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Process Control Introduces Brushless DC Motors And Drives

Atlanta-based Process Control Corp. (PCC) — a manufacturer of auxiliary machinery for the plastics processing industry — has introduced a new drive/gearmotor package for its auger based, continuous loss-in-weight feeders and blenders. Its X-Series blenders and AFG Gravitrol Additive Feeder and PF Powder Feeder formerly included a pulse width modulator (PWM) drive and a permanent magnet direct current (DC) gearmotor to rotate the metering auger. The new motor drives control both the older permanent magnet motors and the new generation of brushless DC motors.

The new brushless and encoderless gearmotors offer improved reliability, performance and a longer lifespan than previous versions, according to PCC. They have more torque and a larger speed range, and only require two power/gear ratio combinations to cover the required revolutions per minute range for PCC's line of blenders and feeders, as opposed to eight power/gear ratio combinations for the previous permanent magnet gearmotors. The new drive/gearmoter package is 100-percent compatible with currently operating PCC blenders and feeders.

"This new auger drive package represents a major advancement in the performance and reliability of our premium line of gravimetric blenders and feeders," said Dana Darley, general manager, PCC. "We are so confident in this new system, that we are considering a three year warranty on both the drive and gearmotor, whether purchased as an upgrade, spare part or on a new blender/feeder."

May 31, 2011