JPS5614031A - Drawing press machine - Google Patents

Drawing press machine

Info

Publication number
JPS5614031A
JPS5614031A JP9070879A JP9070879A JPS5614031A JP S5614031 A JPS5614031 A JP S5614031A JP 9070879 A JP9070879 A JP 9070879A JP 9070879 A JP9070879 A JP 9070879A JP S5614031 A JPS5614031 A JP S5614031A
Authority
JP
Japan
Prior art keywords
die
work
slide
bolster
stretch
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.)
Pending
Application number
JP9070879A
Other languages
Japanese (ja)
Inventor
Makoto Ishikawa
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.)
TOYO KOKI KK
TOYO KOUKI KK
Original Assignee
TOYO KOKI KK
TOYO KOUKI KK
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 TOYO KOKI KK, TOYO KOUKI KK filed Critical TOYO KOKI KK
Priority to JP9070879A priority Critical patent/JPS5614031A/en
Publication of JPS5614031A publication Critical patent/JPS5614031A/en
Pending legal-status Critical Current

Links

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

PURPOSE: To selectively perform preliminary stretch drawing and die cushion drawing according to the shape of work products by providing with a bolster removably and stretch devices.
CONSTITUTION: In the case of preliminary stretch drawing, a bolster 8 is moved onto a bolster cradle, thence an upper die 6b is mounted on the under surface of a pressing slide 5 and an opposing lower die 9b on the top surface of a die cushion slide 13. The work W is inserted between both grip heads 23, 23. The work W is stretched under specified tensile force by a stretch cylinder 22 and the die cushion slide 13 is moved upward to let the lower die 9b thrust up the work W. Stretch devices 19, 19 tilt upward to prevent the occurrence of bending and cracking. In the case of die cushion drawing, the upper die and the lower die are replaced with an upper die 6a and a lower die 9a respectively; the lower die 9a is fixed to the top surface of the bolster 8; pressure pins 12W12 are erected on the top surface of the die cushin slide 13 to support a blank holder 11. After the work W is placed, the pressing slide 5 is lowered, whereby drawing is performed.
COPYRIGHT: (C)1981,JPO&Japio
JP9070879A 1979-07-16 1979-07-16 Drawing press machine Pending JPS5614031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9070879A JPS5614031A (en) 1979-07-16 1979-07-16 Drawing press machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9070879A JPS5614031A (en) 1979-07-16 1979-07-16 Drawing press machine

Publications (1)

Publication Number Publication Date
JPS5614031A true JPS5614031A (en) 1981-02-10

Family

ID=14006018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9070879A Pending JPS5614031A (en) 1979-07-16 1979-07-16 Drawing press machine

Country Status (1)

Country Link
JP (1) JPS5614031A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698995A (en) * 1986-05-28 1987-10-13 Chorneau Frederick R Method for stretch forming drop hammer parts utilizing stretch wrap forming techniques
US4747292A (en) * 1986-05-28 1988-05-31 Chorneau Frederick R Stretch forming apparatus
US6216508B1 (en) * 1998-01-29 2001-04-17 Amino Corporation Apparatus for dieless forming plate materials
US10010920B2 (en) 2010-07-27 2018-07-03 Ford Global Technologies, Llc Method to improve geometrical accuracy of an incrementally formed workpiece

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224241A (en) * 1964-02-28 1965-12-21 Cyril Bath Co Underreach prestretch fixture and combination thereof with drawing die press

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3224241A (en) * 1964-02-28 1965-12-21 Cyril Bath Co Underreach prestretch fixture and combination thereof with drawing die press

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698995A (en) * 1986-05-28 1987-10-13 Chorneau Frederick R Method for stretch forming drop hammer parts utilizing stretch wrap forming techniques
US4747292A (en) * 1986-05-28 1988-05-31 Chorneau Frederick R Stretch forming apparatus
US6216508B1 (en) * 1998-01-29 2001-04-17 Amino Corporation Apparatus for dieless forming plate materials
US10010920B2 (en) 2010-07-27 2018-07-03 Ford Global Technologies, Llc Method to improve geometrical accuracy of an incrementally formed workpiece

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