Mitutoyo Corporation

Ryohei Kanno

Kenji Iwamoto

Atsushi Hattori

Takaharu Imura

Sadayuki Matsumiya

Shigeru Ohtani

Yu Sugai

Junsuke Yasuno

Masaoki Yamagata

Kentaro Nemoto

Takahiro Ito

Kazuhiro Ishizu

Hiroaki Kawata

Image measuring device

A shape measuring device includes a holding unit which holds a measuring target of which a shape is to be measured, a first measurement unit which measures relative coordinates of a plurality of measurement points on a first surface of the measurement target with respect to a defined point, a second measurement unit which operates independently from the first measurement unit and measures relative coordinates of a plurality of measurement points on a second surface of the measurement target, which is a reverse surface of the first surface, with respect to the defined point, and a calculation unit which calculates a shape of the measurement target on the basis of results measured by the first measurement unit and the second measurement unit.

Shape measuring device

A measuring apparatus of the present invention includes a stage on which a measured object is placed, a measurement head having an information obtainer obtaining an image of the object, and a vertical driver supporting the measurement head so as to allow movement in a vertical direction. The vertical driver includes a counterbalance mechanism having a hanger of the measurement head, a pulley winding up and withdrawing the hanger by rotation, a spring increasing elastic force by stretching the spring when the measurement head displaces downward, and a cam rotating in conjunction with the pulley and having a cam shape decreasing rotational torque provided to the pulley by the elastic force as a stretching amount of the spring increases.

Measuring apparatus

Growing community of inventors

Kawasaki, Japan

Ryohei Kanno