Title:
GRINDING WHEEL FOR GRINDING SPIRAL GROOVE OF SCREW SHAFT FOR BALL SCREW AND SPIRAL GROOVE FORMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/045983
Kind Code:
A1
Abstract:
This grinding wheel for forming a spiral groove on the outer peripheral surface of a screw shaft of a ball screw has: a groove region grinding section that matches a ball rolling groove; an arc-shaped chamfer region grinding section that matches an arc-shaped chamfer; and a linear chamfer region grinding section that matches a linear chamfer. The arc-shaped chamfer region grinding section smoothly continues to the outer side of the groove region grinding section, and the linear chamfer region grinding section smoothly continues to the outer side of the arc-shaped chamfer region grinding section.
Inventors:
WATANABE YASUMI (JP)
Application Number:
PCT/JP2014/074553
Publication Date:
April 02, 2015
Filing Date:
September 17, 2014
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
B24B19/02; B23G1/38; B24D7/18; F16H25/24
Foreign References:
| JP2003207015A | 2003-07-25 | |||
| JP2013076424A | 2013-04-25 | |||
| JP2007301700A | 2007-11-22 |
Attorney, Agent or Firm:
HAMADA Yuriko et al. (JP)
Yuriko Hamada (JP)
Yuriko Hamada (JP)
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