Numerical control method and apparatus therefor

Details Numerical control method and apparatus therefor Numerical control method and apparatus therefor

1983-05-31

1986-07-15

Ruggiero, Joseph

Boots, shoes, and leggings

318571, 364174, 364180, 364474, G05B 19405

Patent

active

046009850

ABSTRACT:
First and second tool control blocks respectively precede and follow a corner on a tool path. A pulse distribution computation based on NC command data in the second block is not executed at the instant that a pulse distribution computation based on NC command data in the first block ends. Rather, a pulse distribution computation based on the NC command data in the second block is performed starting at the instant that a feed speed based on the NC command data in the first block is reduced to a prescribed speed by being decelerated. As a result, the torch of a gas cutting machine or the like will cut the corner portion quickly with a high degree of accuracy and without cutting the corner to an overly rounded shape.

REFERENCES:
patent: 3058657 (1962-10-01), Tripp
patent: 3866179 (1975-02-01), McGee et al.
patent: 4250438 (1981-02-01), Onoda
European Search Report, The Hague, May 28, 1985, Examiner: Cornillie.

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