Title:
TOOL FOR MACHINING FLUID BEARING DYNAMIC PRESSURE GENERATION GROOVE AND MACHINING BALL USED FOR THE SAME
Document Type and Number:
Japanese Patent JP2002054627
Kind Code:
A
Abstract:
To provide a tool for a fluid bearing dynamic pressure generation groove processing capable of maintaining a good processing accuracy for a long time.
This is an invention of a tool for a fluid bearing dynamic pressure generation groove processing including a hard metal made processing ball 1 rotatably retained at a designated position and forming a dynamic pressure generation groove 2 on a bearing member by pressing the processing ball 1 on the bearing member. A chlorine ion injection layer is formed on a surface of the processing ball.
Inventors:
AOYAMA NOBORU
MIO ATSUSHI
MIO ATSUSHI
Application Number:
JP2000242388A
Publication Date:
February 20, 2002
Filing Date:
August 10, 2000
Export Citation:
Assignee:
OGURA JEWEL INDUSTRY CO LTD
TOKYO METROPOLITAN GOV
TOKYO METROPOLITAN GOV
International Classes:
F16C17/02; B21D17/00; F16C33/14; (IPC1-7): F16C17/02; B21D17/00; F16C33/14
Attorney, Agent or Firm:
Masao Yamakawa (1 person outside)