Motion Control

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.

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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.

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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.

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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.

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Stage System

The OptiScanTMIII system from Prior Scientific (Rockland, MA) is a stage and focus system for routine microscopy procedures requiring high precision. It offers full control in the X, Y, and Z axes via compatibility with OptiScan motorized stages for both inverted and upright microscopes, and Prior’s non-encoded focus motors and FB series motorized focus blocks. The system offers an XY step size of 1.0 micron and Z axis step size of 0.1 micron. S-curve acceleration curve provides smooth movement of the stage. Both the focus and stage can be controlled by joystick or via computer using RS-232 or USB connection. The system is fully compatible with the vast majority of common imaging software. A software development toolkit is also provided with the system.

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BLDC Motor

Nanotec (Feldkirchen, Germany) introduced the DB80 BLDC motor that features a rated speed of 3000 rpm and a rated voltage of 48 V. The 8-pin motor is suited for applications that require a high degree of efficiency, such as service robotics or automated guided vehicle systems. The motor has a flange size of 80 × 80 mm and is available with Hall sensors or encoder. It is supplied with a parallel keyway that enables easy connection. Four lengths cover a performance range from 280 to 940 W. Additional high-performance planetary gear systems can be mounted for high torques. Customer-specific versions with other windings or waveforms are also offered.

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Stepper Motor

Lin Engineering (Morgan Hill, CA) releases the Xtreme Torque E5718 stepper motor with enhanced technology to reduce stalling, skipped steps, and provide efficient torque. The enhanced design allows users to stay within the same frame size and take advantage of increased torque normally available in larger frame sizes. The motor has a holding torque of up to 260 oz-in and is NEMA 23 rated. It also allows for the flexibility to have flying lead wires or a multitude of connector options.

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Brush DC Motors

PITTMAN® Motors, a business unit of AMETEK Precision Motion Control (Harleysville, PA), has introduced the DC032A Series of brush DC motors. The high-torque-density motors are designed in a rectangular package suitable for portable equipment and power tools. The motor body cross-section measures 25 × 32 mm. They are available in three motor lengths with continuous torque from 0.027 to 0.034 Nm, have maximum speed of 6500 rpm, and can be used with DC bus voltages up to 48 Volts. There are eight standard winding variations. The motor construction features a high-energy, 4-pole stator with rare earth magnets. The 13-slot commutation design minimizes torque ripple. The armature slots are skewed for optimum reduction of reluctance torque (LO-COG®), and the motor shaft is supported by shielded ball bearings that are preloaded for low vibration and quiet operation.

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