Title:
WORK-PUNCHING METHOD AND WORK-PUNCHING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/096060
Kind Code:
A1
Abstract:
Provided are a work-punching method and a work-punching apparatus, whereby thickness accuracy of work can be maintained constant. Prior to punching work (W) using a forming punch (8) and a counter punch (7), data indicating the relationship between the punching speed of the forming punch (8) and the depressurizing delay time of the counter punch (7) is obtained. The counter punch (7) is depressurized in quick timing on the basis of the data obtained at the time.
More Like This:
| JP2005201319 | RING GEAR MANUFACTURING METHOD |
| JP5407231 | Punch tools and strippers |
| JPH064988 | [Name of device] Mold identification device |
Inventors:
ONISHI SHINSUKE (JP)
FUJITA MASAAKI (JP)
NAKAMURA SHINTARO (JP)
NEMOTO NAOYA (JP)
OKUBO NARUHIKO (JP)
FUJITA MASAAKI (JP)
NAKAMURA SHINTARO (JP)
NEMOTO NAOYA (JP)
OKUBO NARUHIKO (JP)
Application Number:
PCT/JP2011/077065
Publication Date:
July 19, 2012
Filing Date:
November 24, 2011
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
ONISHI SHINSUKE (JP)
FUJITA MASAAKI (JP)
NAKAMURA SHINTARO (JP)
NEMOTO NAOYA (JP)
OKUBO NARUHIKO (JP)
ONISHI SHINSUKE (JP)
FUJITA MASAAKI (JP)
NAKAMURA SHINTARO (JP)
NEMOTO NAOYA (JP)
OKUBO NARUHIKO (JP)
International Classes:
B21D28/00; B21D28/16; B21D28/24
Domestic Patent References:
| WO2009078237A1 | 2009-06-25 |
Foreign References:
| JP2002336917A | 2002-11-26 | |||
| JP2007326517A | 2007-12-20 | |||
| JP2008290106A | 2008-12-04 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
Patent business corporation creation international patent firm (JP)
Patent business corporation creation international patent firm (JP)
Download PDF:
Claims: