Analogue control device for abutment-free stroke limitation of m

Details Analogue control device for abutment-free stroke limitation of m Analogue control device for abutment-free stroke limitation of m

1976-11-12

1978-10-24

Schaefer, Robert K.

Electricity: motive power systems

Positional servo systems

With compensating features

318579, 318626, 318627, 318632, G05D 23275

Patent

active

041223799

ABSTRACT:
An analogue control device with at least one electric stroke control emitter for the abutment-free stroke limitation of machine tools, especially honing machines, with which either a tool carrier or the workpiece connected to the machine tool carries out a reciprocatory stroke of adjustable length. As stroke control emitter there is provided a simple resistor which is adjustable in conformity with the machining movement and which is passed through by electric current, while pre-set values of the current or of the voltage generated by the current on the resistor are employed for limiting the stroke. The device also includes a warming-up or conditioning control which makes it possible automatically to carry out a predetermined number of working strokes with changed stroke length, the number and/or stroke length being adjustable.

REFERENCES:
patent: 2885618 (1959-05-01), Belsterling
patent: 3039035 (1962-06-01), Rudolf, Jr. et al.
patent: 3403310 (1968-09-01), Davidoff
patent: 3573586 (1971-04-01), Littwin

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