JPS59193712A - 半球体の製造方法 - Google Patents

半球体の製造方法

Info

Publication number
JPS59193712A
JPS59193712A JP6974983A JP6974983A JPS59193712A JP S59193712 A JPS59193712 A JP S59193712A JP 6974983 A JP6974983 A JP 6974983A JP 6974983 A JP6974983 A JP 6974983A JP S59193712 A JPS59193712 A JP S59193712A
Authority
JP
Japan
Prior art keywords
hemisphere
semispherical
dies
die
sphere
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.)
Granted
Application number
JP6974983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0333419B2 (enrdf_load_stackoverflow
Inventor
Toshiharu Matsumoto
松本　年晴
Shigeo Iwamoto
岩本　重雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIN NIPPON KOUKIYUU KK
Original Assignee
SHIN NIPPON KOUKIYUU KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHIN NIPPON KOUKIYUU KK filed Critical SHIN NIPPON KOUKIYUU KK
Priority to JP6974983A priority Critical patent/JPS59193712A/ja
Publication of JPS59193712A publication Critical patent/JPS59193712A/ja
Publication of JPH0333419B2 publication Critical patent/JPH0333419B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B21K1/00—Making machine elements
    • B21K1/02—Making machine elements balls, rolls, or rollers, e.g. for bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP6974983A 1983-04-20 1983-04-20 半球体の製造方法 Granted JPS59193712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6974983A JPS59193712A (ja) 1983-04-20 1983-04-20 半球体の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6974983A JPS59193712A (ja) 1983-04-20 1983-04-20 半球体の製造方法

Publications (2)

Publication Number Publication Date
JPS59193712A true JPS59193712A (ja) 1984-11-02
JPH0333419B2 JPH0333419B2 (enrdf_load_stackoverflow) 1991-05-17

Family

ID=13411754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6974983A Granted JPS59193712A (ja) 1983-04-20 1983-04-20 半球体の製造方法

Country Status (1)

Country Link
JP (1) JPS59193712A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63203232A (ja) * 1987-02-17 1988-08-23 Alps Electric Co Ltd 円孤面を有するプレス部品の製造方法
JPH07185716A (ja) * 1993-12-24 1995-07-25 Supitsuku Kk 鍛造方法
CN1329136C (zh) * 2004-11-07 2007-08-01 洛阳轴承集团有限公司 利用冷挤压技术加工滚子冲头型腔的方法
DE19850155B4 (de) * 1997-10-30 2010-01-07 Ntn Corp. Gleitstück für einen Taumelscheibenkompressor und Verfahren zu dessen Herstellung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429464A (en) * 1977-08-06 1979-03-05 Nau Yuugen Automatic traverse rope hoisting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5429464A (en) * 1977-08-06 1979-03-05 Nau Yuugen Automatic traverse rope hoisting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63203232A (ja) * 1987-02-17 1988-08-23 Alps Electric Co Ltd 円孤面を有するプレス部品の製造方法
JPH07185716A (ja) * 1993-12-24 1995-07-25 Supitsuku Kk 鍛造方法
DE19850155B4 (de) * 1997-10-30 2010-01-07 Ntn Corp. Gleitstück für einen Taumelscheibenkompressor und Verfahren zu dessen Herstellung
CN1329136C (zh) * 2004-11-07 2007-08-01 洛阳轴承集团有限公司 利用冷挤压技术加工滚子冲头型腔的方法

Also Published As

Publication number Publication date
JPH0333419B2 (enrdf_load_stackoverflow) 1991-05-17

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