Motion Control

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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Drive Software

ADVANCED Motion Controls (Camarillo, CA) offers DriveWare® 7.3 (DW7.3) that streamlines and simplifies setup and configuration of DigiFlex Performance digital servo drives. The color-coded organization of the Drive Status screen helps quickly identify events and faults, while the integrated help browser automatically highlights appropriate help topics in the table of contents. The caption and status bars provide immediate visibility of important settings such as mode, command source, bridge state, gain settings, and feedback sources. Toolbars are organized into groups for common tasks such as standard navigation, drive configuration, command configuration, and Motion Engine.

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Brushless DC Motor

BEI Kimco Magnetics (Vista, CA) introduced the DII15-60-200A High Pressure High Temperature (HPHT) brushless DC (BLDC) motor developed specifically to withstand harsh conditions found in the oil exploration Industry. The robust design also makes it suitable for other applications found in severe environments. The 1.5" diameter motor provides a solution for severe down-hole applications such as mud pulser valves, caliper deployment, and sensor positioning. The motor operates under continuous duty in temperatures up to 205 ºC and pressures up to 30,000 psi.

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Servo Motor Brakes

Nexen Group (Vadnais Heights, MN) offers Eclipse Servo Motor Brakes that consume no energy when the brake is disengaged. It is springengaged/ air-released (no electric coil) to keep the brake cool until it is needed. The brakes mount to the shaft end of servomotors up to 20 horsepower, including NEMA 23, 34, and 42 frame sizes. The brake’s square-shaped housing allows flexibility to make the mounting features match the motor dimensions. The brake’s output end duplicates the motor mounting features. The input end bore accepts the motor shaft and is fixed inside the brake with a split-hub/shaft collar arrangement.

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AC Drive

Vacon (Milwaukee, WI) introduced the NXC drive, an enclosed, variable-speed AC drive for high-power applications. It is available in NEMA 1 and NEMA 12 variations for applications in pumps and fans, extruders, main propulsion and bow thrusters, conveyers and crushers, feeders and mixes, winches, compressors, test benches, static power supply, and industrial elevators. It is available with a standard diode front end, or with an active front end when there are requirements for low harmonic, and/or the capability of regenerating 100% of its power back to the incoming line.

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