Feed rate controller for thickness sanding machine

Details Feed rate controller for thickness sanding machine Feed rate controller for thickness sanding machine

1995-08-03

1998-02-24

Smith, James G.

Abrading

Precision device or process - or with condition responsive...

With indicating

451178, 451340, 451396, B24B 4900, B24B 5100

Patent

active

057206481

ABSTRACT:
A drum sanding machine having a vertically-adjustable sanding drum mounted over a conveyor, where the sanding drum is direct-coupled to an AC drive motor. The conveyor includes an endless loop belt connected to a variable speed DC motor, and a feedback circuit is connected to monitor the AC drive motor current and to develop a feedback signal to slow the DC motor when the AC motor drive current exceeds a predetermined value.

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patent: 5421126 (1995-06-01), Strege

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