Tracer control system

Details Tracer control system Tracer control system

1979-04-23

1981-05-05

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318 39, 318571, G05B 1937

Patent

active

042661722

ABSTRACT:
In a tracer control system in which tracer head control is switched over from a quick feed mode to a deceleration mode of operation to alleviate a shock when the stylus of the tracer head contacts the model, the amount of change in the configuration of the model at a profiling start point is detected to control the point of switching over the quick feed mode to the deceleration mode of operation for the next profiling start point in accordance with the detected value, thereby to ensure that the above mentioned mode switching is always accomplished at substantially a constant position relative to the profiling start point on the model surface so as to shorten the profiling time.

REFERENCES:
patent: 3975667 (1976-08-01), Bory et al.
patent: 4064445 (1977-12-01), Wenzel
patent: 4157679 (1979-06-01), Wenzel
patent: 4164694 (1979-08-01), Amsbury

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