Numerical control method

Details Numerical control method Numerical control method

1982-06-18

1985-03-19

Ruggiero, Joseph F.

Boots, shoes, and leggings

318573, 364169, 364191, G06F 1546, G05B 1941

Patent

active

045063311

ABSTRACT:
A numerical control method for controlling a numerical control device and prereading the numerical control data in a succeeding block during the execution of numerical control in accordance with the current block. A plurality of line segments, each specified by a block of numerical control data, approximate a curve. When the length of a line segment is less than a prescribed length (defined by required machining precision), control of movement of a member such as a tool based on the data specifying said line segment is skipped. This eliminates intermittent tool movement, improves machining precision, and prevents damage to the machine tool.

REFERENCES:
patent: 3629558 (1971-12-01), Coggin
patent: 3806713 (1974-04-01), Ryberg
patent: 4150328 (1979-04-01), Cannon
patent: 4164693 (1979-08-01), Leenhouts
patent: 4423481 (1983-12-01), Reid-Green et al.
European Search Report, The Hague, Date: 03-14-84, Examiner: Cornellie.

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