US 11,989,006 B2
Processing system and method for manufacturing metal member
Kazuo Maeda, Takahashi (JP)
Assigned to SUMITOMO ELECTRIC SINTERED ALLOY, LTD., Takahashi (JP)
Appl. No. 17/640,350
Filed by Sumitomo Electric Sintered Alloy, Ltd., Takahashi (JP)
PCT Filed Aug. 31, 2020, PCT No. PCT/JP2020/032920
§ 371(c)(1), (2) Date Mar. 4, 2022,
PCT Pub. No. WO2021/045013, PCT Pub. Date Mar. 11, 2021.
Claims priority of application No. 2019-163220 (JP), filed on Sep. 6, 2019.
Prior Publication US 2022/0342390 A1, Oct. 27, 2022
Int. Cl. G05B 19/4155 (2006.01); B23Q 17/09 (2006.01); G01R 19/10 (2006.01)
CPC G05B 19/4155 (2013.01) [B23Q 17/09 (2013.01); G01R 19/10 (2013.01); G05B 2219/41329 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A processing system comprising:
a tool that processes a workpiece composed of a metal member;
a motor that rotates the workpiece or the tool;
a control unit that controls the motor; and
a measurement unit that obtains an electrical quantity of the motor, wherein
the control unit is configured to detect an abnormality with the tool based on a difference between a first electrical quantity and a second electrical quantity, and in response to the abnormality being detected, control the motor to stop rotating,
the first electrical quantity is an electrical quantity obtained by the measurement unit while the motor rotates before the workpiece is processed, and
the second electrical quantity is an electrical quantity obtained by the measurement unit while the workpiece is processed.