Thk Co., Ltd.

Yukihiro Yamada

Satoshi Hara

Masashi Ishii

Katsuya Fukushima

Shogo Wakuta

Tomofumi Mizuno

Provided is an actuator including a shaft, a drive part that moves the shaft, a fixing part disposed around the shaft, the shaft being moved relative to the fixing part, a detecting part that detects a force applied to the shaft on a side closer to the drive part than to the fixing part, and a control device that obtains a first force that is detected by the detecting part in a predetermined period of a period during which the shaft is being moved before the shaft applies the force to a workpiece, and after the predetermined period, controls the drive part based on the force detected by the detecting part and the first force.

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Tokyo, Japan

Yukihiro Yamada