Grooved pulley and manufacturing method therefor

Details Grooved pulley and manufacturing method therefor Grooved pulley and manufacturing method therefor

F - Mech Eng,Light,Heat,Weapons

16

H

26/174, 74/244

F16H 55/49 (2006.01)

Patent

CA 1268355

ABSTRACT OF THE DISCLOSURE A method for manufacturing a poly-V pulley includes a process for slitting and compressing the peripheral edge portion of an essentially flat blank for forming widened and thickened flange wall. A series of relatively narrow, deep, V-snaped grooves are cold rolled. The poly-V pulley thus produced has the flange wall with poly-V grooves, from the intermediate portion of which a web extends radially inward. This structure provides good dynamic balance of rotation for the pulley and thus prolong life not only of the pulley per se but also a belt to be put around the pulley. Further, the manufacturing method allows to manufacture relatively small diameter poly-V pulley.

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