Pneumatic control device for terminating the machining operation of a spindle machine
AssigneesRegie Nationale des Usines Renault, Automobiles Peugeot
InventorsBernard Poisson, Guy Steydle
Life of this patent
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Abstract
The invention relates to a pneumatic device for controlling the termination of an operation on a workpiece by means of the spindle of a machine. Said device comprises, around the front or tool end of the spindle, a sleeve provided with a front seal adapted, at the end of the operation, to engage the workpiece or a jig clamping same, so as to form with said workpiece or jig a closed, sealed space supplied with compressed air, an air exhaust port opening into said space and being adapted to be connected to a pneumatic receiver for controlling the end of the operation.
Claims7
A pneumatic control device for terminating the machining operation of a machine tool having a spindle comprising, in combination, a sleeve disposed in surrounding relationship with the tool end of the spindle, a front seal on the forward end of said sleeve, said front seal being engageable in sealing relationship with a workpiece or a jig accommodating a workpiece to form therewith a closed, sealed chamber having an inner wall at the end of the machining operation, a port in said chamber inner wall, supply means for introducing compressed air into said chamber, conduit means connected to said port for exhausting the compressed air from said chamber and a pneumatic receiver connected to said exhaust conduit means for controlling the end of the machining operation.
Dependencies are inferred from the claim text.