Title:
TOOL-HOLDING STRUCTURE, LOAD DETECTION STRUCTURE, AND TOOL-STATE-MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/206147
Kind Code:
A1
Abstract:
A tool-holding structure (100, 600) that holds a rod-form tool (D) and detects a thrust load applied to the rod-form tool comprises: a tubular body part (1, 6) in which the rod-form tool is inserted into an opening in one end thereof; a tool-sandwiching part (TH1, TH2) that sandwiches the rod-form tool inserted into the opening in the body part; a strain-generating body positioned inside the tubular body part, on the other-end side from the opening in the tubular body part; and a strain gauge (22, 92) attached to the strain-generating body. The tool-holding structure holds the rod-form body in contact with the strain-generating body in order to detect the thrust load.
Inventors:
TAKASAKI TATSURO (JP)
Application Number:
PCT/JP2021/014924
Publication Date:
October 14, 2021
Filing Date:
April 08, 2021
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
B23B25/06; B23B31/20; B23B49/00; B23Q11/10; B23Q17/09; G01L5/00
Foreign References:
| JPS4986067A | 1974-08-17 | |||
| JPH01222851A | 1989-09-06 | |||
| US4688970A | 1987-08-25 | |||
| US20110255930A1 | 2011-10-20 |
Attorney, Agent or Firm:
KAWAKITA Kijuro et al. (JP)
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