ACTUATOR EQUIPPED WITH FAILURE DETECTION SENSOR AND METHOD FOR DETECTING FAILURE IN ACTUATOR

Title:

ACTUATOR EQUIPPED WITH FAILURE DETECTION SENSOR AND METHOD FOR DETECTING FAILURE IN ACTUATOR

Document Type and Number:

WIPO Patent Application WO/2018/047439

Kind Code:

A1

Abstract:

Provided is an actuator equipped with a failure detection sensor that makes it easy to detect a failure of a linear guide unit and/or ball screw unit using the same sensor. An actuator (10) is provided with a linear guide unit (4) that guides a movable body (1) to move rectilinearly, and a ball screw unit (7) that drives the movable body (1) in the axial direction of a threaded shaft (6), wherein a sensor (18) for detecting a failure of the actuator (10) is disposed in a housing (11) that accommodates a coupling (12) that couples the threaded shaft (6) and a motor (14) that rotates the threaded shaft (6).

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Inventors:

HONJO YOSHIYUKI (JP)
YAMANAKA SHUHEI (JP)

Application Number:

PCT/JP2017/023333

Publication Date:

March 15, 2018

Filing Date:

June 26, 2017

Export Citation:

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Assignee:

THK CO LTD (JP)

International Classes:

G01M13/00

Foreign References:

JP2013257253A	2013-12-26
JP2011107030A	2011-06-02
JPH1130234A	1999-02-02
US20140039666A1	2014-02-06
JP2010096541A	2010-04-30

Attorney, Agent or Firm:

SHIOJIMA, Toshiyuki (JP)

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