JPH0462814B2 - - Google Patents

Info

Publication number
JPH0462814B2
JPH0462814B2 JP25367684A JP25367684A JPH0462814B2 JP H0462814 B2 JPH0462814 B2 JP H0462814B2 JP 25367684 A JP25367684 A JP 25367684A JP 25367684 A JP25367684 A JP 25367684A JP H0462814 B2 JPH0462814 B2 JP H0462814B2
Authority
JP
Japan
Prior art keywords
punch
split pin
groove
punching
diameter portion
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
JP25367684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61132240A (ja
Inventor
Koichi Fujimaki
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.)
Rhythm Motor Parts Manufacturing Co Ltd
Original Assignee
Rhythm Motor Parts Manufacturing 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 Rhythm Motor Parts Manufacturing Co Ltd filed Critical Rhythm Motor Parts Manufacturing Co Ltd
Priority to JP25367684A priority Critical patent/JPS61132240A/ja
Publication of JPS61132240A publication Critical patent/JPS61132240A/ja
Publication of JPH0462814B2 publication Critical patent/JPH0462814B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
  • Forging (AREA)
JP25367684A 1984-11-30 1984-11-30 ボルト類の割りピン穴加工方法 Granted JPS61132240A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25367684A JPS61132240A (ja) 1984-11-30 1984-11-30 ボルト類の割りピン穴加工方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25367684A JPS61132240A (ja) 1984-11-30 1984-11-30 ボルト類の割りピン穴加工方法

Publications (2)

Publication Number Publication Date
JPS61132240A JPS61132240A (ja) 1986-06-19
JPH0462814B2 true JPH0462814B2 (enrdf_load_stackoverflow) 1992-10-07

Family

ID=17254613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25367684A Granted JPS61132240A (ja) 1984-11-30 1984-11-30 ボルト類の割りピン穴加工方法

Country Status (1)

Country Link
JP (1) JPS61132240A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03216231A (ja) * 1990-01-19 1991-09-24 Sakamura Kikai Seisakusho:Kk 軸状部品の製造方法

Also Published As

Publication number Publication date
JPS61132240A (ja) 1986-06-19

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