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Patent Searching and Data


Title:
TORQUE INSPECTION DEVICE FOR FASTENING TOOL
Document Type and Number:
Japanese Patent JP2015199150
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a torque inspection device for a fastening tool which can suppress over rotation of a tightening tool during tightening inspection.SOLUTION: A torque inspection device 1 includes: a socket 11 for rotating a fastening tool 21 which is fastened to a work-piece 20; an angle measurement instrument 12 for measuring an angle of the socket 11; a fastening shaft 13 which is connected to the socket 11 and rotates the socket; a torque measurement instrument 14 for measuring a torque given onto the fastening shaft 13; and an operation part 16 which determines that the fastening torque is proper from a peak torque which is a largest torque measured by the torque measurement instrument and a peak angle which is an angle of the socket when the peak torque is generated, in the case that a difference between the angle of the socket and the peak angle before tightening inspection is lower than a threshold of a predetermined angle and the peak angle is larger than a threshold of a predetermined torque.

Inventors:
HIBINO KEN
KURIBAYASHI SHUJIRO
Application Number:
JP2014078204A
Publication Date:
November 12, 2015
Filing Date:
April 04, 2014
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
B25B23/14; B23P19/06
Attorney, Agent or Firm:
Ken Ieiri