hole 24 b of the Ti alloy portion 24 into the Ti alloy portion 24.
【００３３】このクラブヘッドＢでは、ウエイト調整部
２５がＴｉ合金より高密度であるＣｕ合金で形成されて
いるので、切削加工等でウエイト調整部２５を少量削り
取ることにより容易にウエイトバランスの微調整が可能
となる。また、Ｔｉ合金部２４のＴｉ合金に対して、Ｃ
ｕ合金が異なる色合いを有するので、中空部材２２にお
ける２種類の色合いによってクラブヘッドの外観性が向
上する。In this club head B, the weight adjusting portion 25 is made of a Cu alloy having a higher density than that of the Ti alloy. Therefore, the weight adjusting portion 25 is easily shaved by a small amount by cutting or the like. Is possible. In addition, with respect to the Ti alloy of the Ti alloy portion 24, C
Since the u alloy has different shades, the two types of shades in the hollow member 22 improve the appearance of the club head.
【００３４】さらに、ウエイト調整部２５は、ソール部
ではなく側部に設けられているので、地面等に接触して
削られることがない。Further, since the weight adjusting portion 25 is provided not on the sole portion but on the side portion, it does not come into contact with the ground or the like and is not scraped.
【００３５】次に、本発明に係るクラブヘッドＢの製造
方法について図８および図９を参照して説明する。Next, a method of manufacturing the club head B according to the present invention will be described with reference to FIGS. 8 and 9.
【００３６】まず、図８に示すようなＣｕ合金で形成さ
れた断面台形状のＵ字状素材３０を、図９に示すよう
に、プレス装置のダイ３１における凹部３１ａの所定位
置に設置する。該凹部３１ａは、前記クラブヘッドＢの
Ｔｉ合金部２４の外形と同様の内形状とされている。さ
らに、Ｔｉ合金で形成されたＴｉ合金部２４を、前記Ｕ
字状素材２７が流入用孔２４ａに位置するようにダイ３
１の凹部３１ａ内に載置する。First, as shown in FIG. 9, a U-shaped material 30 having a trapezoidal cross section formed of a Cu alloy as shown in FIG. 8 is installed at a predetermined position of a recess 31a in a die 31 of a press machine. The recess 31a has an inner shape similar to the outer shape of the Ti alloy portion 24 of the club head B. Further, the Ti alloy portion 24 formed of the Ti alloy is attached to the U
The die 3 is placed so that the character material 27 is located in the inflow hole 24a.
1 is placed in the recess 31a.
【００３７】この状態で、パンチ３２によってＴｉ合金
部２４を内側から押圧するとともに、Ｕ字状素材３０を
塑性変形させ、Ｔｉ合金部２４とダイ３１の凹部３１ａ
との間隙を埋めるように鍛造加工して、ウエイト調整部
２５を成形する。このとき、パンチ３２が流入用孔２４
ａに位置する部分の周辺に流入用凹部３２ａを有してい
るので、塑性変形したＵ字状素材３０の一部が流入用孔
２４ａからＴｉ合金部２４の内部に流入して膨出すると
ともに、前記流入用凹部３２ａ内に充填される。したが
って、成形されたウエイト調整部２５は、Ｔｉ合金部２
４内部に膨出した部分によって該Ｔｉ合金部２４に固定
される。In this state, the punch 32 presses the Ti alloy portion 24 from the inside, and the U-shaped material 30 is plastically deformed, so that the Ti alloy portion 24 and the recess 31a of the die 31 are formed.
The weight adjusting portion 25 is formed by forging so as to fill the gap between the weight adjusting portion 25 and the. At this time, the punch 32 is inserted into the inflow hole 24.
Since the inflow concave portion 32a is provided around the portion located at a, a part of the plastically deformed U-shaped material 30 flows into the Ti alloy portion 24 through the inflow hole 24a and swells. , Is filled in the inflow recess 32a. Therefore, the formed weight adjusting portion 25 is equivalent to the Ti alloy portion 2
4 is fixed to the Ti alloy portion 24 by the bulged portion.
【００３８】この後、ウエイト調整部２５が組み込まれ
たＴｉ合金部２４、環状部材１２およびフェイス部材２
１の互いに周縁部を溶接によって接合することにより、
クラブヘッドＢが作製される。After that, the Ti alloy portion 24 incorporating the weight adjusting portion 25, the annular member 12 and the face member 2 are formed.
By joining the peripheral portions of 1 by welding,
The club head B is manufactured.
【００３９】このクラブヘッドＢの製造方法では、Ｃｕ
合金がＴｉ合金に対して低変形抵抗を有するので、鍛造
加工時にＴｉ合金部２４より大きく塑性変形して接合さ
れる。したがって、Ｔｉ合金部２４の形状を維持した状
態でウエイト調整部２５が塑性変形して接合される。In this club head B manufacturing method, Cu
Since the alloy has a low deformation resistance with respect to the Ti alloy, it is plastically deformed to a greater extent than the Ti alloy portion 24 during the forging process and is joined. Therefore, the weight adjusting portion 25 is plastically deformed and joined while maintaining the shape of the Ti alloy portion 24.
【００４０】また、ウエイト調整部２５がＴｉ合金に対
して高熱膨張係数であるとともに、Ｔｉ合金部２４の側
部にはめ込まれてＵ字形状を有するので、塑性加工によ
り加熱状態でＴｉ合金部２４に接合した後、冷却されて
Ｔｉ合金部２４の側部を締め付けた状態となる。したが
って、ウエイト調整部２５を切削加工等する際でも、該
ウエイト調整部２５がＴｉ合金部２４に強固に接合され
て剥がれ難い。Further, since the weight adjusting portion 25 has a high coefficient of thermal expansion with respect to the Ti alloy and has a U-shape by being fitted into the side portion of the Ti alloy portion 24, the Ti alloy portion 24 is heated by the plastic working in a heated state. After being joined to, the side portion of the Ti alloy portion 24 is cooled and tightened. Therefore, even when the weight adjusting portion 25 is cut or the like, the weight adjusting portion 25 is firmly bonded to the Ti alloy portion 24 and is not easily peeled off.
【００４１】さらに、Ｔｉ合金部２４が環状部材２３に
接合される開口部２４ａからフェイス面の臨む方向と反
対方向に外径が漸次狭められているので、Ｔｉ合金部２
４の側部にＵ字状素材３０をはめ込んで塑性加工により
ウエイト調整部２５を成形する際に、Ｔｉ合金部２４に
アンダーカットとなる部分が生じず、Ｕ字状素材３０の
組み込み作業が容易となる。また、環状部材２３が精密
鋳造により形成されているので、製造における環状部材
２３の形状や肉厚等の設定の自由度が高い。Further, since the outer diameter of the Ti alloy portion 24 is gradually narrowed from the opening 24a joined to the annular member 23 in the direction opposite to the direction of the face surface, the Ti alloy portion 2
When the U-shaped material 30 is fitted to the side of 4 and the weight adjusting portion 25 is formed by plastic working, the Ti alloy portion 24 does not have an undercut portion, and the work of assembling the U-shaped material 30 is easy. Becomes Further, since the annular member 23 is formed by precision casting, the degree of freedom in setting the shape, wall thickness, etc. of the annular member 23 in manufacturing is high.
【００４２】なお、本発明は、次のような実施形態をも
含むものである。 （１）第１形態におけるクラブヘッドＡの中空部材１２
は、全体を樹脂によって形成されていたが、少なくとも
一部に炭素工具鋼より硬度の低い異種材料で形成された
ウエイト調整部を有していれば構わない。例えば、中空
部材の一部を樹脂や木材で形成してもよい。The present invention also includes the following embodiments. (1) Hollow member 12 of club head A in the first embodiment
Was entirely made of resin, but at least a part thereof may have a weight adjusting portion made of a different material having a hardness lower than that of carbon tool steel. For example, a part of the hollow member may be made of resin or wood.
【００４３】（２）第２形態におけるクラブヘッドＡの
ウエイト調整部２５は、Ｃｕ合金で形成されているが、
Ｔｉ合金に比べて高密度の異種金属であれば、他の金属
でも構わない。さらに、Ｔｉ合金に比べて低熱膨張係数
および低変形抵抗を有した異種金属であれば、前述した
ように第２形態のウエイト調整部として好適である。(2) The weight adjusting portion 25 of the club head A in the second embodiment is made of Cu alloy.
Other metals may be used as long as they are different metals having a density higher than that of the Ti alloy. Furthermore, a dissimilar metal having a low coefficient of thermal expansion and a low deformation resistance as compared with the Ti alloy is suitable as the weight adjusting unit of the second form as described above.
【００４４】（３）第２形態におけるクラブヘッドＡ
は、塑性加工されたウエイト調整部２５をＴｉ合金部２
４に固定するため流入用孔２４ｂを形成しているが、塑
性変形によりウエイト調整部２５が流入してＴｉ合金部
２４に固定状態となるものなら他の形状でも構わない。
例えば、前記流入用孔２４ｂの位置に内方ほど溝幅が広
がった流入用溝を形成しておき、ウエイト調整部２５を
塑性変形させて流入用溝内に流入させ固定させてもよ
い。(3) Club head A in the second embodiment
Means that the plastically processed weight adjusting portion 25 is attached to the Ti alloy portion 2
Although the inflow hole 24b is formed for fixing to the No. 4, the other shape may be used as long as the weight adjusting portion 25 flows in by plastic deformation and is fixed to the Ti alloy portion 24.
For example, an inflow groove having a groove width that widens toward the inside may be formed at the position of the inflow hole 24b, and the weight adjusting portion 25 may be plastically deformed to flow into the inflow groove and be fixed.
【００４５】[0045]
【発明の効果】本発明によれば、以下の効果を奏する。 （１）請求項１記載のゴルフクラブヘッドによれば、中
空部材の少なくとも一部が炭素工具鋼より高度の低い材
料で形成されているので、この部分をヤスリ等の手工具
で切削・研磨加工することが容易となり、ゴルフクラブ
ヘッドのウエイトバランスを微調整することができる。
したがって、利用者が好み等に合わせてゴルフクラブヘ
ッドの重心位置を調整し、フックやスライス等の弾道の
打球が得易いゴルフクラブヘッドにすることができる。
また、フェイス部材を、ネック部と一体に成形すること
により、ネック部は溶接によって形成される場合に比べ
剛性が高くなるとともに、ロフト角の製造ばらつきが低
減される。According to the present invention, the following effects can be obtained. (1) According to the golf club head of claim 1, since at least a part of the hollow member is formed of a material having a higher degree than the carbon tool steel, this part is cut / polished with a hand tool such as a file. Therefore, the weight balance of the golf club head can be finely adjusted.
Therefore, the user can adjust the position of the center of gravity of the golf club head according to his or her preference, and the golf club head can easily obtain a ball-hit ball such as a hook or slice.
In addition, by forming the face member integrally with the neck portion, the neck portion has higher rigidity as compared with the case where it is formed by welding, and the manufacturing variation of the loft angle is reduced.
【００４６】（２）請求項２記載のゴルフクラブヘッド
によれば、ウエイト調整部を樹脂で形成するので射出成
形により量産性が高まり、安価な製作が可能になるとと
もに、低硬度なので手工具等による加工性をさらに向上
させることができる。(2) According to the golf club head of the second aspect, since the weight adjusting portion is made of resin, mass productivity is improved by injection molding, inexpensive manufacturing is possible, and the hardness is low, so that a hand tool or the like is used. The workability due to can be further improved.
【００４７】（３）請求項３記載のゴルフクラブヘッド
によれば、ウエイト調整部がＴｉ合金より高密度の異種
金属で形成されているので、切削加工等でウエイト調整
部を少量削り取ることにより容易にウエイトバランスを
微調整することができる。また、Ｔｉ合金部のＴｉ合金
に対して、中空部材の異種材料が異なる色合いを有する
ので、中空部材における少なくとも２種類の色合いによ
ってゴルフクラブヘッドの外観性を向上させることがで
きるとともに、デザインの自由度を高めることができ
る。(3) According to the golf club head of the third aspect, since the weight adjusting portion is formed of a different metal having a higher density than the Ti alloy, the weight adjusting portion can be easily shaved by cutting or the like. The weight balance can be finely adjusted. Further, since the different materials of the hollow member have different shades with respect to the Ti alloy of the Ti alloy portion, the appearance of the golf club head can be improved by at least two kinds of shades in the hollow member, and the design freedom can be improved. You can increase the degree.
【００４８】（４）請求項４記載のゴルフクラブヘッド
の製造方法によれば、異種金属がＴｉ合金に対して低変
形抵抗を有するので、塑性加工時にＴｉ合金部の形状を
維持した状態でウエイト調整部を塑性変形させて接合さ
せることができる。(4) According to the method of manufacturing the golf club head of claim 4, since the dissimilar metal has a low deformation resistance with respect to the Ti alloy, the weight is maintained in a state where the shape of the Ti alloy portion is maintained during the plastic working. The adjusting portion can be plastically deformed and joined.
【００４９】（５）請求項５記載のゴルフクラブヘッド
の製造方法によれば、異種金属がＴｉ合金に対して高熱
膨張係数であるとともに、ウエイト調整部がＴｉ合金部
の側部にはめ込まれてＵ字形状を有するので、塑性加工
後にＴｉ合金部の側部を締め付けた状態となり、ウエイ
ト調整部を切削加工等する際でも、該ウエイト調整部が
Ｔｉ合金部に強固に接合されているので剥がれ難くな
る。また、ウエイト調整部は、ソール部ではなく側部に
設けられているので、地面等に接触して削られることが
なく、外観性を維持することができる。(5) According to the method of manufacturing a golf club head of claim 5, the dissimilar metal has a high coefficient of thermal expansion with respect to the Ti alloy, and the weight adjusting portion is fitted to the side portion of the Ti alloy portion. Since it has a U-shape, the side portions of the Ti alloy portion are clamped after plastic working, and even when the weight adjusting portion is cut, the weight adjusting portion is firmly joined to the Ti alloy portion and therefore peels off. It will be difficult. Further, since the weight adjusting portion is provided not on the sole portion but on the side portion, the weight adjusting portion is not contacted with the ground or the like and is not scraped, and the appearance can be maintained.
【００５０】（６）請求項６記載のゴルフクラブヘッド
の製造方法によれば、Ｔｉ合金部が環状部材に接合され
る開口部からフェイス面の臨む方向と反対方向に外径が
漸次狭められているので、ウエイト調整部を成形する際
に、Ｔｉ合金部にアンダーカットとなる部分が生じず、
ウエイト調整部の組み込み作業が容易となり、作業性に
優れている。また、精密鋳造により環状部材が形成され
ているので、環状部材の形状や肉厚等の設計の自由度を
高めることができる。(6) According to the method of manufacturing a golf club head of claim 6, the outer diameter of the Ti alloy portion is gradually narrowed in the direction opposite to the direction of the face surface from the opening joined to the annular member. Since there is no undercut in the Ti alloy part when the weight adjusting part is formed,
The weight adjustment part can be easily installed, and it has excellent workability. Further, since the annular member is formed by precision casting, it is possible to increase the degree of freedom in designing the shape and thickness of the annular member.
【図１】本発明に係るゴルフクラブヘッドの第１形態を
示す斜視図である。FIG. 1 is a perspective view showing a first mode of a golf club head according to the present invention.
【図２】本発明に係るゴルフクラブヘッドの第１形態に
おけるフェイス部材を示す斜視図である。FIG. 2 is a perspective view showing a face member in a first mode of the golf club head according to the present invention.
【図３】本発明に係るゴルフクラブヘッドの第１形態に
おけるフェイス部材の素材である段付丸棒を示す斜視図
である。FIG. 3 is a perspective view showing a stepped round bar which is a material of a face member in the first mode of the golf club head according to the present invention.
【図４】本発明に係るゴルフクラブヘッドの第１形態に
おける中空部材を示す斜視図である。FIG. 4 is a perspective view showing a hollow member in the first embodiment of the golf club head according to the present invention.
【図５】本発明に係るゴルフクラブヘッドの第１形態に
おける中空部材を切削加工した状態のゴルフクラブを示
す斜視図である。FIG. 5 is a perspective view showing a golf club in a state where the hollow member in the first mode of the golf club head according to the present invention is cut.
【図６】本発明に係るゴルフクラブヘッドの第２形態を
示す正面図である。FIG. 6 is a front view showing a second mode of the golf club head according to the present invention.
【図７】本発明に係るゴルフクラブヘッドの第２形態を
示す分解縦断面図である。FIG. 7 is an exploded vertical sectional view showing a second mode of the golf club head according to the present invention.
【図８】本発明に係るゴルフクラブヘッドの第２形態に
おけるウエイト調整部の素材であるＵ字状素材を示す斜
視図である。FIG. 8 is a perspective view showing a U-shaped material which is a material of the weight adjusting portion in the second mode of the golf club head according to the present invention.
【図９】本発明に係るゴルフクラブヘッドの第２形態に
おけるウエイト調整部の塑性加工を示す加工前後の縦断
面図である。FIG. 9 is a vertical cross-sectional view before and after processing showing plastic working of the weight adjusting portion in the second mode of the golf club head according to the present invention.
【図１０】本発明に係るゴルフクラブヘッドの従来例を
示す分解斜視図である。FIG. 10 is an exploded perspective view showing a conventional example of a golf club head according to the present invention.
１１、２１ フェイス部材 １１ａ ネック部 １１ｂ フェイス部 １１ｃ 立ち上げ部 １１ｆ 後端周縁部 １２、２２ 中空部材 １２ｄ 前端周縁部 ２３ 環状部材 ２４ Ｔｉ合金部 ２５ ウエイト調整部 ３０ Ｕ字状素材 Ａ、Ｂ ゴルフクラブヘッド Ｆ フェイス面 Ｈ シャフト挿入穴 11, 21 Face member 11a Neck part 11b Face part 11c Standing part 11f Rear end peripheral part 12, 22 Hollow member 12d Front end peripheral part 23 Annular member 24 Ti alloy part 25 Weight adjusting part 30 U-shaped material A, B Golf club Head F Face surface H Shaft insertion hole
Claims (6)
形成され内部が中空部とされる金属製ゴルフクラブヘッ
ドにおいて、 前記ネック部と一体に鍛造成形されるフェイス部材と、
該フェイス部材の後端周縁部に接合され前記中空部を形
成する中空部材とから構成され、 前記フェイス部材は、Ｔｉ合金で形成され、 前記中空部材は、表面に露出した少なくとも一部がＴｉ
合金とは異なるとともに、炭素工具鋼より硬度の低い異
種材料で形成されたウエイト調整部を有していることを
特徴とするゴルフクラブヘッド。1. A metal golf club head having a neck portion to which a shaft is attached at an end portion and a hollow portion inside, a face member integrally forged with the neck portion,
The face member is formed of a Ti alloy, and the face member is made of a Ti alloy. At least a part of the hollow member exposed on the surface is made of Ti.
A golf club head having a weight adjusting portion formed of a different material that is different from an alloy and has a hardness lower than that of carbon tool steel.
いて、 前記ウエイト調整部は、樹脂で形成されていることを特
徴とするゴルフクラブヘッド。2. The golf club head according to claim 1, wherein the weight adjusting portion is made of resin.
いて、 前記中空部材は、Ｔｉ合金で形成されたＴｉ合金部を有
するとともに、該Ｔｉ合金部に接合された前記ウエイト
調整部を有し、 該ウエイト調整部は、Ｔｉ合金より高密度の異種金属で
形成されていることを特徴とするゴルフクラブヘッド。3. The golf club head according to claim 1, wherein the hollow member has a Ti alloy portion formed of a Ti alloy, and the weight adjusting portion joined to the Ti alloy portion, The golf club head, wherein the weight adjusting portion is made of a different metal having a higher density than that of the Ti alloy.
形成され内部が中空部とされる金属製ゴルフクラブヘッ
ドの製造方法において、 前記ネック部と一体にフェイス部材をＴｉ合金で鍛造成
形するフェイス部材成形工程と、 前記フェイス部材の後端周縁部に接合されて前記中空部
を形成する中空部材を成形する中空部材成形工程とを具
備し、 該中空部材成形工程は、前記中空部材の少なくとも一部
をＴｉ合金で形成するＴｉ合金部成形工程と、 前記Ｔｉ合金部の少なくとも表面の一部に、炭素工具鋼
より硬度が低くかつＴｉ合金より低い変形抵抗を有する
異種金属を塑性加工により接合するウエイト調整部成形
工程とを備えていることを特徴とするゴルフクラブヘッ
ドの製造方法。4. A method for manufacturing a metal golf club head, wherein a neck portion to which a shaft is attached is formed at an end portion and a hollow portion is formed inside, and a face member integrally formed with the neck portion by forging a face alloy with a Ti alloy. A hollow member molding step of molding a hollow member joined to the rear end peripheral portion of the face member to form the hollow portion, wherein the hollow member molding step comprises at least a part of the hollow member. Forming a Ti alloy part with a Ti alloy part, and a weight for joining, by plastic working, at least a part of the surface of the Ti alloy part with a dissimilar metal having a lower hardness than carbon tool steel and a deformation resistance lower than that of the Ti alloy. And a step of forming an adjusting portion.
造方法において、 前記異種金属は、Ｔｉ合金より高い熱膨張係数を有し、 前記ウエイト調整部は、前記Ｔｉ合金部の側部にはめ込
まれてＵ字状に配されることを特徴とするゴルフクラブ
ヘッドの製造方法。5. The golf club head manufacturing method according to claim 4, wherein the dissimilar metal has a higher coefficient of thermal expansion than a Ti alloy, and the weight adjusting portion is fitted to a side portion of the Ti alloy portion. A method for manufacturing a golf club head, wherein the golf club head is arranged in a U shape.
造方法において、 前記中空部材は、前記フェイス部材の周縁部に接合され
る環状部材を精密鋳造で形成する環状部材成形工程と、 前記環状部材の周縁部に接合される前記Ｔｉ合金部を成
形するＴｉ合金部成形工程とから構成され、 該Ｔｉ合金部は、前記環状部材に接合される開口部から
前記フェイス面の臨む方向と反対方向に側部の外径が漸
次狭められて形成されていることを特徴とするゴルフク
ラブヘッドの製造方法。6. The method for manufacturing a golf club head according to claim 5, wherein the hollow member includes an annular member molding step of forming an annular member joined to a peripheral portion of the face member by precision casting, and the annular member. A Ti alloy portion forming step of forming the Ti alloy portion to be joined to the peripheral edge portion of the Ti alloy portion, wherein the Ti alloy portion is formed in a direction opposite to the face facing the face surface from the opening joined to the annular member. A method for manufacturing a golf club head, wherein the outer diameter of the side portion is formed to be gradually narrowed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8028303A JPH09215786A (en) | 1996-02-15 | 1996-02-15 | Golf club head and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8028303A JPH09215786A (en) | 1996-02-15 | 1996-02-15 | Golf club head and production thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09215786A true JPH09215786A (en) | 1997-08-19 |
Family
ID=12244861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8028303A Withdrawn JPH09215786A (en) | 1996-02-15 | 1996-02-15 | Golf club head and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09215786A (en) |
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