Motion Control

Six-Axis Robot

ABB Robotics (Auburn Hills, MI) has introduced the IRB 120T, a multipurpose 6-axis robot. It is suited for assembly and pick-andplace applications requiring reorientation of the product, commonly found in the food and beverage, consumer packaging, consumer electronics, electrical, and automotive industries. The robot features path repeatability of 0.01 mm, motion control and path accuracy, and weighs 25 kg (55 lbs). It has a standard payload of 3 kg (6.6 lbs), a vertical wrist payload of 4 kg (8.8 lbs), a reach of 580 mm, stroke of 411 mm, and the ability to reach 112 mm below its base.

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Servo Drive

The Gold Drum HV 100/800 from Elmo Motion Control (Nashua, NH) is a compact servo drive that delivers up to 100 A and operates up to 800 VDC. The 60-KW, high-performance, wide-bandwidth servo drive is EtherCAT and CANOpen compliant. Set-up and tuning are performed using Elmo Application Studio (EAS) software tools with a Windows-based application that enables users to configure the drive for their motor. Features include “direct to mains” operation from rectified 480VAC, networking by EtherCAT or CANOpen, support of feedback in any configuration, and wide bandwidth in current, velocity, and position operating modes.

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High-Accuracy Closed Loop Force Feedback

Benefits of serial servo digital presses for force gauge specifications. Hand-driven press assemblies, which require a specific amount of force applied for a given amount of time, present challenges when attempting to accurately measure or replicate results in production or quality control processes. In contrast, servo-driven digital presses are able to provide accurate, consistent, and repeatable results while outputting trackable data. By controlling position and current, the servo-driven digital press allows for stable, accurate, and repeatable control.

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Motor Control IC

Melexis (Nashua, NH) has announced the MLX81205/ 07/10/15 family of integrated circuits (ICs) for sensor-less and sensor-based BLDC motor control for automotive applications. The ICs combine a voltage regulator, LIN-Transceiver, MCU, EEPROM, Flash, RAM, Power FET Pre-Driver, and several dedicated circuit blocks. Each circuit is available in different memory configurations and in different package options. The ICs are 45V load-dump-protected and are single-dieper- package solutions (System-On-Chip).

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Stepping Motor

Sanyo Denki America (Torrance, CA) offers the F2 two-phase bipolar stepping motor with a frame of 0.55" and holding torque at 0.92 oz-in minimum. It features a step angle of 1.8 degree/ step, and rated current of 0.3A/phase. Single- and double-shaft models are available. Applications include electric grippers, electric cylinders, robots, and other space-limited uses.

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Motion Control Systems

Aspen Motion Technologies, a Division of Pentair (Radford, VA), offers motion control solutions. Capabilities range from 0.5" in diameter to 36" in diameter for permanent magnet brushless synchronous motors/generators, with the associated drive electronics, from a few Watts to 25 kilowatts, often with a DSP/ARM core and data interface such as analog, CAN OPEN, Zigbee, RS485, I2C, or other industrial communication interfaces. Systems include precision servomotors with feedback devices, brakes, gearboxes, and integrated intelligent controllers. Other products include forward curve/backward curve/centrifugal blowers, high-efficiency systems (motors and generators), high-performance magnetic couplings, compact liquid pumps, direct drive solutions with integrated drives, and complete OEM products per customer specifications.

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Flow-Regulating Valve

The Lee Company (Westbrook, CT) offers the High Pressure 500 Flosert miniature flow-regulating valve that is pressure-compensated to provide a constant flow over a range of pressure differentials. The valve is suited for high-pressure hydraulic applications with system pressures up to 5000 psi. Available in forward and reverse regulated flow configurations, the valve is constructed entirely of stainless steel. Regulated flow rates are available from 1.5 to 5.0 GPM.

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