Attachment of workpieces on a lathe

Details Attachment of workpieces on a lathe Attachment of workpieces on a lathe

1998-04-13

1999-11-30

Howell, Daniel W.

Turning

Work driver

82112, 279 8, B23B 3300

Patent

active

059922788

ABSTRACT:
A kit for use in attaching and securing workpieces comprising hubless brake drums and rotors of various sizes on a lathe includes an arbor mount comprising a substantially cylindrical tube portion with an enlarged terminal member at one end. The arbor mount has a central bore adapted to receptive the shaft of the lathe. The kit also includes a pair of backing plates which can acommodate various sized workpieces. Each plate has a central hole with a diameter of sufficient size so that the tube portion of the arbor mount may pass therethrough. The first side of each plate is adapted to receive the terminal member of the arbor mount, and each plate is adapted to be positioned over the tube portion of the arbor mount with the terminal member behind a workpiece. The kit also includes a pair of centering cones which can accommodate various sized workpieces. Each of the cones has a central bore which is adapted to receive the tube portion of the arbor mount in sliding engagement therewith, and to be positioned over the tube portion of the arbor mount with the smaller end of the cone preceding its larger end and secured against the end wall of a workpiece. The kit also includes a compression cup for use with one of the plates and one of the cones. This cup has a base portion and a sidewall, and the base portion has a central hole that is adapted to receive the tube portion of the arbor mount. The sidewall terminates in a peripheral edge that is located so as to correspond with the periphery of one of the plates. The cup is adapted to be positioned and secured over the arbor mount so that compressive forces may be applied to the end wall of a workpiece between the peripheral edge of the sidewall of the cup and the periphery of the plate. A nut is used to secure a cone or the cup on the tube portion of the arbor mount.

REFERENCES:
patent: 4140032 (1979-02-01), Besenbruch et al.
patent: 4165662 (1979-08-01), Besenbruch et al.
patent: 4708041 (1987-11-01), Granger
patent: 5560271 (1996-10-01), Duty
patent: 5615589 (1997-04-01), Roach
patent: 5737985 (1998-04-01), Rimlinger, Jr.
Rels Manufacturing Company, "Brake Lathes Adaptors and Accessories" Catalog, pp. 4-6.
Rels Manufacturing Company, "204 Series Brake Lathe Instruction Manual," pp. 10-11.

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