Arrangement for increasing the precision of a machine tool

Details Arrangement for increasing the precision of a machine tool Arrangement for increasing the precision of a machine tool

1980-01-23

1982-10-19

Vlachos, Leonidas

Turning

Process of turning

408 11, 408 13, 408 16, B23B 310, B23B 1100

Patent

active

043544045

ABSTRACT:
A machine tool is provided with an arrangement for increasing its precision by compensating for deviations in tool positioning caused by factors, such as elastic deformation of the machine structure, which vary in their effect in dependence on the current working state of the machine tool. The arrangement includes a compensator device arranged to physically act upon the machine tool to cancel at least one deviation component, and signal processing means controlling the action of the compensator device in dependence on the current machine working state as sensed by a plurality of transducers. The signal processing means stores data interrelating the machine working state to a corresponding appropriate magnitude of action of the compensator device.

REFERENCES:
patent: 3548172 (1970-12-01), Centner et al.
patent: 3730051 (1973-05-01), Hatzig
patent: 3967515 (1976-07-01), Nachtigal
patent: 3988965 (1976-11-01), Cayen et al.
patent: 4131837 (1978-12-01), Whetham
patent: 4157231 (1979-06-01), Phillips
patent: 4178834 (1979-12-01), Holstrom

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