Intelligent Servo and Brushless Motors Now Available with High Torque and Efficiency Wormetary™ Gearing

Innovative worm and planetary gear combination designed for solar, medical and motion control applications requiring self-locking capability and resistance to shock loads without sacrificing energy efficiency.

Intelligent Servo and Brushless Motors Now Available with High Torque and Efficiency Wormetary™ Gearing
Elgin, IL, August 07, 2012 --( To meet requirements in solar tracking, medical diagnostic and motion control applications for high torque, low output speed gearmotors with self-locking capability without sacrificing energy efficiency, Dunkermotor, part of Ametek Precision Motion Control, has added its unique Wormetary™ gearing to its complete line of intelligent servo and brushless dc motors. The intelligent servo motors feature integral control capabilities ranging from 4-quadrant digital speed or positioning to master electronics, including CANopen, Profibus and EtherCAT fieldbus connectivity.

The new Dunkermotor brushless Wormetary™ gearmotors combine right angle worm gearing to turn the corner with an efficient planetary gearbox for reduction ratios up to 35,000:1 and peak torque capability up to 320 N-m (2,832 in-lbs). Compared to worm gearing alone, at an overall ratio of 80:1 the new configuration is 2.5 times more energy efficient.

The Wormetary™ gearing can be configured as either backdrivable or non-backdrivable. With planetary gearing in its output stage, the load is spread over many contact points around each gear, thus offering much greater protection from shock loading than helical gears used in other high efficiency right angle gearmotors.

"The Wormetary™ gearing offers the high reduction ratios needed for solar trackers' very low speed operation. Their high torque output matches the PV array hardware load and the non-backdrivable feature and resistance to shock loads are needed to resist wind loads," said John Morehead, Dunkermotor vice president, business development. "We believe our intelligent brushless Wormetary™ gearmotors are ideally suited for solar tracking applications, while many of these benefits, including the motors' integral, networkable intelligence, position them ideally for a variety of medical applications."

The low voltage (12-42 volt) brushless motors are available in 42, 44, 45, 65 and 75 mm frame sizes, with power up to 530 Watts (0.71 hp) and are part of a modular system that includes not only gearing, controls and fieldbus interfaces, but also encoders and brakes.

Dunkermotor's Wormetary™gearmotors can be provided with environmental protection up to IP65. To meet customers' international use requirements, Dunkermotor's brushless DC and Intelligent Brushless DC, iBLDC™, motors (as well as brushed DC motors) have received not only UL and cUL certifications for the U.S. and Canada but also CE and CCC certifications for the European and Chinese markets.

About Dunkermotor

Dunkermotor is the North American go-to-market name for Dunkermotoren GmbH, now part of AMETEK Precision Motion Control. Since 1950, Dunkermotoren has been recognized as the global quality and value leader in customized, configurable sole-source fractional horsepower motion control solutions composed of BLDC, PMDC and AC electric motors, gearmotors, controls, encoders and brakes, as well as linear motors. In 2011 Dunkermotoren produced over 3.4 million motors for the factory and commercial automation, specialty machinery, medical, solar power, packaging, semiconductor and mass transportation industries.

In May 2012, Dunkermotoren became part of AMETEK Precision Motion Control, a division of AMETEK’s Electromechanical Group (EMG). AMETEK EMG, with 2011 sales of $1.3 billion, is a leader in technical motors and associated systems, electrical interconnects, and specialty metals. AMETEK, Inc. (NYSE: AME) is a leading global manufacturer of electronic instruments and electromechanical devices with annualized sales of $3.3 billion.
Dunkermotoren USA Inc.
John Morehead