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Patent Searching and Data


Title:
THREAD CUTTING DEVICE AND THREAD CUTTING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/012937
Kind Code:
A1
Abstract:
Disclosed are a thread cutting device (1) and a thread cutting method, characterized in that a turning step for cutting a rotating workpiece (W) to a predetermined cutting depth by relatively moving a tool (3) in an axial direction of the workpiece (W) and then cutting the workpiece (W) obliquely upward by relatively moving the tool (3) in the axial direction and radially outward is performed repeatedly while sequentially changing the axial position for starting the upward cutting of the workpiece (W) from the axial position at which the upward cutting of the workpiece (W) was started in a previous turning step, to thereby subject the workpiece (W) to a thread cutting process.

Inventors:
TAKAHASHI Hikaru (4107-6, Oaza-Miyota, Miyotamach, Kitasaku-gun Nagano 06, 〒3890206, JP)
KATSUTA Tamotsu (4107-6, Oaza-Miyota, Miyotamach, Kitasaku-gun Nagano 06, 〒3890206, JP)
Application Number:
JP2018/023581
Publication Date:
January 17, 2019
Filing Date:
June 21, 2018
Export Citation:
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Assignee:
CITIZEN WATCH CO., LTD. (1-12, Tanashicho 6-chome Nishitokyo-shi Tokyo, 11, 〒1888511, JP)
CITIZEN MACHINERY CO., LTD. (4107-6, Oaza-Miyota Miyotamach, Kitasaku-gun Nagano 06, 〒3890206, JP)
International Classes:
B23G3/00; B23B5/46; B23Q15/00; B23Q15/013; G05B19/4093
Domestic Patent References:
WO2016067371A12016-05-06
WO2016056526A12016-04-14
Foreign References:
JP5937891B22016-06-22
JPS5939250B21984-09-21
JP2010247246A2010-11-04
JP2017102630A2017-06-08
JPS5937891B21984-09-12
JPS5939250B21984-09-21
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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