Kokusai Keisokuki Kabushiki Kaisha

Ihi Corporation

Canon Kabushiki Kaisha

Masanobu Hasegawa

Sigeru Matsumoto

Kazuhiro Murauchi

Hiroshi Miyashita

Tomotaka Sakagami

Mitsutoshi Watanabe

Hiroki Yoshizawa

Yukihiro Shimoda

Nobuhiko Yunoki

Satoshi Kurita

Kyouhei Nomura

Yasuyuki Mido

Shigenobu Kawai

A torsion tester including a plurality of driving units configured to connect with and rotate three or more input/output shafts of a test body, respectively, and a controller configured to control the plurality of driving units to be driven with one of individually-set rotational frequencies and individually-set torques, respectively.

Torsion tester

A discharge surface treatment electrode used in discharge surface treatment for forming a wear-resistant film on a treatment target surface of a workpiece by use of the discharge energy of electric discharges caused between the electrode and the workpiece, the film being made of a material of an electrode or a substance obtained by a reaction of the material of the electrode with the discharge energy. The discharge surface treatment electrode is formed by: compression-molding a mixed powder into a green compact, the mixed powder being formed from a powder of a Stellite alloy with an average particle size of 3 &#x3bc;m or less prepared by use of a jet mill and a powder of a metal with an average particle size of 3 &#x3bc;m or less manufactured through an atomization process or a chemical process; and subjecting the green compact to heat treatment.

Discharge surface treatment electrode and method of manufacturing the same

A torsion tester including a reaction force unit and a drive unit including a servo motor, a first reduction gear, a shaft transmitting an output force from the first reduction gear, a clutch having an input shaft fixed to the shaft, a second reduction gear decelerating rotation of an output shaft of the clutch, a chuck, and a connection mechanism connecting the chuck with one of the shaft and the second reduction gear, the drive unit configured to switch between a first mode where the clutch is disengaged, and the shaft is connected with the chuck by the connection mechanism and a second mode where the clutch is engaged, and the second reduction gear is connected with the chuck by the connection mechanism.

A rotational torsion tester, comprising: a first drive shaft; a second drive shaft; a load applying unit that applies a torsional load to a workpiece; at least one bearing unit including a first bearing unit that supports the load applying unit to be rotatable about a rotation axis; a rotation drive unit having a first electric motor that drives the second drive shaft and the load applying unit to rotate in phase; and a torque sensor that detects the torsional load, wherein the load applying unit comprises: a second electric motor that drives the first drive shaft; the torque sensor is attached to a part at which the first drive shaft is inserted into the shaft part; the torque sensor is disposed between a pair of first bearings; and the torque sensor includes a strain gauge adhered to a narrowed part to detect the torsional load.

Rotational torsion tester

Growing community of inventors

Tokyo, Japan

Masanobu Hasegawa