Products

Planetary Gearhead

Portescap (West Chester, PA) has introduced the R08 planetary gearhead that delivers continuous torque of 0.05 Nm within an overall envelope of 8 mm. The standard gearbox is available from 4 to 256 ratios, which can be further extended to ratios of 4096. The gearhead can be coupled with brush DC, brushless, and stepper motors in their respective frame sizes. It can also be customized to meet specific customer requirements. Design improvements include a crimping process performed along with the press fit that increases strength and shock absorption capacity. A monobloc shaft reduces the total number of components. The gearheads are suited for use in medical applications, imaging (collimators, radiography), and security and access applications; and in instrumentation applications such as industrial robots.

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Magnetic Encoders

Baumer (Southington, CT) has introduced HDMag magnetic hollow-shaft encoders for direct mounting onto large-sized shafts up to 740 mm in diameter. Available in both absolute and incremental versions, the encoders provide 17-bit absolute single-turn resolution. Measuring 27 mm wide, the encoders are suited for limited-space applications. FPGA signal processing and integrated offset amplitude and phase control enable the encoders to generate maximum incremental square pulses of 524,288 periods per revolution, and a maximum sine/cosine interpolation of 32,768 periods per revolution.

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Load Cell Actuator

Myostat Motion Control (Newmarket, ON, Canada) has introduced an integrated load cell actuator for device manufacturing and quality testing. Available as a complete solution for touchscreen manufacturers, the actuator assembly comes with the load cell, mechanical actuator, and controller. It requires serial communication and 24V power. The actuator is suitable for quality testing, initialization, and calibration of touchscreens; light assembly to affix components while adhesives cure; and testing of mechanical or electronic conditions of buttons on touchscreen devices.

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Electric Actuators

Hayward Flow Control Systems (Clemmons, NC) offers EPM Series CE and CSA approved reversing, quarter-turn actuators. Available in both on/off and proportional control models, the actuators are designed for use with ball and butterfly valves up to 24" in size, and with torque outputs from 300 to 13,500 in. lbs. Features include a modular design and an epicyclical gear design that provides torque transmission in a compact package. Proportional control model features include thermal management that uses proprietary microprocessor-based algorithms to automatically control motor temperatures in real time with closed-loop feedback, and user-selectable data logging and diagnostics for control functions using a joystick/menu interface.

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Step-Down Regulator

Linear Technology (Milpitas, CA) offers the LTC3615 4-MHz synchronous buck regulator that incorporates a constant frequency, current-mode architecture. Low-resistance internal switches enable the device to deliver up to 3A of continuous output current from each channel. The regulator operates from an input voltage of 2.25V to 5.5V. Switching frequency is user-programmable from 400 kHz to 4 MHz. An adjustable Burst Mode clamp enables users to optimize light load efficiency. It can be configured to run in either pulse-skipping or forced continuous modes. Programmable switching slew rates reduce noise concerns. It offers inputs for tracking capability, as well as a DDR memory mode in which the device can source/sink ±1.5A. Additional features include optional active voltage positioning, a power-good voltage monitor, external synchronization capability, and thermal protection.

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Tilt Sensor

The Fredericks Co. (Huntingdon Valley, PA) has introduced the 0737-1203-99 electrolytic tilt sensor with thin-film technology that provides inclination measurement with arc second repeatability. The sensor offers an angle range of ±30 arc minutes , less than 0.05 arc second resolution, and less than 0.5 arc second repeat ability at null. The sensor features a hermetic seal design for applications such as aircraft avionics, machine tool leveling, and other position monitoring and measurement instrumentation requiring inclination measurement.

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Brushless Blowers

AMETEK Technical & Industrial Products (Kent, OH) offers the Nautilair® 8.0" variable speed pre-mix brushless blowers that deliver a measured air/fuel mixture to optimize combustion and reduce nitrous oxide and carbon monoxide emissions. The single-phase, standard-output blowers achieve a maximum sealed pressure capability up to 9" of H2O, and maximum open flows exceeding 100 CFM. They accept line voltage input of 120 VAC.

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