Abrading – Abrading process – Ring – tube – bushing – sleeve – or cylinder abrading
Patent
1998-07-21
1999-11-09
Scherbel, David A.
Abrading
Abrading process
Ring, tube, bushing, sleeve, or cylinder abrading
451 49, 451 53, 451178, 451236, B24B 100
Patent
active
059803649
ABSTRACT:
A method and apparatus for cutting rings from forging stock is described. The invention includes a rigid machine base affixed to a horizontal mounting surface. A rotating headstock, capable of at least one speed is permanently mounted to the machine base. A four-jaw chuck is removably attached to the front face of the rotating headstock for mounting forging stock of irregular cross-section. A three-jaw chuck is removably mounted in the four-jaw chuck for holding forging stocks of regular cross-section. An abrasive cut-off wheel is removably mounted to a rotating saw arbor. The saw arbor is pivotally mounted parallel to the axis of rotation of the headstock. The pivotal mounting for the saw arbor is slidably mounted to the machine base so that the distance form the cut-off wheel to the front face of the headstock may be varied by the operator to cut rings of varying thickness. A digital readout and incremental adjustment means are provided to control the movement of the saw arbor along the length of the forging stock. Both automatic and manual means are provided to cause the cut-off wheel to pivot toward the rotating forging stock clamped in the chuck. Means are provided to control the surface cutting speed of the cut-off wheel as it decreases in size from wear. Means are also provided to cool the cut-off wheel and forging stock as the forging stock is cut into rings, as are means to remove particulate matter from the exhaust stream from the cut-off wheel. When the operator desires to cut forging stock of regular cross-section, the three-jaw chuck and automatic saw feed are employed. When the operator desires to cut forging stock of irregular cross-section, the independently adjustable four-jaw chuck and manual saw feed are employed.
REFERENCES:
patent: 3756102 (1973-09-01), Casey
patent: 4052822 (1977-10-01), Obear
patent: 5846121 (1998-12-01), Hayashi et al.
Belasco David A.
McDonald Shantese
Pavitt William H.
Scherbel David A.
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