Mitutoyo Corporation

Yoshiyuki Oomori

Hideki Shindo

Yukihiro Sakata

Kazushi Noguchi

A reference fixture () for a roundness measuring instrument performs acquisition of origin information of a roundness measuring instrument () including a workpiece rotary mechanism () on which a workpiece is set and a probe () provided with a stylus () and also performs calibration of the probe (). The reference fixture () includes a mount (), a calibration master () provided on a top face of the mount () for calibrating the sensitivity of the probe (), an origin ball () disposed above the calibration master () for providing the origin information of the roundness measuring instrument () by the stylus () of the probe (), and a holder () that holds the origin ball ().

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Kure, Japan

Yoshiyuki Oomori