JPS6210741B2 - - Google Patents

Info

Publication number
JPS6210741B2
JPS6210741B2 JP22500582A JP22500582A JPS6210741B2 JP S6210741 B2 JPS6210741 B2 JP S6210741B2 JP 22500582 A JP22500582 A JP 22500582A JP 22500582 A JP22500582 A JP 22500582A JP S6210741 B2 JPS6210741 B2 JP S6210741B2
Authority
JP
Japan
Prior art keywords
hollow
extrusion
forging
hole
hollow die
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.)
Expired
Application number
JP22500582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59118239A (ja
Inventor
Shuzo Kato
Seiko Morita
Yukihiro Isogawa
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co Ltd
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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP22500582A priority Critical patent/JPS59118239A/ja
Publication of JPS59118239A publication Critical patent/JPS59118239A/ja
Publication of JPS6210741B2 publication Critical patent/JPS6210741B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP22500582A 1982-12-23 1982-12-23 鍛造方法 Granted JPS59118239A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22500582A JPS59118239A (ja) 1982-12-23 1982-12-23 鍛造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22500582A JPS59118239A (ja) 1982-12-23 1982-12-23 鍛造方法

Publications (2)

Publication Number Publication Date
JPS59118239A JPS59118239A (ja) 1984-07-07
JPS6210741B2 true JPS6210741B2 (es) 1987-03-07

Family

ID=16822584

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22500582A Granted JPS59118239A (ja) 1982-12-23 1982-12-23 鍛造方法

Country Status (1)

Country Link
JP (1) JPS59118239A (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63201434U (es) * 1987-06-18 1988-12-26
JP2020142288A (ja) * 2019-03-07 2020-09-10 愛知製鋼株式会社 打抜きポンチ、これを備える鍛造装置、これを用いる鍛造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4810937B2 (ja) 2005-09-06 2011-11-09 オムロン株式会社 開閉装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63201434U (es) * 1987-06-18 1988-12-26
JP2020142288A (ja) * 2019-03-07 2020-09-10 愛知製鋼株式会社 打抜きポンチ、これを備える鍛造装置、これを用いる鍛造方法

Also Published As

Publication number Publication date
JPS59118239A (ja) 1984-07-07

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