Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Patent
1975-08-21
1977-06-21
Dobeck, B.
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
318570, 318573, 23515111, G05B 1942
Patent
active
040314456
ABSTRACT:
An automatic milling or grinding machine provided with a rotationally and rectilinearly displaceable workpiece support is disclosed. Sets of information relating to the law of a camming surface to be formed on a workpiece and to workpiece-dependent parameters determining dimensional characteristics of the camming surface, respectively, are stored in the machine. Related items of information derived from each set are operatively associated with one another and a succession of angle information signals are generated, the succession defining a circular arc corresponding to one on which the axis of rotation of a given roller follower would move on following the camming surface. The machine provides pairs of co-ordinate displacement command signals in response to each angle information signal and applies the command signals to orthogonal co-ordinate drive means arranged to displace the workpiece support along the circular arc in a plane perpendicular to the rotational axis of the workpiece support.
REFERENCES:
patent: R28766 (1976-04-01), Villano
patent: 3727119 (1973-04-01), Stanley
patent: 3875382 (1975-04-01), Cutler
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