Title:
ROTARY PLASTIC WORKING DEVICE AND PROCESSED MATERIAL SANDWICHING METHOD IN THE SAME
Document Type and Number:
Japanese Patent JP2016147303
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary plastic working device achieving high processing accuracy at low costs, and to provide a processed material sandwiching method in the rotary plastic working device.SOLUTION: A rotary plastic working device 1 has a sandwiching mechanism which sandwiches a processed material M with a first sandwiching body 7 and a second sandwiching body 6 and rotates the processed material M around a main spindle rotary axis C to perform plastic working. A pretension force generation part P is provided in the second sandwiching body 6 and the pretension force generation part P exerts a pretension force, which acts from the first sandwiching body 7 to the second sandwiching body 6, on the first sandwiching body 7.SELECTED DRAWING: Figure 1
Inventors:
YAMAZAKI TAKUYA
Application Number:
JP2015026783A
Publication Date:
August 18, 2016
Filing Date:
February 13, 2015
Export Citation:
Assignee:
NIPPON SPINDLE MFG CO LTD
International Classes:
B21H1/04
Domestic Patent References:
JP2008149327A | 2008-07-03 | |||
JPH0270835U | 1990-05-30 | |||
JP2003041771A | 2003-02-13 | |||
JPH02165836A | 1990-06-26 | |||
JP2012218013A | 2012-11-12 |
Attorney, Agent or Firm:
Patent business corporation r&c