Title:
ROLLING DEVICE AND ROLLING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/136911
Kind Code:
A1
Abstract:
The present invention provides a rolling device and rolling method that allow for simultaneous rolling of three or more cylindrical members to obtain annular members while reducing the possibility of a mandrel breaking. To this end, the rolling device (1) has a forming roll (10), a support roll (20), and a mandrel (30), and multiple workpieces (4) are mounted on the mandrel (30) in the radial direction of the mandrel (30) and staggered with respect to each other. In addition, the rolling method uses the rolling device and includes a mounting process for mounting the workpieces (4) on the mandrel (30) and a rolling process.
Inventors:
KOBAYASHI KAZUTO (JP)
YASUDA YUU (JP)
YASUDA YUU (JP)
Application Number:
PCT/JP2015/001271
Publication Date:
September 17, 2015
Filing Date:
March 09, 2015
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
B21H1/12
Foreign References:
| DE19634927A1 | 1998-03-05 | |||
| DE19920163A1 | 2000-11-02 | |||
| JP2006320927A | 2006-11-30 | |||
| JPS56119611A | 1981-09-19 |
Other References:
See also references of EP 3117921A4
Attorney, Agent or Firm:
MORI, Tetsuya et al. (JP)
Woods Tetsuya (JP)
Woods Tetsuya (JP)
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