The threads of spindle encoders！

Threads are continuous protrusions and grooves formed on a cylindrical or conical surface along a helix with the same cross-sectional shape. The threads formed on the cylindrical surface are called cylindrical threads, and the threads formed on the conical surface are called taper threads. The threads formed on the outer surface of the rotating body are called male threads, and the threads formed on the inner surface of the rotating body are internally threaded.
There are many ways to thread the thread. When the thread is applied to the lathe, the lathe clamps the cylindrical workpiece through the three-jaw chuck and drives it to rotate at constant speed. The lathe feed mechanism drives the turning tool (standard thread turning tool) Axis direction for constant linear motion, the tool tip in the workpiece surface cutting triangular groove to form a triangular thread.
Thread processing with track start point (A point, that is, the infeed point) and the end of the track (B point, that is, retreat point). In the threading trajectory, there is sufficient speed advancing section δ and the retracting section δ 'to ensure the thread processing to eliminate the pitch error caused by the servo hysteresis.

absolute encoder, incremental encoder, hybrid encoder, non-magnetic encoder, multi-turn encoder, multi-turn combination encoder, draw wire encoder, digital readout, linear scale

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