Title:
METHOD AND APPARATUS FOR PUNCHING FIBER-REINFORCED PLASTIC PLATE MATERIAL
Document Type and Number:
Japanese Patent JP2016052682
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method and apparatus for punching a fiber-reinforced plastic plate material, capable of performing punching the fiber-reinforced plastic plate material by suppressing peeling and cracks.SOLUTION: A method for punching a fiber-reinforced plastic plate material by punching with a shank 15 each of plate materials (CFRP) 1 and 3 as each of plate materials which are overlapped by joining connection surfaces 11 and 13 and where at least one side is made of fiber-reinforced plastic includes bringing support jigs 7 and 9 which have an inner hole 31 of an internal diameter equal to an external diameter of the shank 15 in non-joint surfaces 27 and 29 of the CFRP 1 and 3, and marginal parts in the non-joint surfaces 27 and 29 of the inner hole 31 as a corner part 35 of a cross section right angle so as to perform punching with the shank 15 by adjusting to the inner hole 31 of the support jigs 7 and 9.SELECTED DRAWING: Figure 1
Inventors:
UEDA MASATO
HASEGAWA HIROYUKI
WATANABE KINYA
FUJII NAOYA
HASEGAWA HIROYUKI
WATANABE KINYA
FUJII NAOYA
Application Number:
JP2015208593A
Publication Date:
April 14, 2016
Filing Date:
October 23, 2015
Export Citation:
Assignee:
UNIV NIHON
FUKUI BYORA CO LTD
FUKUI BYORA CO LTD
International Classes:
B21J15/14; B21J15/00; B21J15/02; B21J15/44; F16B5/04; F16B19/08; F16B43/00
Domestic Patent References:
| JP2005069451A | 2005-03-17 | |||
| JP2008303978A | 2008-12-18 | |||
| JP2005069451A | 2005-03-17 | |||
| JP2008303978A | 2008-12-18 | |||
| JP2006202540A | 2006-08-03 | |||
| JPH01228797A | 1989-09-12 | |||
| JPH01103296A | 1989-04-20 |
Attorney, Agent or Firm:
Yuichi Sudo
Daisuke Sudo
Daisuke Sudo