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Patent Searching and Data


Title:
工作機械
Document Type and Number:
Japanese Patent JP6727220
Kind Code:
B2
Abstract:
A machine tool (10) provided with a main shaft (11) for holding a workpiece, and a tool rest (20) in which a tool (28) for machining a workpiece is disposed, the main shaft (11) and the tool rest (20) being movably disposed relative to each other in a head (12), and a sensor (32) for measuring the displacement distance of the tool rest (20) with respect to the main shaft when the main shaft (11) and the tool (28) move relative to each other being provided between the main shaft (11) and the tool rest (20), wherein the sensor (32) intermittently measures displacement distance by the movement of the tool (28) to a position different from the machining position of the workpiece.

Inventors:
Toshiyuki Suzuki
Application Number:
JP2017543595A
Publication Date:
July 22, 2020
Filing Date:
September 29, 2016
Export Citation:
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Assignee:
CITIZEN WATCH CO.,LTD.
Citizen Machinery Co., Ltd.
International Classes:
B23Q15/18; B23B5/14; B23B25/06; B23Q17/00; G05B19/404
Domestic Patent References:
JP2009269140A
JP2008246642A
JP6155240A
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mitsuhashi
Tomohiro Nanzan
Go Miura