Products

Speed Regulator

The Super-K Model Kinecheck speed regulator from Deschner Corp. (Santa Ana, CA) provides a 4" or 6" stroke unit in a short overall length. The leakproof models can handle loads of up to 1,200 pounds. The unit features a hardened tool steel highpressure cylinder with an adjustable flow control passage. The mirror-finished cylinder is mated to an all-metal piston with no sliding seals, which makes the plunger rod move smoothly at a constant rate through the entire stroke.

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Tilt Sensor Switches

NKK Switches (Scottsdale, AZ) has introduced the DSB Series of mercury-free tilt sensor switches. The through-hole, PCB-mounted devices use a photo interrupter for sensitivity to very small angle changes. The switches contain two solid-state devices: an infrared light-emitting diode and a photo transmitter. A nickel-plated ball rests at the focus point when the switch is level. The internal ball movement allows 360° circumference rotation. The switch is triggered when tilted beyond ±30° from horizontal.

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DC Gearmotor

Midwest Motion Pro ducts (Watertown, MN) offers the Model MMP-TM55-36-28V GP52-195 DC gearmotor that accepts any 24- 28V DC source, including battery power. The motor measures 2.14" in diameter and has a keyed output shaft of 12-mm diameter by 25 mm long. Mounting is accomplished with four facemount M5 threaded holes, equally spaced on a 40-mm-diameter B.C. Output is rated for 196 lb/in continuous torque at 12 RPM, and 443 lb/in peak. The motor requires 2.1 amps at 28V DC to generate full-load torque. Motor windings for 12, 36, 48, 60, and 90V are available. The design is rated at IP54 for operation in harsh environments.

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Motor Drive Integrated Circuit

International Rectifier (El Segundo, CA) has released the AUIRS2301S 600V integrated circuit for automotive motor drives, micro-inverter drives, and three-phase inverter applications. The rugged, general-purpose driver IC features independent high- and low-side referenced output channels and a gate drive supply range from 5 to 20V. The output drivers feature a high-pulse current buffer stage for minimum driver cross-conduction. The floating channel can be used to drive N-channel power MOSFETs or IGBTs in the high-side configuration operating up to 600V.

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Reciprocating Linear Drive

The Amacoil-Uhing Kinemax reciprocating linear drive from Amacoil (Aston, PA) features pitch adjustment and automatic reversal without requiring clutches, cams, or gears. A ten-toone pitch adjustment range is possible by turning the dial on the front of the drive unit. The unit reverses direction automatically without reversing the drive motor. A mechanical reversal device changes drive nut travel direction with no interruptions in operation and without adjusting any controls.

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Linear Motor Stages

Dover, a Danaher Motion Co. (Salem, NH), has introduced the MMG Mini-Mag linear motor stages available in four models that deliver 25, 50, 100, and 150-mm travel. They provide uncompensated accuracy ranging from 2 um to 8 um, and resolution ranging from 1.0 um to 5 nm. Each model delivers repeatability to ±0.4 um and is rated for 8 kg load capacity. Features include an integral anti-creep linear guideway that eliminates the need for homing moves typically required to reset standard crossed roller bearing retainer cages.

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Linear Stepper Motors

Johnson Electric (Vandalia, OH) offers the Saia® UAL series of linear stepper motors that deliver constant positioning force up to 30N over the full travel distance of up to 15 mm, at speeds up to 4.16 mm/s at 200 Hz. They feature a removable bayonet-style flange for mounting, a flexible design that accommodates custom requirements, and a 20 × 30-mm footprint for space-restricted applications. The motors are available in unipolar or bipolar models for use in instrumentation, valve control, dispensing, metering pump, auger, and medical automation applications.

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