Motion Control

Vibration Isolation Workstation

The Vision IsoStation vibration isolation workstation from Newport Corp. (Irvine, CA) provides scientific- grade optical breadboard platforms in sizes from 24 × 24" to 36 × 72". The breadboards feature steel, triple-core-interface honeycomb construction that minimizes static deflection and increases point-loading capability. The platform interface acts as a docking surface, an accessory mount, and a restraint to keep the breadboard on top of the workstation frame. The interface also features float-height indications and frame bubble levels. Integrated leveling feet and casters are standard.

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Brushless DC Motors

Dunkermotor (Elgin, IL) offers iBLDC™ brushless DC motors with integral four-quadrant speed controls in a 45-mm frame size. The motors feature digital control and power electronics, and operate with a 12V or 24V power source at a nominal speed of 3000 rpm. Motor target speed can be set using an analog ±10VDC input signal. The drive has a total of four digital inputs: two for selecting the four operating conditions, and two for selecting the fixed motor speed.

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Position Sensor

The iC-LO from iC-Haus GmbH (Bodenheim, Germany) is a triangulation position sensor designed as a system-on-chip for the assembly of diffuse reflective photoelectric sensors with switching outputs. Integrated functions include the photodiodes, LED driver, microcontroller interface, signal conditioning circuitry, and signal filter unit. The optical array is divided into one near diode, 127 middle diodes, and one far diode. Two AC amplifiers are integrated together with the optical array to enable high interference and ambient light suppression, and a dynamic range of up to 100 dB. Using a filter glass, an ambient light suppression of up to 100 kLux can be obtained.

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Diaphragm Pump

The 1410 Series DC miniature diaphragm pump from Thomas Division (Sheboygan, WI) measures 3.3 × 1.2 × 2.1" and is designed so that a full range of motor options, and several design configurations, can be used, depending on the life requirements and specifications of the application. Designed for applications requiring high performance in a compact package, the 1410 Series features a low sound level, is lightweight (0.4 lbs/180g), and is EMC suppressionqualified to EN55011-B on some designs. Maximum flow is 4.3 lpm, with a maximum pressure of 27.5 psig/1.9 bar, and a maximum vacuum of 22.0 in.Hg.

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Slotless Motor

Koford Engineering LLC (Winchester, OH) has introduced a short-length 28 mm (1.102") diameter slotless 2-pole motor with an axial length of 23.9 mm (.941"). The motor is designed for applications with limited available axial length, and features winding from 4,428 rpm up to 14,952 rpm. Custom winds to meet special applications are also available. An ambient temperature range from -73 to 100 ºC and a maximum internal temperature of 150 ºC allow a wide range of applications such as blowers, pumps, beam choppers, and scanners. The slotless design offers no cog, resulting in smooth rotation. Matching sensorless drives are also available.

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Digital Accelerometers

API Technologies Corp. (Orlando, FL), has announced a high-g digital accelerometer from its Sensors line of inertial measurement products. Measuring up to 500 g, this accelerometer is used for shock detection. Available in ±500 g and ±250 g versions, the unit comes in single-axis, dual-axis, and triaxial models. The accelerometers are user-configurable and contain the accelerometer(s), temperature sensor, signal processor, three analog outputs, and an RS-485 interface that connects directly to the user’s PC. The accelerometers come fully calibrated with calibration data stored inside the sensor. Ruggedized construction makes them suitable for harsh environments. Additional features include linearity over a wide temperature range, power and connector kits for set-up, and data analysis tools.

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Gearbox

Ondrives.US Corp. (Freeport, NY) has announced a right-angle NEMA gearbox designed to IP65 specifications for use in washdown applications in filling, capping, packaging, and similar machinery. Rated backlash is 30 arc-minutes, with options for 4 or 8 arc-minutes. The NEMA 34 flanged gearbox has 440C stainless steel bearings with seals and Nitrile o-rings shaft seals on both input and output. All fasteners are stainless steel. Hard anodized aluminum or 316 stainless housings are available. Customizing for other than NEMA motors or for specific applications is available.

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