Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BEARING MEMBER, DEVICE AND METHOD FOR MANUFACTURING BEARING MEMBER, AND WORKING TOOL FOR THE SAME
Document Type and Number:
Japanese Patent JP2001280338
Kind Code:
A
Abstract:

To inexpensively provide a finished surface of high accuracy and realize the low cost while improving the bearing characteristic of a bearing device.

When a finishing tool 41 is inserted into a bearing hole 13A3, a insertion guide part 41c mounted on a tip side of the finishing tool 41 is inserted into the bearing hole 13A3 first, whereby the insertion is executed in a state that an angle and a parallel degree of an axis of a pressure contact working part 41b at a rear side continuing from the insertion guide part 41c are gradually agreed with a central axis of the bearing hole through a floating holder mechanism 42, the working by the pressure contact working part 41b is started in a state that the central axis of the pressure contact working part 41b is automatically agreed with a central axis of a bearing hole with high accuracy, and then a bearing inner peripheral surface is finished with high accuracy without remaining a sawing mark and a waving mark found in the cutting work, by the pressure plastic deformation action of the pressure contact working part 41b.


Inventors:
Usui, Motoki
Application Number:
JP2000000096391
Publication Date:
October 10, 2001
Filing Date:
March 31, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SANKYO SEIKI MFG CO LTD
International Classes:
F16C17/02; B23D77/00; B23P13/02; B23P15/00; F16C33/10; F16C33/14; (IPC1-7): F16C17/02; F16C33/14
Attorney, Agent or Firm:
後藤 隆英