Method for automating the optimization of tool path generation f

Details Method for automating the optimization of tool path generation f Method for automating the optimization of tool path generation f

1992-12-02

1994-11-08

Envall, Jr., Roy N.

Boots, shoes, and leggings

36447428, 318570, G06F 1546

Patent

active

053633083

ABSTRACT:
A method for generating tool paths for a profile milling task uses straight line (lacing) tool paths toward and away from the exterior boundary of a part to cover a first inset of a machining region. Recess areas which are difficult to reach with straight line access are blocked off, algorithmically, and closed loop tool paths are used for these regions. The remainder of the machining region having relatively regular boundaries are covered with lacing tool paths which are line segments followed by an arc following the part contour. Lacing eliminates the need for predrilling and takes advantage of the fact that most tools perform better when following straight paths. Information supplied by means of charts that assure the safety of milling successive tool paths without retraction, coupled with retraction requirements (also supplied), provide the parameters needed for automated optimal milling.

REFERENCES:
patent: 4739489 (1988-04-01), Kishi et al.
patent: 4745558 (1988-05-01), Kishi et al.

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