JPH0462813B2 - - Google Patents

Info

Publication number
JPH0462813B2
JPH0462813B2 JP24487384A JP24487384A JPH0462813B2 JP H0462813 B2 JPH0462813 B2 JP H0462813B2 JP 24487384 A JP24487384 A JP 24487384A JP 24487384 A JP24487384 A JP 24487384A JP H0462813 B2 JPH0462813 B2 JP H0462813B2
Authority
JP
Japan
Prior art keywords
punch
pin hole
split pin
diameter portion
recess
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
JP24487384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61180638A (ja
Inventor
Toshio Furukawa
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 JP24487384A priority Critical patent/JPS61180638A/ja
Publication of JPS61180638A publication Critical patent/JPS61180638A/ja
Publication of JPH0462813B2 publication Critical patent/JPH0462813B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Forging (AREA)
JP24487384A 1984-11-20 1984-11-20 ボルト類の割りピン穴加工方法 Granted JPS61180638A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24487384A JPS61180638A (ja) 1984-11-20 1984-11-20 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
JP24487384A JPS61180638A (ja) 1984-11-20 1984-11-20 ボルト類の割りピン穴加工方法

Publications (2)

Publication Number Publication Date
JPS61180638A JPS61180638A (ja) 1986-08-13
JPH0462813B2 true JPH0462813B2 (en:Method) 1992-10-07

Family

ID=17125267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24487384A Granted JPS61180638A (ja) 1984-11-20 1984-11-20 ボルト類の割りピン穴加工方法

Country Status (1)

Country Link
JP (1) JPS61180638A (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436296B (zh) * 2015-12-30 2017-11-03 中车眉山车辆有限公司 一种铁路货车扁孔圆销在曲柄压力机上冲孔的工装

Also Published As

Publication number Publication date
JPS61180638A (ja) 1986-08-13

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