Method and apparatus for grooving tire tread

Details Method and apparatus for grooving tire tread Method and apparatus for grooving tire tread

B - Operations, Transporting

26

D

164/21

B26D 3/06 (2006.01) B29D 30/68 (2006.01)

Patent

CA 1153301

ABSTRACT OF THE DISCLOSURE A method and apparatus for grooving a tire (14) tread in which a computerized numerical controller(64) regulates the positional relationships between the tire and a hot cutting knife(54). The controller(64)through a plurality of servo motors(38,48,58, etc) causes the tire(14)to rotate in a vertical plane while effecting lateral and rotational movement of the cutter knife(54) in each of two planes. During the cutting operation, the controller(64)regulates the temperature of the cutting knife(54)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(54)temperature.

375532

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