Products

Motion Control System

The MDrive 14Plus Motion Control system from Intelligent Motion Systems (Marlborough, CT) combines the motor, driver, controller, and encoder in one system using a NEMA size 14 brushless 1.8° motor. It measures 1.9 × 1.4 × 2.0" and includes a programmable controller and programming instruction set. Communication is via RS-422/485 or optional CANopen.

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Motor Control Integrated Circuit

iC-Haus Corp. USA (Naperville, IL) introduces the iC-MH, a system-on-chip solution for magnetic sensor applications. The iC-MH’s 5 x 5 mm QFN28 package contains integrated Hall sensors with signal amplifier and gain control, two A/D converters for incremental and commutation signals, integrated RS-422 line drivers, and the serial BiSS/SSI-interface. It features angle resolution programmable to 4,096 steps per turn, and the output edge rate of 8 MHz can support motor speeds to 120 RPM. The commutation signals UVW are available to drive motors with two and four poles.

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Vibrating Micro Motors

SANYO DC Micro Motor Division, Bensenville, IL, has developed the BSY-3089 vibrating micro motor suitable for applications requiring a small footprint on surface-mount circuit boards. The motor measures 11 mm in length, with a 4.4-mm-wide body × 3.4 mm height off the mounting surface. Typical speed is 14,000 rpm with a counterweight of 1.7-mm radius and 2.8-mm length. Mechanical noise is 45 dB max. Electrical noise is controlled by a ring varistor. Standard operating voltage is 2.7 VDC. Load current is approximately 65 mA. Operating temperature range for the vibrating micro motor is -20°C to 70°C, while storage temperature range is -30°C to 85°C.

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Digital Signal Controllers

Microchip Technology, Chandler, AZ, has announced the dsPIC33FJ12MC family of motor control digital signal controllers. Hardware features include a motor control PWM with two independent clock sources for motor control algorithms — such as field-oriented control — and active power factor correction using a DSC and an analog-to-digital converter (ADC). The on-chip ADC and motor control PWM are also suitable for power conversion and LED lighting applications.

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Bearings

AST Bearings, Montville, NJ, offers a variety of bearings, bushings, spherical plain bearings, rod ends, linear bearing and slides, miniature and instrument bearings, and tapered roller bearings for rotary motion applications. The company also offers modified dimensional bearings in inch and metric sizes in materials such as chrome and stainless steel, plastics, ceramics, and anti-corrosive alloy composition. These products can be used in various aerospace applications, medical and dental equipment, power tools, X-Y plotters, motion control systems, and scientific miniature and micro-miniature instrumentation.

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Linear Slides

Fabco-Air (Gainesville, FL) has introduced block-style linear slides in 12-, 20-, and 32-mm bores with strokes from 1/2" to 10" and guide shafts from 3/8" to 3/4" diameters. An anodized aluminum body has a built-in repairable air cylinder and a combination of mounting holes to facilitate rigid mounting in tight spaces; counter-bored tapped-through holes on the bottom; and tapped holes on the rear and side with a slip-fit dowel hole and slot for alignment. The toolbar has counter-bored tapped-through holes on top, front, and bottom faces for tooling attachment. The front face has a slip-fit dowel hole and slot for repeatable tool alignment. Options include magnetic piston for position sensing, adjustable extend stroke, and a blank toolbar for custom hole pattern.

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Linear Positioning Stages

The SR linear positioning stages from H2W Technologies (Valencia, CA) are compact, lightweight, and have a small footprint. They offer speed of 6 m/sec, acceleration up to 12 g’s, zero cogging, high resolution to 0.1 μm, repeatability to ±1 μm, and load capacity to 25 Kg. The non-contact, three-phase brushless motors have continuous forces up to 733 N and peak forces up to 2444 N. They feature an ironless core winding, and the motor can be commutated either sinusoidally or trapezoidally.

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