发明名称 |
Ball screw nut and method of producing the same |
摘要 |
A ball screw nut with a ball rolling groove where balls roll on the inner circumferential surface of the ball screw nut with the ball rolling groove formed by a surface generated by a tapping tool. A method of manufacturing a ball screw nut with a ball rolling groove where balls roll on the inner circumferential surface of the ball screw nut with a step of forming a predetermined inner circumferential surface at the center of a blank by a drilling tool. A step of generating the ball rolling groove by introducing a tapping tool into the inner circumferential surface. A step of heat treating to harden the surface of the ball rolling groove.
|
申请公布号 |
US2007137350(A1) |
申请公布日期 |
2007.06.21 |
申请号 |
US20040571374 |
申请日期 |
2004.08.24 |
申请人 |
NTN CORPORATION |
发明人 |
TATEISHI KOJI;IKEDA YOSHINORI |
分类号 |
F16H1/24;B23G1/16;B23G5/06;B23P13/00;F16H25/22 |
主分类号 |
F16H1/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|