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Magnetic Brakes

Danaher Motion (Wood Dale, IL) released the Thomson-Deltran Power-Off Magnetic Brake (PMB) series of power-off DC, spring-set, multifunctional brakes. Nine standard frame sizes from 30 to 120 are available. Torque range is 45 lb-in to 4,250 lb-in (5 to 48 Nm), in diameters from 3.30 to 11.89". Operating voltages of 24, 90, and 190 VDC are standard (other voltages are available on request). An adjustment collar allows brake torque to be varied, and the fully potted coils come under class “F” insulation.

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Hybrid Linear Actuator

Haydon Switch & Instrument (Waterbury, CT) released size 8 hybrid linear actuators with encoder feedback. Encoder resolutions range from 120 to 330 cycles per revolution, or 480 to 1,200 pulses per revolution; encoder operating temperatures are -10 to 85°C. The optical incremental encoder design is available with two-channel quadrature TTL squarewave outputs. The units are available in resolutions ranging from 0.00006 to 0.00157" per step, and deliver thrusts of up to 10 lbs.

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Incremental Encoder

From SICK STEGMANN, INC. (Dayton, OH), the DRS61 CoreTech® Incremental Encoders can be programmed the number of lines from 1 to 8,192, as well as the width of the zero pulse. The units are available in face mount flange, servo flange, blind or through hollow shaft with connector or cable outlet, TTL, or HTL interface configurations. Interchangeable collets are available for the hollow shaft configurations in diameters of six to 15 mm and 0.25, 0.375, and 0.50".

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Torque Motor

Animatics Corp. (Santa Clara, CA) released the SM2315DT as part of the OEM Series of SmartMotors. The unit features an 8-pole rotor design with a high copper filling factor, and delivers 112 oz-in of peak torque while maintaining 57 oz-in of continuous torque with a maximum speed capability of 4,700 rpm. A servomotor, amplifier, and motion controller are incorporated.

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Rotating Torque Sensor

The Model 01424 rotating torque sensor from Sensor Developments (Lake Orion, MI) uses a shaft-to-shaft configuration for in-line placement, and incorporates a digital non-contact wireless system that provides power to the rotating electronics mounted on the shaft, transmitting the signal back to the receiver in digital format. The torque signal is then represented as a calibrated, high level analog voltage.

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Incorporating Intelligent Energy Savings and Predictive Maintenance in a Soft Start

Electric motors consume approximately one quarter of the electricity in the U.S. and are the main motive force in our commercial buildings, industrial facilities, and appliances. Everyone knows reducing energy consumption has become a priority for the U.S. Many new methods of reducing electricity are being considered, including new electric motor efficiency technologies.

Posted in: Features, Articles

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Slide Guide Used in Fluorescence Microscope

In the USA and other developed countries, cancer is responsible for 25% of all deaths. In spite of the most recent advances in cancer research, by far the best curative treatment for the disease is early detection. Such technology revolves around quick identification of malignant cells, necessitating clean, crisp images for oncologists. The CellTracks Analyzer II by Immunicon (Huntington Valley, PA) is a semi-automated fluorescence microscope system used to count and characterize fluorescently labeled cells that are immuno-magnetically selected and aligned. The SEBS-B type miniature slide guide, from NB Corp. of America (Wood Dale, IL), is tapped as part of the microscope’s system of axes.

Posted in: Applications, Application Briefs

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