Arbitrary-direction tracer control system

Details Arbitrary-direction tracer control system Arbitrary-direction tracer control system

1989-12-21

1990-10-30

MacDonald, Allen

Boots, shoes, and leggings

33 1M, 318578, G05B 1936

Patent

active

049673645

ABSTRACT:
An arbitrary-direction tracer control system moves a model and a tracer head relative to each other at an arbitrary angle to a reference axis X along lines passing through a reference point K, first and second tracing stroke limits L1 and L2 are set at which tracing feed is returned, so that tracing feed is along radial lines a - b, c - d, e - f and f - g extending from the reference ponts K, and pick feed operations are carried out by predetermined amounts b - c and f - g at the tracing stroke limits L1 and L2. As a result, tracing feed can always be performed in a direction perpendicular to a curved surface of the model, ensuring accurate tracing of the curved surface.

REFERENCES:
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patent: 4603285 (1986-07-01), Matsuura et al.
patent: 4703239 (1987-10-01), Yamazaki et al.
patent: 4709482 (1987-12-01), Matsuura et al.

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