JP5788377B2 - 共鍛造ゴルフクラブヘッドおよびその製造方法 - Google Patents
共鍛造ゴルフクラブヘッドおよびその製造方法 Download PDFInfo
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- JP5788377B2 JP5788377B2 JP2012258092A JP2012258092A JP5788377B2 JP 5788377 B2 JP5788377 B2 JP 5788377B2 JP 2012258092 A JP2012258092 A JP 2012258092A JP 2012258092 A JP2012258092 A JP 2012258092A JP 5788377 B2 JP5788377 B2 JP 5788377B2
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- golf club
- club head
- forging
- flow stress
- weight adjustment
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
- A63B60/02—Ballast means for adjusting the centre of mass
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B53/047—Heads iron-type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K17/00—Making sport articles, e.g. skates
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B53/00—Golf clubs
- A63B53/04—Heads
- A63B2053/0491—Heads with added weights, e.g. changeable, replaceable
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Golf Clubs (AREA)
Description
上記筒状のビレットを鍛造して上記ゴルフクラブヘッドの本体部分を形成するステップとを有し、上記本体部分が上記ウエイト調整部分を、どのような他の結合操作を行うことなしに、上記本体部分内にモノリシックに包み上記ゴルフクラブヘッドを鍛造する方法である。
Yf=Ken
ただし、Yf=流動応力(MPa)
K=歪み係数(MPa)
N=歪み硬化指数(Strain Hardening Exponent)
以下、ここで説明された技術的な特徴を列挙する。
[技術的特徴1]
打撃フェースを含み第1の材料から製造される本体部分と、
上記本体部分内に包まれる、第2の材料から製造される少なくとも1つのウエイト調整部分とを有し、
上記少なくとも1つのウエイト調整部分は、どのような他の結合操作を行うことなしに、上記本体部分内にモノリシックに包み込まれることを特徴とする鍛造ゴルフクラブヘッド。
[技術的特徴2]
上記少なくとも1つのウエイト調整部分と上記本体部分との間の界面は不規則な界面を形成する技術的特徴1記載の鍛造ゴルフクラブヘッド。
[技術的特徴3]
上記少なくとも1つのウエイト調整部分は、上記クラブヘッドのソールの近くに配置される技術的特徴2記載の鍛造ゴルフクラブヘッド。
[技術的特徴4]
上記少なくとも1つのウエイト調整部分は、上記クラブヘッドの上記ソールのヒール部分の近くに配置される技術的特徴3記載の鍛造ゴルフクラブヘッド。
[技術的特徴5]
上記少なくとも1つのウエイト調整部分は、上記クラブヘッドの上記ソールのトウ部分の近くに配置される技術的特徴3記載の鍛造ゴルフクラブヘッド。
[技術的特徴6]
上記第1の材料は第1の鍛造温度で第1の流動応力を伴い、上記第2の材料は第2の鍛造温度で第2の流動応力を伴い、
上記第1の流動応力および上記第2の流動応力は相互に実質的に類似であり、
上記第1の鍛造温度および上記第2の鍛造温度は相互に実質的に類似である技術的特徴1記載の鍛造ゴルフクラブヘッド。
[技術的特徴7]
上記第1の流動応力および上記第2の流動応力は相互に異なる技術的特徴6記載の鍛造ゴルフクラブヘッド。
[技術的特徴8]
上記第1の流動応力は68.95MPa(10ksi)であり、上記第1の鍛造温度は1200°Cであり、上記第2の流動応力は68.95MPa(10ksi)であり、上記第1の鍛造温度は1100°Cである技術的特徴6記載の鍛造ゴルフクラブヘッド。
[技術的特徴9]
上記第1の材料は第1の熱膨張係数を伴い、上記第2の材料は第2の熱膨張係数を伴い、
上記第1の熱膨張係数は上記第2の熱膨張係数より大きいか等しい技術的特徴1記載の鍛造ゴルフクラブヘッド。
[技術的特徴10]
上記第1の熱膨張係数は14.4×10−6/℃(8.0μin/in°F)であり、上記第2の熱膨張係数は11.0×10−6/℃(6.1μin/in°F)である技術的特徴9記載の鍛造ゴルフクラブヘッド。
[技術的特徴11]
ゴルフクラブヘッドを鍛造する方法において、
第1の材料から製造される筒状のビレットを形成するステップと、
上記筒状のビレット内に1または複数のキャビティを機械加工して形成するステップと、
上記1または複数のキャビティを第2の材料で部分的に充填してウエイト調整部分を形成するステップと、
上記1または複数のキャビティの残りの容積を上記第1の材料で充填して上記ウエイト調整部分を包み込むステップと、
上記筒状のビレットを鍛造して上記ゴルフクラブヘッドの本体部分を形成するステップとを有し、
上記本体部分が上記ウエイト調整部分を、どのような他の結合操作を行うことなしに、上記本体部分内にモノリシックに包みこむことを特徴とする上記ゴルフクラブヘッドを鍛造する方法。
[技術的特徴12]
上記本体部分と上記少なくとも1つのウエイト調整部分との間の界面は不規則な界面を形成する技術的特徴11記載のゴルフクラブヘッドを鍛造する方法。
[技術的特徴13]
上記第1の材料は第1の鍛造温度で第1の流動応力を伴い、上記第2の材料は第2の鍛造温度で第2の流動応力を伴い、
上記第1の流動応力および上記第2の流動応力は相互に実質的に類似であり、
上記第1の鍛造温度および上記第2の鍛造温度は相互に実質的に類似である技術的特徴11記載のゴルフクラブヘッドを鍛造する方法。
[技術的特徴14]
上記第1の流動応力および上記第2の流動応力は相互に異なる技術的特徴13記載のゴルフクラブヘッドを鍛造する方法。
[技術的特徴15]
上記第1の流動応力は6.895MPa(10ksi)であり、上記第1の鍛造温度は1200°Cであり、上記第2の流動応力は6.895MPa(10ksi)であり、上記第1の鍛造温度は1100°Cである技術的特徴13記載のゴルフクラブヘッドを鍛造する方法。
[技術的特徴16]
上記第1の材料は第1の熱膨張係数を伴い、上記第2の材料は第2の熱膨張係数を伴い、
上記第1の熱膨張係数は上記第2の熱膨張係数より大きいか等しい技術的特徴11記載のゴルフクラブヘッドを鍛造する方法。
[技術的特徴17]
上記第1の熱膨張係数は14.4×10−6/℃(8.0μin/in°F)であり、上記第2の熱膨張係数は11.0×10−6/℃(6.1μin/in°F)である技術的特徴16記載のゴルフクラブヘッドを鍛造する方法。
[技術的特徴18]
打撃フェースを含み第1の材料から製造される本体部分と、
上記本体部分内に包まれる、第2の材料から製造される少なくとも1つのウエイト調整部分とを有し、
上記少なくとも1つのウエイト調整部分は、どのような他の結合操作を行うことなしに、上記本体部分内にモノリシックに包み込まれ、
上記第1の材料は第1の鍛造温度で第1の流動応力を伴い、上記第2の材料は第2の鍛造温度で第2の流動応力を伴い、
上記第1の流動応力および上記第2の流動応力は相互に実質的に類似であり、
上記第1の鍛造温度および上記第2の鍛造温度は相互に実質的に類似であり、
上記第1の材料は第1の熱膨張係数を伴い、上記第2の材料は第2の熱膨張係数を伴い、
上記第1の熱膨張係数は上記第2の熱膨張係数より大きいか等しいことを特徴とする鍛造ゴルフクラブヘッド。
[技術的特徴19]
上記本体部分と上記少なくとも1つのウエイト調整部分との間の界面は不規則な界面を形成する技術的特徴18記載の鍛造ゴルフクラブヘッド。
102 本体部分
104 ホーゼル部分
106 トップライン部分
108 ソール部分
110 ヒール部分
112 トウ部分
200 ゴルフクラブヘッド
201 ビレット
202 本体部分
210 ヒール部分
212 トウ部分
215 ウエイト調整部分
216 キャビティ
Claims (1)
- 打撃フェースを含み、密度が7.8g/ccで1200°Cの鍛造温度における流動応力が69MPa(10ksi)のスチールである第1の材料から製造される本体部分と、
上記本体部分内に包まれる、密度が7.8g/ccより大きい第2の材料から製造される少なくとも1つのウエイト調整部分とを有し、
上記少なくとも1つのウエイト調整部分は、どのような他の結合操作を行うことなしに、上記本体部分内にモノリシックに包み込まれ、
上記第1の材料は第1の鍛造温度で第1の流動応力を伴い、上記第2の材料は第2の鍛造温度で第2の流動応力を伴い、
上記第2の流動応力は、上記第1の流動応力より20%以下だけ大きいか、または、上記第1の流動応力より20%以下だけ小さく、
上記第1の鍛造温度および上記第2の鍛造温度は共鍛造が可能な程度に相互に実質的に類似であり、
上記第1の材料は第1の熱膨張係数を伴い、上記第2の材料は第2の熱膨張係数を伴い、
上記第1の熱膨張係数は上記第2の熱膨張係数より大きいか等しく、
かつ上記本体部分と上記少なくとも1つのウエイト調整部分との間の鍛造後の界面が不規則な界面を形成することを特徴とする鍛造ゴルフクラブヘッド。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/305,087 US8926451B2 (en) | 2011-11-28 | 2011-11-28 | Co-forged golf club head and method of manufacture |
US13/305,087 | 2011-11-28 |
Publications (2)
Publication Number | Publication Date |
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JP2013144102A JP2013144102A (ja) | 2013-07-25 |
JP5788377B2 true JP5788377B2 (ja) | 2015-09-30 |
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JP2012258092A Active JP5788377B2 (ja) | 2011-11-28 | 2012-11-27 | 共鍛造ゴルフクラブヘッドおよびその製造方法 |
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US (2) | US8926451B2 (ja) |
JP (1) | JP5788377B2 (ja) |
CN (1) | CN103127672B (ja) |
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US9387370B2 (en) * | 2011-11-28 | 2016-07-12 | Acushnet Company | Co-forged golf club head and method of manufacture |
US8926451B2 (en) | 2011-11-28 | 2015-01-06 | Acushnet Company | Co-forged golf club head and method of manufacture |
US8434671B1 (en) * | 2012-08-07 | 2013-05-07 | Chi-Hung Su | Manufacturing method of a forged golf club head |
-
2011
- 2011-11-28 US US13/305,087 patent/US8926451B2/en active Active
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- 2012-11-27 JP JP2012258092A patent/JP5788377B2/ja active Active
- 2012-11-28 CN CN201210599095.4A patent/CN103127672B/zh active Active
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Publication number | Publication date |
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CN103127672A (zh) | 2013-06-05 |
US20150119164A1 (en) | 2015-04-30 |
CN103127672B (zh) | 2016-09-07 |
JP2013144102A (ja) | 2013-07-25 |
US20130137532A1 (en) | 2013-05-30 |
US8926451B2 (en) | 2015-01-06 |
US9616304B2 (en) | 2017-04-11 |
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