Special Coverage

Iodine-Compatible Hall Effect Thruster
Precision Assembly of Systems on Surfaces (PASS)
Development of a Novel Electrospinning System with Automated Positioning and Control Software
2016 Create The Future Design Contest Open For Entries
Clamshell Sampler
Shape Memory Alloy Rock Splitter
Deployable Extra-Vehicular Activity Platform (DEVAP) for Planetary Surfaces
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Linear Stage

Bell-Everman (Goleta, CA) offers the SLS Light sealed linear stage that keeps contamination such as manufacturing debris, particulate, or liquid contaminants outside of the stage housing. The stage measures 80 x 120 mm, and has maximum dynamic payloads of 15 kg for the direct drive linear motor version and 30 kg for the ball screw version. Both sizes deliver a proprietary linear lip seal design that integrates with the stage’s anodized aluminum housing. The seal is made from a ruggedized polyurethane elastomer and resists chemicals, temperature extremes, and mechanical wear. The seal can be replaced without disassembling the stage or removing payload. Applications include any application where contaminants can threaten the smooth operation of a linear actuator including laser machining, welding, semiconductor, and machining. For Free Info Visit http://info.hotims.com/55594-317

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Position and Angle Measurement

The BML series from Balluff (Florence, KY) offers absolute position and angle measurement for installation or direct integration into drive and positioning systems. The magnetically encoded systems with Permagnet® nonius technology feature IP 67 housing for external installation. As an open kit for integration, they can be used in rotary applications as well. The formats, strokes, and end positions of axes can be adjusted automatically. The absolute encoder disk can be integrated into motors and actuators as an absolute feedback solution.

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Linear Guide System

PBC Linear (Roscoe, IL) released the Compact Series low-profile linear guide system for repeatable linear motion in tight spaces. The system features a 23-mm standard height, and can be configured to adapt to specific applications in automation, medical, dispensing robotics, and electronic board manufacturing. Options include Gliding Surface Technology bearings with a self-lubricating and maintenance-free liner, Profile Rail Technology for rigid performance, 6- and 10-mm-diameter lead screws in a variety of leads, Constant Force™ patented anti-backlash nut or standard fixed nut, and integrated NEMA 17 or 23 stepper motors, motor mount options, or manual hand knob. For Free Info Visit http://info.hotims.com/55594-302

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Linear Encoder

MICRONOR (Newbury Park, CA) introduced the MR303 linear position sensor system for OEM motion control applications. With 100-μm resolution and 50-μm accuracy, the encoder is suitable for medical, MRI, robotic, and industrial applications where position and speed must be precisely monitored, and electromagnetic immunity and invisibility is required. The sensor works in conjunction with the MR302-2 OEM controller that enables the sensor to integrate with conventional PLC controllers and servo drives. For Free Info Visit http://info.hotims.com/55594-307

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Rotary Encoders

POSITAL (Hamilton, NJ) released programmable incremental rotary encoders, en - ab l ing performance characteristics such as resolution (number of pulses per turn) and incremental pulse direction (A before B or B before A) to be modified by changing firmware parameters. The characteristics of the output driver can similarly be set to either Push-Pull (HTL) or RS422 (TTL). The encoders are based on magnetic measurement technology, and are compact and resistant to shock and vibration loadings. Resolution can be set in the range of 1 to 16,384 pulses per turn. They are available with high-performance seals for use in extreme environmental conditions. For Free Info Visit http://info.hotims.com/55594-303

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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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