Title:
MANUFACTURE OF CHASSIS FOR PRECISION APPARATUS
Document Type and Number:
Japanese Patent JPH06291475
Kind Code:
A
Abstract:
PURPOSE: To manufacture a chassis at low cost in such a way that its accuracy, its rigidity and its strength can be ensured.
CONSTITUTION: A mounting seat 11 which protrudes from one face side is formed in a chassis 1 which has been formed of a sheet metal, and the surface height of the mounting seat 11 is reduced to a prescribed height from a reference face by a high-spin plastic working operation in which a punch 5 performing a conical vibration motion is pressed to the surface of the mounting seat 11.
Inventors:
MURAMOTO KOHEI
WADA SHOJI
YAMASHITA YUKIHIRO
WADA SHOJI
YAMASHITA YUKIHIRO
Application Number:
JP7804193A
Publication Date:
October 18, 1994
Filing Date:
April 05, 1993
Export Citation:
Assignee:
MURAMOTO KOHEI
WADA SHOJI
WADA SHOJI
International Classes:
H05K7/04; B21D31/00; (IPC1-7): H05K7/04
Attorney, Agent or Firm:
Ishida Chochichi (2 outside)