Grooved pulley and manufacturing method therefor

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

1988-01-06

1989-10-17

Bui, Thuy M.

Endless belt power transmission systems or components

Friction drive pulley or guide roll

Including plural, coaxial, circumferential belt-receiving...

474170, F16H 5532

Patent

active

048743534

ABSTRACT:
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 a widened and thickened flange wall. A series of relatively narrow, deep, V-shaped 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 prolongs the life not only of the pulleys per se but also the belt to be put around the pulley. Further, the manufacturing method allows the manufacture of relatively small diameter poly-V pulleys.

REFERENCES:
patent: 2471969 (1949-05-01), Meyer
patent: 3977264 (1976-08-01), Sproul
patent: 4551122 (1985-11-01), Kraft et al.

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