Title:
MARKING PRESS FOR TIMING MARK
Document Type and Number:
Japanese Patent JP3539457
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an automatically marking press of an excellent workability without generating a crack on a work by stabilizing a depth of a stamp (a timing mark) in a marking press for the timing mark wherein a plurality of timing marks are marked on the work equipped with a cylindrical surface.
SOLUTION: A work support part supporting freely rotatably a work 71, a plurality of jig support parts 12, 15 supporting a plurality of marking jigs 11, 14, and a drive means transferring a plurality of the jig support parts 12, 15 are provided. Then, a plurality of the marking jigs 11, 14 pinch the work from 180° symmetrical positions. One marking jig 11 moves its tangential direction to one side, and the other marking jig 14 moves the tangential direction to the reverse side. A plurality of timing marks are marked on an outer peripheral surface 71b of the work 71 while the work 71 is revolving on the spot.
Inventors:
Noboru Matsudaira
Kenji Arita
Kenji Arita
Application Number:
JP22604595A
Publication Date:
July 07, 2004
Filing Date:
August 11, 1995
Export Citation:
Assignee:
NOK CORPORATION
International Classes:
B41K3/36; B21C51/00; B21D31/00; (IPC1-7): B41K3/36; B21D31/00
Domestic Patent References:
| JP833928A |
Attorney, Agent or Firm:
Yoichi Nomoto