JPS54104092A - Improvement of punching accuracy - Google Patents

Improvement of punching accuracy

Info

Publication number
JPS54104092A
JPS54104092A JP927078A JP927078A JPS54104092A JP S54104092 A JPS54104092 A JP S54104092A JP 927078 A JP927078 A JP 927078A JP 927078 A JP927078 A JP 927078A JP S54104092 A JPS54104092 A JP S54104092A
Authority
JP
Japan
Prior art keywords
hole
punch
board
improvement
mandrel
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
JP927078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6261370B2 (enrdf_load_stackoverflow
Inventor
Keiichi Nakamura
Kunio Fukami
Tatsuo Nakane
Izumi Ochiai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP927078A priority Critical patent/JPS54104092A/ja
Publication of JPS54104092A publication Critical patent/JPS54104092A/ja
Publication of JPS6261370B2 publication Critical patent/JPS6261370B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Punching Or Piercing (AREA)
JP927078A 1978-02-01 1978-02-01 Improvement of punching accuracy Granted JPS54104092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP927078A JPS54104092A (en) 1978-02-01 1978-02-01 Improvement of punching accuracy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP927078A JPS54104092A (en) 1978-02-01 1978-02-01 Improvement of punching accuracy

Publications (2)

Publication Number Publication Date
JPS54104092A true JPS54104092A (en) 1979-08-15
JPS6261370B2 JPS6261370B2 (enrdf_load_stackoverflow) 1987-12-21

Family

ID=11715752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP927078A Granted JPS54104092A (en) 1978-02-01 1978-02-01 Improvement of punching accuracy

Country Status (1)

Country Link
JP (1) JPS54104092A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791829A (en) * 1980-11-26 1982-06-08 Anritsu Corp Turret punch press machine
EP1649990A1 (fr) * 2004-10-21 2006-04-26 Compagnie Plastic Omnium Procédé de fabrication d'une pièce peinte en matière plastique pour l'industrie automobile, comportant un orifice ayant une embouchure rayonnée et pièce ainsi obtenue
JP2011218373A (ja) * 2010-04-05 2011-11-04 Nippon Steel Corp コイニング加工方法及びその装置
JP2013130388A (ja) * 2003-03-03 2013-07-04 Schott Ag 金属固定材ブッシュ及び金属固定材ブッシュの心材を製造する方法
WO2014111243A3 (de) * 2013-01-16 2014-09-12 Rehau Ag + Co Verfahren zum runden von kanten an polymeren kfz-bauteilen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431033U (enrdf_load_stackoverflow) * 1977-08-03 1979-03-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431033U (enrdf_load_stackoverflow) * 1977-08-03 1979-03-01

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5791829A (en) * 1980-11-26 1982-06-08 Anritsu Corp Turret punch press machine
JP2013130388A (ja) * 2003-03-03 2013-07-04 Schott Ag 金属固定材ブッシュ及び金属固定材ブッシュの心材を製造する方法
EP1649990A1 (fr) * 2004-10-21 2006-04-26 Compagnie Plastic Omnium Procédé de fabrication d'une pièce peinte en matière plastique pour l'industrie automobile, comportant un orifice ayant une embouchure rayonnée et pièce ainsi obtenue
FR2876928A1 (fr) * 2004-10-21 2006-04-28 Plastic Omnium Cie Procede de fabrication d'une piece peinte en matiere plastique pour l'industrie automobile, comportant un orifice ayant une embouchure rayonnee et piece ainsi obtenue
US8555506B2 (en) 2004-10-21 2013-10-15 Compagnie Plastic Omnium Method of manufacturing a painted plastics material part for the automobile industry, the part including an orifice with a rounded edge, and a part obtained thereby
JP2011218373A (ja) * 2010-04-05 2011-11-04 Nippon Steel Corp コイニング加工方法及びその装置
WO2014111243A3 (de) * 2013-01-16 2014-09-12 Rehau Ag + Co Verfahren zum runden von kanten an polymeren kfz-bauteilen
US10226901B2 (en) 2013-01-16 2019-03-12 Rehau Ag + Co Method for rounding edges of polymer motor vehicle components

Also Published As

Publication number Publication date
JPS6261370B2 (enrdf_load_stackoverflow) 1987-12-21

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