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Drives

NORD Gear Corp. (Waunakee, WI) offers the SK 180E drives for applications that do not utilize the scope of functionality found in frequency inverters. The drives focus on the functionality necessary for pumps and conveyor technology. They offer a continuous range of performance and optional features for a variety of applications. The series includes three digital inputs, two digital outputs, two analog inputs, an integrated 24V power supply, input power range of 115V single phase to 480V threephase operation, 0.33 to 3.0 HP, AS interface onboard, and operating software for controlling, programming, and diagnosis. For Free Info Visit http://info.hotims.com/55594-306

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ZMDI Motor Control Technology – Control and Design for Automotive Exterior Mirror Systems

Demand is expanding for intelligent actuator/motor controllers in industrial, medical, and automotive applications. Often a small form factor and minimal external components are also required. In response, actuator/motor controller ICs with higher levels of built-in functionality, user-configurability, and integrated current and temperature sensing are needed. Many applications, for example automotive, also require safety and diagnostic features, minimized power consumption, and standard communication interfaces.

Posted in: On-Demand Webinars, Motors & Drives

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Choosing the Right Drive Technology

Coming up with the right drive technology for an application often depends on the options available. Here are five of the most common drive configurations being used today, along with their benefits and drawbacks. Although there are a number of variations of drive technologies for motion applications, there are a few that are used for the majority of systems being built today. These most common drives do take a bit of understanding before applying.

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Reasons for Turning to Slotless DC Motor Technology

When first introduced, brushless DC motors, despite their many advantages, were cast as a costly alternative to brush-commutated motors, and were typically only specified for low-power applications where long life was the primary desired requirement. Without the mechanical brush-commutator mechanism that would wear and eventually result in motor failure, brushless motors could be relied upon to deliver performance over time. As for other advantages, conventional wisdom held that brushless motors provide high speed and fast acceleration, generate less audible noise and electromagnetic interference, and require low maintenance. Brush-commutated motors, on the other hand, would afford smooth operation and greater economy.

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Motion Solutions for Electric Expansion Valves

Expansion valves are flow-restricting devices present in any refrigeration system. The valve needle remains open during steady state of operation. The size of the opening, or position of the needle, is related to the pressure and temperature of the evaporator. When set and controlled properly, an expansion valve will keep the evaporator active throughout its operation.

Posted in: Application Briefs

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Hamburg Airport Relies on Drive Technology to Keep Bags Moving

Hamburg Airport in Germany handles nine million pieces of baggage every year. For the baggage handling staff, the reliability of the conveyor system and the prevention of faults are the highest priorities. The breakdown of even a single component of the system would result in a backlog and unacceptable delays.

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Brushless Electric Motor

maxon precision motors (Fall River, MA) offers the EC-4pole 30 brushless DC motor that features two pole pairs, and provides a nominal torque of 106 mNm and an output of 150 W. It has a hermetically sealed rotor to withstand more than 1,000 autoclave cycles. The motor is equipped with the ironless maxon winding. The torque and current behave linearly and the drive can be overloaded. It is available with an optional Hall sensor, as well as a hollow shaft with a diameter of up to 4.1 millimeters. For Free Info Visit http://info.hotims.com/55593-300

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