JPS625693B2 - - Google Patents

Info

Publication number
JPS625693B2
JPS625693B2 JP6217982A JP6217982A JPS625693B2 JP S625693 B2 JPS625693 B2 JP S625693B2 JP 6217982 A JP6217982 A JP 6217982A JP 6217982 A JP6217982 A JP 6217982A JP S625693 B2 JPS625693 B2 JP S625693B2
Authority
JP
Japan
Prior art keywords
piercing
hole
pin
diameter
head
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
JP6217982A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58179533A (ja
Inventor
Yoshiichi Sakamura
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.)
Sakamura Machinery Co Ltd
Original Assignee
Sakamura Machinery 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 Sakamura Machinery Co Ltd filed Critical Sakamura Machinery Co Ltd
Priority to JP6217982A priority Critical patent/JPS58179533A/ja
Publication of JPS58179533A publication Critical patent/JPS58179533A/ja
Publication of JPS625693B2 publication Critical patent/JPS625693B2/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
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
JP6217982A 1982-04-13 1982-04-13 ホ−マ−におけるピアシング孔径探知方法及び装置 Granted JPS58179533A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6217982A JPS58179533A (ja) 1982-04-13 1982-04-13 ホ−マ−におけるピアシング孔径探知方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6217982A JPS58179533A (ja) 1982-04-13 1982-04-13 ホ−マ−におけるピアシング孔径探知方法及び装置

Publications (2)

Publication Number Publication Date
JPS58179533A JPS58179533A (ja) 1983-10-20
JPS625693B2 true JPS625693B2 (enrdf_load_html_response) 1987-02-06

Family

ID=13192637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6217982A Granted JPS58179533A (ja) 1982-04-13 1982-04-13 ホ−マ−におけるピアシング孔径探知方法及び装置

Country Status (1)

Country Link
JP (1) JPS58179533A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS58179533A (ja) 1983-10-20

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