Forming contours

Details Forming contours Forming contours

1981-11-24

1983-09-13

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318523, 364168, G05B 1924

Patent

active

044045077

ABSTRACT:
There is disclosed a method of controlling, and a control system for, an apparatus, such as a machine tool (100), for forming a straight configured contour, or a straight configured segment forming part of a curvilinear contour, and having co-ordinates in at least two directions (X, Y and Z), said apparatus incorporating a work piece support (102), a contour forming means, such as a milling cutter (107), incremental drives (M.sub.X, M.sub.Y and M.sub.Z) to effect relative movement between said support (102) and said milling cutter (107) in said directions, and involving determining the components of said contour or segment in said directions (X, Y and Z) as a number of increments of length equal to a predetermined distance, providing a continuous feed of input pulses in a computer (S B C), continuously counting in the S B C, in respect of each said direction, a predetermined number of input pulses in the ratio of the inverses of said number of increments, and subsequently feeding via motor control (MCB) and motor drive (MDB) boards,

REFERENCES:
patent: 3518513 (1970-06-01), Pomella et al.
patent: 3525917 (1970-08-01), Leenhouts
patent: 3564595 (1971-02-01), De Florio et al.
patent: 4059746 (1977-11-01), Haga
patent: 4066944 (1978-01-01), Leenhouts
patent: 4164693 (1979-08-01), Leenhouts
patent: 4362979 (1982-12-01), Cannon

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