Tapered thread numerical control system for a lathe

Details Tapered thread numerical control system for a lathe Tapered thread numerical control system for a lathe

1974-10-15

1976-04-06

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318573, 318603, G05B 1924

Patent

active

039492850

ABSTRACT:
A lathe numerical control system for cutting a tapered thread by a cutting tool that is moved along a rotating workpiece in steps on both a lead axis and a radius axis. Synchronism of movement along both axes with the workpiece rotation is achieved by an encoder producing a set number of pulses per revolution of the workpiece and these pulses are directed simultaneously to a lead axis path and a radius axis path with each path effectively dividing its encoder pulses to produce the steps needed for the tool movement to produce a thread for each revolution.

REFERENCES:
patent: 2964252 (1960-12-01), Rosenberg
patent: 3267344 (1966-08-01), McDanial
patent: 3278817 (1966-10-01), Johnson et al.
patent: 3725651 (1973-04-01), Cutler
patent: 3734421 (1973-05-01), Karlson et al.

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