| 摘要 |
A cam measuring device is provided to determining that a groove is accurately manufactured at the cam by measuring the rotation angle of a turret to the rotation angle of the cam. A cam measuring device comprises a cam clamping unit, a motor(35), an arm fixation unit, a cam encoder, and an arm encoder. The cam clamping unit comprises a cam fixing chuck(31). The cam fixing chuck one end can be moved to the axial direction. The both ends can be rotated around an axis. The motor rotates the cam fixing chuck. The arm fixation unit comprises a base unit(41) and an arm fixing chuck(43). The base unit moves on the space along three axis meeting at right angle. The arm fixing chuck moves along the arm axis of an arm in order to fix the arm of the turret connected at the cam. The arm fixing chuck can rotate around the arm axis. The cam encoder can measure the rotation angle of the cam fixing chuck. The arm encoder can measure the rotation angle of the arm fixing chuck according to the rotation angle of the cam fixing chuck.
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