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Page History: Delta 6x48 Sander Motors and Pulleys

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Page Revision: 2009/04/24 23:00


IN PROGRESS

Motor Sizing

From the 1936 "Delta 6" Belt Sander" publication{Reference:http://www.owwm.com/mfgindex/pubdetail.aspx?id=1873|Delta 6" Belt Sander}: "It is inadvisable to install less than a 1/2 h.p. motor in a unit of this size, and a 3/4 h.p. motor with double V-belt drive should be employed if very heavy sanding is to be done. Only a constant speed, repulsion-induction motor should be used." With the quality of modern V-belts, a single belt drive should be sufficient. Earlier motor horsepower ratings were more conservative than today, especially for repulsion-induction motors. Late model sanders were supplied with a 1.5 hp induction motor.{Reference:http://owwm.org/viewtopic.php?t=16336|Delta 6x48 belt sander motor size}

Pulley Sizing

From the 1936 "Delta 6" Belt Sander" publication{Reference:http://www.owwm.com/mfgindex/pubdetail.aspx?id=1873|Delta 6" Belt Sander}: "With a 1725 r.p.m. motor, the pulley recommendations are 5 in. for the motor and 4 in. for the sander, giving a belt speed on 3100 feet per minute. This is a good all-around average for general work, and is as fast as the belt can be operated for woodworking without glazing or burning." For a 3450 rpm motor, a half sized (2.5") pulley would be suitable.

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