Features

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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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. For Free Info Visit http://info.hotims.com/55593-304

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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. For Free Info Visit http://info.hotims.com/55593-305

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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. For Free Info Visit http://info.hotims.com/55593-308

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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. For Free Info Visit http://info.hotims.com/55593-306

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Stages

Aerotech’s PlanarDLA integrated, open-frame stages from Aerotech (Pittsburgh, PA) are suited for applications ranging from two-sided LED wafer processing where high dynamics and micrometer-level straightness are required, to quasi-static optical metrology where high accuracy and precise geometric performance are necessary. The XY design is optimized for applications where straightness and flatness of motion are critical. High-precision roller bearings, precision-machined surfaces, and non-contact direct-drive linear motors driving through the axes’ center-of-stiffness result in a positioning stage with straightness to ±0.5 μm and flatness to ±1.25 μm.

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Power Chuck

SMW Autoblok (Wheeling, IL) introduced the BIG BORE® BB-EXL-SC2G front-end spring clamp power chuck featuring a jaw stroke of 1.5 inches, as well as increased safety monitoring. It utilizes spring clamping and pneumatic unclamping with lower air consumption. It has a step mode for partial opening and clamping when shimming. As a self-centering chuck, it has an open and clamp time of less than three seconds.

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