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Title:
METHOD FOR MANUFACTURING VARIATOR PART OF CONTINUOUSLY VARIABLE TRANSMISSION AND HARD BROACH TOOL USED IN THE SAME
Document Type and Number:
Japanese Patent JP2013220480
Kind Code:
A
Abstract:

To provide a method for manufacturing variator parts of a continuously variable transmission, capable of reducing a manufacturing cost.

A method includes passing a hard broach tool 18 through a hard turning inner diameter part 17 of a workpiece 16 formed by cutting a cylinder inner diameter part in a previous process of hard turning, thereby cutting the hard turning inner diameter part 17 to alternately form cylindrical parts 3a and ball spline grooves 3b in a circumferential direction.


Inventors:
Sakai, Yusaku
Yokoyama, Shoji
Application Number:
JP2012000091284
Publication Date:
October 28, 2013
Filing Date:
April 12, 2012
Export Citation:
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Assignee:
NSK LTD
International Classes:
B23P13/02; B23D43/02; F16H15/38; F16H55/56
Domestic Patent References:
JP2005061494A2005-03-10
JP2004286166A2004-10-14
JP2002028818A2002-01-29
JP2004160574A2004-06-10
JPS5939126U1984-03-13
JP2005061494A2005-03-10
JP2004286166A2004-10-14
JP2002028818A2002-01-29
JP2004160574A2004-06-10
JPS5939126U1984-03-13
Attorney, Agent or Firm:
森 哲也
小西 恵
田中 秀▲てつ▼
廣瀬 一
宮坂 徹