| 摘要 |
An optical projection profile-grinding machine with a workpiece holder that accepts the workpiece to be machined, a grinding wheel that may be positioned in relation to the workpiece, a projector for displaying an enlarged image of the point of engagement between the workpiece and grinding wheel on a projection screen, and a nominal profile line arranged on the projection screen, characterized by the workpiece being capable of rotation around the optical axis of the projector and of fixation in different angular positions in unison with the projection screen and its nominal profile line. The projection screen, or a carrier screen that accepts a nominal profile line and is arranged on the projection screen, is rotatable around the optical axis of the projector, in synchrony and at the same angular velocity as the workpiece.
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