Grinding-band swaying device for a band grinding machine

Details Grinding-band swaying device for a band grinding machine Grinding-band swaying device for a band grinding machine

2005-04-19

2005-04-19

Nguyen, Dung Van (Department: 3723)

Abrading

Machine

Endless band tool

C451S310000

Reexamination Certificate

active

06881136

ABSTRACT:
A grinding-band swaying device for a band grinding machine includes a motor pivotally connected with a machine base and driving an endless grinding band around two rollers and forming a fulcrum for swaying, a speed-reducing unit and an eccentric wheel. The speed-reducing unit is positioned under the motor, having a shaft connected with the eccentric wheel. An elastic compressing unit is provided between the speed-reducing unit or the motor and the machine base, and then the eccentric wheel is kept to elastically urge the machine base. When the motor together with the speed-reducing unit rotates the eccentric wheel, the speed-reducing unit, the motor and the roller sway regularly with the fulcrum and then the endless grinding band moves forward and also sways regularly synchronously to perform grinding against a work with grinding angles constantly altered to achieve balanced grinding result.

REFERENCES:
patent: 4926602 (1990-05-01), Crouch
patent: 4939870 (1990-07-01), Wang
patent: 6102787 (2000-08-01), Schroeder et al.
patent: 6283841 (2001-09-01), Wang
patent: 6471568 (2002-10-01), Wang

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