Title:
METHOD AND EQUIPMENT FOR DRILLING DRAWN BODY
Document Type and Number:
Japanese Patent JP2933157
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method and an equipment for drilling a drawn body capable of the drawing to a vertical wall part of the drawn body together with other forming even when a cam slider can not be arranged.
SOLUTION: A drilling equipment 1 of a drawn body is a secondary working equipment to achieve the post-working to a work 2 having a drawn part, and comprises a lower frame 3 on which the work 2 is loaded, an upper frame 4 which Is lowered while the work 2 is held on the lower frame 3, and a drilling means 30 fitted to the lower frame side to receive the drawn part of the work 2, and the drilling means 30 is provided with a driving means which is independently driven on the bottom dead center of the upper frame 4, and drills a hole in a vertical wall part 2c of a drawn part 2b.
Inventors:
NISHIBORI TAKAO
SUZUKI SADAO
SATO KENGO
KAWASHIMA KYOTAKA
SUZUKI SADAO
SATO KENGO
KAWASHIMA KYOTAKA
Application Number:
JP18387395A
Publication Date:
August 09, 1999
Filing Date:
July 20, 1995
Export Citation:
Assignee:
MIZUTANI SEIKI KOGYO KK
International Classes:
B23B41/00; B21D28/00; B23P23/02; (IPC1-7): B23P23/02; B21D28/00; B23B41/00
Domestic Patent References:
| JP3208509A | ||||
| JP5937006A |
Attorney, Agent or Firm:
Yoichiro Shimoda
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