Products

Linear Actuators

Parker’s Electromechanical Automation Division (Irwin, PA) released the High Moment Rodless (HMR) electromechanical linear actuator series that features five different frame sizes, two different drive train options, an IP54 protective cover option, and multiple motor mounting, carriage, and sensor options. The actuators integrate externally accessible lubrication fittings into the carriage that evenly disperse lubricant across the bearing trucks and ball nut. Two options for chassis profiles are available: basic or reinforced.

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Rod-Style Actuator

The RSA-HT high-force rod-style actuator from Tolomatic (Hamel, MN) can also be considered as a replacement for hydraulic applications and offers maximum force capabilities of 12,900 lbf (57.38kN). Features include an IP67 option, standard purge/breather port, and a lubrication system. The actuator includes a grease zerk for lubrication without disassembly. The purge/breather port allows positive pressure to be applied to the actuator to help keep contaminants out, and functions as a breather port in high-speed applications where internal pressures may exert additional forces on the actuator if sealed.

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Controller Systems

Velmex (Bloomfield, NY) offers VXM controller systems for power systems that drive motorized products including slides and rotary tables. The controller is a 2-phase, unipolar stepper motor controller that can drive and control precise movements, multi-axis, and velocity. The system is capable of controlling up to four motors, one motor at a time. Two motors can be controlled simultaneously for coordinated motion. Features include an intuitive, comprehensive command instruction set; single-chip microcontroller that digitally controls the motor phase switching and all other interface functions; elimination of noise-sensitive step and direction translation circuitry; and resonance-free motor torque from modulated current control.

Posted in: Articles, Products, Motors & Drives

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Brushless DC Motor and Control

Groschopp (Sioux Center, IA) offers a brushless DC motor and control package consisting of brushless DC motors and gearmotors. The motors feature closed loop controls to deliver commutated power and variable speed control, maintaining speed regulation over a wide range of loads. The motors feature 2,600 to 3,800 RPM, 1.8 to 10.8 in-lb torque, 1/7 to 1/3 HP, and aluminum frames. The controls offer closed-loop speed regulation, line and low voltage, and chassis mount and NEMA 4X enclosures. Available options are a holding brake, foot mount, and IP66 compliance.

Posted in: Articles, Products, Motors & Drives

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Computed Tomography Systems

JG&A Metrology Center (Detroit, MI) introduced increased flat panel sizes for computed tomography (CT) systems. Cone beam systems now utilize flat panel technology and scan parts up to 14" (350 mm) in diameter. With increases in LDA sizes as well, the CT systems use line detector array technology when scanning parts up to 26" (650 mm) in diameter. The equipment is used to provide 3D internal part inspection using industrial CT equipment.

Posted in: Products, Detectors

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Data Acquisition and Control

Dataforth Corp. (Tucson, AZ) introduced the MAQ20® industrial data acquisition and control system that features an analog resistance input module for channel protection. It interfaces to three types of 3-wire sensors: 100Ω Pt, 120Ω Ni RTDs, and potentiometers up to 5kΩ. The module has six input channels, each of which is protected up to 240 Vrms continuous overload in case of inadvertent wiring errors. Overloaded channels do not adversely affect other channels in the module. Transient protection is per the ANSI/IEEE C37.90.1 standard; input-to-bus isolation is 1500Vrms. The system can individually configure channels for sensor, range, alarm limits, and averaging. While all channels are enabled by default, those not used can be disabled to increase the sampling rate of channels enabled for scanning.

Posted in: Products, Data Acquisition, Sensors

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Digital Meter

The New Technology Meter (NTM) digital meter from OTEK Corp. (Tucson, AZ) measures and controls processes while operating with less than 50mW of power. It features a full tricolor bargraph with 2% resolution and four alarm set points. The meter includes isolated serial I/O, isolated O.C.T. or SPDT relays, and isolated analog output with P or PID algorithm. Signal failure (open or short) detection with date and time transmission is included. The meter is available in over 30 different input signals in loop or signal powered versions. The meter replaces fit, form, and function of any 6 × 1.74" panel cutout, and has up to two channels. It is available in an industrial plastic or a metal housing, and can meet nuclear or military grades.

Posted in: Products, Measuring Instruments

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