Wheelwright machines – Grooving – slitting and/or lacerating of rubber tires
Patent
1984-09-27
1988-11-08
Smith, James G.
Wheelwright machines
Grooving, slitting and/or lacerating of rubber tires
B29H 2108
Patent
active
047828811
ABSTRACT:
A method and apparatus for grooving a tire tread in which a computerized numerical controller regulates the positional relationships between the tire and a hot cutting knife. The controller, through a plurality of servo motors, causes the tire to rotate in a vertical plane while effecting lateral and rotational movement of the cutter knife in each of two planes. During the cutting operation, the controller regulates the temperature of the cutting knife in accordance with the contour of the cut and the rate at which it is being made. Additionally, the computerized numerical controller is operator-programmable, providing for the generation of a program while the knife is caused to trace a tread design. The method and apparatus achieves simultaneous five-axis control of the tire grooving operation with concurrent regulation of the knife temperature.
REFERENCES:
patent: 4016020 (1977-04-01), Ongaro
patent: 4080230 (1978-03-01), Batchelor et al.
patent: 4081017 (1978-03-01), Appleby et al.
patent: 4237955 (1980-12-01), Clayton
Brinkley Max D.
Greenhorn Richard J.
Maloney John M.
Mangun Clifford O.
Lewandowski T. P.
Smith James G.
The Goodyear Tire & Rubber Company
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