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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING COIL SPRING AND DEVICE FOR MANUFACTURING COIL SPRING
Document Type and Number:
WIPO Patent Application WO/2016/208033
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for manufacturing a coil spring and a device (1) for manufacturing a coil spring that can precisely form the coil spring even when using a variety of wire materials (M). Provided is a method that sequentially presses wire material (M) that is fed against a rotating roller outer peripheral surface (5a) so as to form the wire material into a coil shape, wherein a rotating roller (5) is rotationally driven by rotary drive force of a servo motor (20) along with feeding of the wire material (M) such that the part the rotating roller outer peripheral surface (5a) in contact with the wire material (M) moves to the side of progress of the wire material (M).

Inventors:
TAKAHASHI Takehito (Suzukawa Isehara-sh, Kanagawa 98, 〒2591198, JP)
Application Number:
JP2015/068348
Publication Date:
December 29, 2016
Filing Date:
June 25, 2015
Export Citation:
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Assignee:
ORII & MEC CORPORATION (6 Suzukawa, Isehara-shi Kanagawa, 98, 〒2591198, JP)
International Classes:
B21F3/04; B21F35/00
Attorney, Agent or Firm:
YAGI Hidehito et al. (AOBA INTERNATIONAL PATENT & TRADEMARK Stork Building Hongoku 5F, 3-2-6 Nihonbashi Hongoku-cho, Chuo-k, Tokyo 21, 〒1030021, JP)
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