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Title:
PART HOLDING DEVICE
Document Type and Number:
Japanese Patent JP2006326719
Kind Code:
A
Abstract:

To provide a part holding device capable of simultaneously and securely holding two portions of a large-diameter part and a small-diameter part of a stepped cylindrical part having different outside diameters, and enabling high-speed and high-precision processing.

This part holding device comprises a base part 1 for mounting a holding device to mount a part holding device to a processing machine, at least three chucks 2 for a large-diameter part arranged to the base part 1 for mounting the holding device movably in a radial direction of a stepped cylindrical part 8, and having chuck pawls 23 gripping the large-diameter part of the stepped cylindrical part 8, a chuck driving unit 3 for a large-diameter part to simultaneously moving the chucks 2 for the large-diameter part in the same direction, a collet part 5 arranged to the base part 1 for mounting the holding device movably in an axial direction of the stepped cylindrical part 8 and gripping a small-diameter part of the stepped cylindrical part 8, and a collet driving unit 6 moving the collet part 5 in an axial direction of the stepped cylindrical part 8.


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Inventors:
UEMURA TSUYOSHI
MURAKAMI YASUYOSHI
Application Number:
JP2005150871A
Publication Date:
December 07, 2006
Filing Date:
May 24, 2005
Export Citation:
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Assignee:
DENSO CORP
International Classes:
B23B31/12
Domestic Patent References:
JPH10309611A1998-11-24
JPH02224908A1990-09-06
JP2002144119A2002-05-21
JPS6445501A1989-02-20
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Yoshihiro Hayashi
Shinozaki Masami
Masaya Nishiyama