Features

Brushless Servomotors

PennEngineering® Motion Technologies (Harleysville, PA) offers the MAE® Series BM brushless servo motors that can be equipped with Hall effect sensors and encoders. The motors feature copper integrated in the stator’s winding. They are available in nine models incorporating four- or eight-pole stators. A rotor structure allows maximum magnetic flux. Motor lengths range from 55 mm to 274.5 mm, and external diameters range from 5.1 cm to 10 cm. Rated torque up to 6 Nm and peak torque up to 18 Nm can be reached, depending on the model. The servomotors can be mounted with flanges.

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Conveyor System

The Quickdraw® conveyor system from MagStar Technologies (Hopkins, MN) is designed for lab and cleanroom environments. It stands 2-7/8" and is only 1-1/2" wider than the transport tray. It uses sealed ball bearings rather than belts. The unit allows for variable speed, bi-directional transport, changeable layouts, and precision stopping for tight-tolerance processing. Integrated sensors provide users with conveyor control within specific conveyor zones. The control system is self-contained with plug-and-go operation so no PLC is needed for setup or operation. Sensor, logic, and motor controls are built into the rail for easy access.

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Linear Actuators

The A-Track Series linear actuators from Warner Electric (South Beloit, IL) include a round, ground ball nut, a motor shaft supported by bearings rather than bushings, and limit switch and potentiometer options. The series has four models. All are compact, and will move loads ranging from 25 to 1,330 pounds. They can be located in confined areas and are weatherproof. Maintenance is not required.

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Variable Frequency Drives

AC Technology, a member of the Lenze Group (Uxbridge, MA), has introduced the SMVector drive, featuring a power range of up to 20 Hp. Four modes (v/Hz, enhanced V/Hz, vector speed, and torque), high starting torque, auto-tuning, low-speed control, and dynamic speed regulation are provided. The unit’s input voltage ranges from 120 VAC 1-phase to 600 VAC, 3-phase. The drive also includes an Electronic Programming Module, which is the drive’s memory in a removable chip, allowing users to program multiple drives quickly.

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Servo Converters

The KE/KW series of digital intelligent servo converters from AMK Drives and Controls (Richmond, VA) is comprised of infeed and modules in the power range up to 60 kVA. A compact system, the unit measures 170 × 320 × 160 mm. Using coldplate cooling, power losses in the control cabinet are reduced by placing the unit on a cooled backplane. Up to 32 synchronous servo axes can be controlled for each infeed module, allowing freedom to position the modules.

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High Resolution Actuators

PI L.P. (Auburn, MA) introduced NEXLINE®, a high-force, sub-nanometer resolution linear actuator for telescopic precision. Based on the PiesoWalk® drive principle, the all-ceramic, high stiffness actuators provide pushing/holding forces to 600 N and a resolution better than 0.1 nanometer. They can be run in analog mode for active vibration cancellation and dithering and can operate in magenetic fields or in vacuums. Standard NEXLINE® actuators up to 20 mm are available, although custom and OEM units are feasible.

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Linear Guide Systems

LM76 (E. Longmeadow, MA) offers the Speed Guides™, two series of high-speed, compact linear guide systems. The Speed Demon OSG type and Speed Demon SG type linear guide systems are ideal for used in X, Y, or Z axes, and are designed for speeds up to 10 m/sec., accelerations to 50 m/sec.2, and loads up to 5600 N. The OSG systems are available in five rail and block sizes. Rails feature pre-drilled mounting holes, dual RC60 steel shafting in lengths up to 4 meters, and can be cut to size. Each OSG block features 4 dual-contact roller bearings with two bearings on eccentric mounts. Running straightness is ±0.02 mm regardless of system length. Integral felt wipers, high angular dual contact bearings, and corrosion resistant materials permit installation in a broad range of adverse environments. Shafting options include RC60, 440C, and chrome plating.

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