Motion Control

Right-Angle Gear Drives

Torque Transmission (Fairport Harbor, OH) has introduced a line of right-angle gear drives housed in glass-reinforced nylon, and are available in two model groups: RAB (standard right-angle drive) and MAD (for miniature angle drives). Both models feature one or two inputs and 1:1 or 2:1 gear ratios. RAB gear drives measure 3-21/32 × 3-15/16 × 1-1/4" deep and weigh 12 ounces. They employ shielded, lubricated, hardened steel ball bearing and gears, and are rated at 1600 RPM and 1/3 horsepower maximum speed of 3000 RPM.

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Control System Software

SERVOSHAFT motion system control software from Danaher Motion (Wood Dale, IL) enables users to run all three functions of a control system (SCADA function, PLC, and motion control) from their own computers. The software meets IEC standard 61131-3 and supports the SFC, FBD, LD, ST, and IL programming languages. An OPC server enables communication with each SCADA system, and the platform also supports data exchange with PROFIBUS and CANopen.

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Ionizers

A line of Koganei blow-type ionizers is available from Humphrey Products Co. (Kalamazoo, MI). Designed to remove static electricity and dust, the device is available in one-head, two-head, and compact models. A range of optional solid and flexible nozzles provides coverage from a wide area, to as close as 1 mm from the workpiece. Low-voltage DC power supplies a high-voltage AC transformer that produces a high-frequency AC field.

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Motor Protection Circuit Breakers

The Series 330 motor protection circuit breakers from c3controls (Beaver, PA) are available with thermal and magnetic trip elements providing overload and short circuit protection, and magnetic trip element only for short circuit protection. Both units come in universal rating and markings (A, kW, and HP), as well as third-party certification markings. They meet UL and CSA standards requirements as Manual Motor Controllers for use as Motor Disconnects, and meet National Electrical Code requirements for use in multi-motor applications. Also included are visible trip indicators for fast identification of which device tripped in a control panel where multiple motor protection breakers are installed.

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DC/DC Converter

Texas Instruments (Dallas, TX) has announced the DCP010507DB, a 1-W isolated, unregulated DC/DC converter, supporting an operating temperature range of -40 °C to 100 °C. The module provides thermal shutdown and short-circuit protection, and device-to-device synchronization control for applications with multiple converters.

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Non-Contact Transducer

Balluff (Florence, KY) offers the Micropulse™ BIW transducer that uses a patented, pulsed-inductive technology. It features a wear-free, non-contact design that can be used where linear pots are used, such as plastic injection molding machines, blow molding machines, stamping presses, and hydraulic motion bases. The transducer is available with an analog 0 to 10V or -10 to +10V output. It has a >20 kHz update rate, non-linearity of ±0.02%, and resolution to 5 microns. It is available in stroke lengths from 75 to 750 mm.

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Accelerometers

Wilcoxon Research (Gaithersburg, MD) has introduced the 788A accelerometers that feature a sensitivity of 100 mV/g. The accelerometer is a single-axis sensor with an acceleration range of +50 g. High-frequency response measurements up to 10 kHz identify faults and improper machine operation. Typical noise is 4 mg at 100 Hz. The unit operates at temperatures between -50 and 120 °C. Applications include vibration monitoring of fans, motors, pumps, blowers, compressors, chillers, gearboxes, and mixers.

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