Air breaking type machine tool

Electricity: motive power systems – Automatic and/or with time-delay means – Pressure in a fluid or granular material

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Details

318632, 318340, 318616, 731181, 73138, B23Q 510, F16C 3206

Patent

active

058699414

ABSTRACT:
The present invention provides an air bearing type machine tool capable of carrying out a process with a high load for cutting iron or the like and controlling the degree air is used. The air bearing type machine tool includes a main shaft, an air bearing supporting the main shaft, and an air pressure regulating device capable of regulating the pressure of air supplied to the air bearing. The air pressure regulating device, in turn, has an air feed portion supplying air to the air bearing, a processing load detection device for detecting the degree of processing load, a processing power detection device for detecting the degree of processing power, and an air pressure defining device for controlling the pressure of air fed from the air feed portion by using the detected values of the processing load and the processing power. The pressure of air supplied to the air bearing can be changed, so that the rigidity of the air baring can be changed in response to the processing load or the like, that is the process with from the low load to the high load can be carried out, with the result that the used air can be controlled at the minimal required amount.

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