Turning – Severing or cut-off – Interrelated means for tool infeed and circumrotation
Patent
1986-01-07
1987-02-17
Vlachos, Leonidas
Turning
Severing or cut-off
Interrelated means for tool infeed and circumrotation
82 34R, 407 11, 408 56, B23B 2924
Patent
active
046430563
ABSTRACT:
The invention is a rotary selectively directional valve assembly for use in an automated turret lathe for directing a stream of high pressure liquid machining coolant to the interface of a machine tool and workpiece for breaking up ribbon-shaped chips during the formation thereof so as to inhibit scratching or other marring of the machined surfaces by these ribbon-shaped chips. The valve assembly is provided by a manifold arrangement having a plurality of circumferentially spaced apart ports each coupled to a machine tool. The manifold is rotatable with the turret when the turret is positioned for alignment of a machine tool in a machining relationship with the workpiece. The manifold is connected to a non-rotational header having a single passageway therethrough which conveys the high pressure coolant to only the port in the manifold which is in registry with the tool disposed in a working relationship with the workpiece. To position the machine tools the turret is rotated and one of the tools is placed in a material-removing relationship of the workpiece. The passageway in the header and one of the ports in the manifold arrangement are then automatically aligned to supply the machining coolant to the machine tool workpiece interface for breaking up of the chips as well as cooling the tool and workpiece during the machining operation.
REFERENCES:
patent: 3375742 (1968-04-01), Sturm
patent: 3726363 (1973-04-01), Sussman
patent: 4164879 (1979-08-01), Martin
Arehart Theodore A.
Carey Donald O.
Hamel Stephen D.
Hightower Judson R.
Larcher Earl L.
The United States of America as represented by the United States
Vlachos Leonidas
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