Motion Control

PWM Servo Drives

ACS Motion Control (Bloomington, MN) offers the NPMPM Series of dualaxis EtherCAT NanoPWM™ pulse width modulation servo drives. When utilized with the optional 10-MHz laser encoder interface and ServoBoost™ control algorithm, positioning systems can achieve speeds above 2 m/s, sub-nanometer jitter values, nanometer velocity tracking errors, and low settling time with minimal sensitivity to disturbances and load changes. Features include two drives per unit, voltage and current range of 12 VDC – 100 VDC and up to 13.3A / 40A (cont./peak), digital I/O, two Position Event Generators and 2 general-purpose outputs, analog I/O inputs of 4- and 12-bit resolution ±10V, and outputs of 4- and 16-bit resolution ±10V. For Free Info Visit http://info.hotims.com/55594-304

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Brushless DC Motors

PITTMAN® Motors, a business unit of AMETEK Precision Motion Control (Harleysville, PA), introduced the EC042B brushless DC motor series. The high-torque-density model is designed as a general-purpose servomotor. Its NEMA 17 mounting configuration is adaptable to most metric mounting requirements. The motors are available in three motor lengths with a continuous torque range of 11 Ncm – 31 Ncm, and a peak torque range of 35 Ncm – 99 Ncm. It has a maximum speed of 9,000 rpm and can be used with DC bus voltages up to 96V. There are eight standard winding variations, with custom windings available. The motor construction features a 4-pole rotor with rare earth magnets for high torque-to-inertia ratio. The stator assembly is designed with low-loss materials for higher-speed applications. The motor shaft is supported by shielded ball bearings that are preloaded. The motors are available with optional planetary gearboxes and optical incremental encoders with line counts up to 2,048, three channels, and line driver. For Free Info Visit http://info.hotims.com/55594-305

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Drives

NORD Gear Corp. (Waunakee, WI) offers the SK 180E drives for applications that do not utilize the scope of functionality found in frequency inverters. The drives focus on the functionality necessary for pumps and conveyor technology. They offer a continuous range of performance and optional features for a variety of applications. The series includes three digital inputs, two digital outputs, two analog inputs, an integrated 24V power supply, input power range of 115V single phase to 480V threephase operation, 0.33 to 3.0 HP, AS interface onboard, and operating software for controlling, programming, and diagnosis. For Free Info Visit http://info.hotims.com/55594-306

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Brushless Electric Motor

maxon precision motors (Fall River, MA) offers the EC-4pole 30 brushless DC motor that features two pole pairs, and provides a nominal torque of 106 mNm and an output of 150 W. It has a hermetically sealed rotor to withstand more than 1,000 autoclave cycles. The motor is equipped with the ironless maxon winding. The torque and current behave linearly and the drive can be overloaded. It is available with an optional Hall sensor, as well as a hollow shaft with a diameter of up to 4.1 millimeters. For Free Info Visit http://info.hotims.com/55593-300

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Variable Frequency Drive

Mitsubishi Electric Automation (Vernon Hills, IL) introduces the F800 Series variable frequency drive (VFD) for precise motor speed control. The low-voltage motor is designed to improve efficiency of air movement through HVAC systems. It controls and supports multiple motor types, including AC induction and permanent magnet motors, eliminating the need to specify multiple VFDs to address various motor control needs.

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Conveyor Drive

The NORD Screw Conveyor Package from NORD Gear Corp. (Waunakee, WI) offers closely stepped speed reduction ratios and a directly coupled gearmotor or NEMA C-face input design that eliminates the need for top motor mounts, pulleys, belts, or guards. Screw conveyor drive options feature a UNICASE™ reducer housing, Quadrilip™ reducer shaft sealing, and optional high-capacity output bearings with CEMA standard flange mounting and CEMA drive shafts ranging from 1-1/2" to 3-7/16".

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Motor Brakes

X-Small motor brakes from Warner Electric (South Beloit, IL) are spring-set holding brakes for applications in industries such as aerospace and medical equipment. The electrically released brakes are designed for engaged/disengaged holding applications such as seat adjustment on airplanes, but can provide a low-cycle-rate stopping action in emergency situations. They will remain engaged in the event of a power failure, making them suited to applications where integrity of the holding force is imperative. The brake range consists of six standard sizes from 22 mm to 33.5 mm diameter, and offers up to 50 Ncm of static torque. For Free Info Visit http://info.hotims.com/55593-303

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