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Linear Position Sensors

Macro Sensors (Pennsauken, NJ) offers the CD 375 series of miniature LVDT linear position sensors that attach to a robotic arm to detect position change when an actuator moves the robotic arm, providing an analog voltage signal, proportional to the amount of motion, to a controller that makes appropriate adjustments based on programmable set points. With the data provided by the sensor, the controller can determine when the robotic arm should stop or slow down. The compact size makes the sensors suitable for providing displacement feedback in different robotic applications. Available in full-scale measurement ranges from ±0.025 to ±2.0", the AC-operated sensors offer a 0.012" core- to-bore radial clearance. Other features include operating temperature range from -65 to +220°F, stainless steel housings and epoxy encapsulation, and external sealing that meets IEC standard IP-61.

Posted in: Products, Positioning Equipment

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Shaft Locking Bushings

Zero-Max (Plymouth, MN) offers ETP Techno shaft locking bushings for bore sizes of 110, 120, and 130 mm. They are designed for locking components to large shafts with repeatable precision for applications requiring frequent mounting operations such as position gears, pulleys, sprockets, and other components in automated machinery. Handling torque ranges from 247,820 inch lbs. to 283,223 inch lbs., the bushings feature a radial screw design for mounting, repositioning, and phasing of components to the shafts. They can be readjusted hundreds of times without any axial movement of the bushing or component along the keyless shaft. An Allen wrench is required to mount and lock the bushings into place.

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Digital Servo Drive

The SXD 15 digital servo drive from Allied Motion (Amherst, NY) is a compact, modular unit that can drive a DC brush, DC brushless, or AC brushless motor requiring up to 1 kW of power. It can be either panel- or DIN-- rail mounted, and features standard ratings of 12 to 80 VDC bus, 15 A continuous, and 30 A peak current. Additional features include torque, velocity, and position control modes; four digital inputs, one digital output, all isolated, and two analog inputs plus one analog output; communication via RS232, RS485, or CAN; a Keep-Alive feature to enable maintaining logic power with the main power off; and protection against short circuits, voltage excursions, and temperature extremes.

Posted in: Products, Motors & Drives

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Torquer

Qosina (Edgewood, NY) offers the 97339 one-handed green torquer. Made of ABS, polypropylene, and stainless steel, the torquer fits guide wires 0.018 to 0.038". It is operable with one hand by squeezing (instead of turning) the top button to open the locking mechanism, and loading the guide wire. Molded ridges enhance grip, steering, and torque performance.

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Fasteners

Fixtureworks® (Fraser, MI) offers Imao® “One-Touch” pin-and-receptacle fasteners used to attach fixtures, plates, machine covers, and more, joining components with moderate clamping force. An alternative to nut-and-bolt assembly, the fasteners provide secure changeover and installation without the need for tools. The fasteners are available in quarter-turn, knob-locking, button-locking, ball-lock clamping, and magnet-lock clamping pin styles.

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Motor Drive Software

Teledyne LeCroy (Chestnut Ridge, NY) announced three-phase Motor Drive Power Analyzer software for its HDO8000 oscilloscopes for motor drive embedded control and power section debug. With the addition of three-phase power analyzer capability, and motor speed and torque integration, the drive system can be validated and debugged, and drive and motor power and efficiency measurements may be performed. The software is used by motor, motor drive, variable frequency drive, variable speed drive, industrial automation, and motion control equipment manufacturers. Design engineers that integrate motors into their designs also can utilize the software to validate proprietary controls and complete drive system designs.

Posted in: Products, Motors & Drives

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Motor Gate Drivers

Microchip Technology (Chandler, AZ) offers the MCP8025 and MCP8026 3-phase brushless DC (BLDC) motor gate drivers with integrated power module, LIN transceiver, and sleep mode. The devices can power the dsPIC® digital signal controllers (DSCs) and PIC® microcontrollers (MCUs), driving MOSFETs, sensing current, preventing short circuits, outputting zero crosses, controlling dead time and blanking time, and monitoring for fault conditions such as over/under-voltage, over-temperature, and other thermal warnings.

Posted in: Products, Motors & Drives

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