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Patent Searching and Data


Title:
ねじ軸の加工方法
Document Type and Number:
Japanese Patent JP7446745
Kind Code:
B2
Abstract:
To provide a method for machining a screw shaft that can machine the shaft using a general-purpose complex machining machine.SOLUTION: A method for machining a screw shaft W of a ball screw uses a complex machine tool 2 that is equipped with a tool spindle 7 which rotates a tool TM while holding the tool, work-piece spindles (9 and 20) which rotate a shaft-like work-piece W while gripping the work-piece, and support devices (11 and 25) which are arranged to oppose to the work-piece spindles (9 and 20) and support the shaft-like work-piece W rotatably. In a state where one end of the work-piece W is held by the work-piece spindles (9 and 20) and the other end of the shaft-like work-piece W is held by the support device (11 and 25), the shaft-like work-piece W is rotated by the work-piece spindles (9 and 20), and a rotary cutting tool TM is attached to the tool spindle 7 and is rotated, and the rotary cutting tool TM is moved along a shaft direction of the shaft-like work-piece W to cut and machine a screw groove on the shaft-like work-piece W.SELECTED DRAWING: Figure 2

Inventors:
Masahiro Fujiki
Hiromasa Inoue
Kento Hinaga
Yuki Iizuka
Christian Hulme
Kai Litvinsky
Application Number:
JP2019162041A
Publication Date:
March 11, 2024
Filing Date:
September 05, 2019
Export Citation:
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Assignee:
dmg Mori Seiki Co., Ltd.
International Classes:
B23B5/46; B23B21/00; B23G1/38; B23G3/00; B23Q1/76
Domestic Patent References:
JP2014046450A
JP7023160Y2
JP2015066672A
JP2016159378A
JP2011245567A
JP2006021307A
JP2002079421A
JP10000547A
JP5138438A
JP2010535639A
JP7029243B2
JP46013240B1
Foreign References:
KR101857272B1
CN105252029A
Attorney, Agent or Firm:
Patent Attorney Firm Tas Meister
Satoshi Murakami