Motion Control

Thermoplastic Racks Open Up New Motion Control Applications

Rack and pinions are linear actuators that play a critical role in a wide range of linear motion control applications. While rack and pinions are commonly thought of as a timeless technology, several new developments have helped provide significant performance improvements in specific applications. One new approach, the Roller Pinion System, replaces the traditional rack and pinion with bearing-supported rollers, increasing positional accuracy, speed and durability.

Posted in: Application Briefs, Motion Control, Sensors and actuators

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Autonomous Robots Keep Warehouse Running Green

YLOG, a startup company in Austria, uses an intelligent and very environmentally friendly logistics system that is winning an increasing number of customers. The technology makes use of individual, freely moving Autonomous Intelligent Vehicles (AiVs) that detect each other, observe right-of-way rules, recognize one-way routes, and complete their tasks fully autonomously without intervention from or coordination by a central computer.

Posted in: Application Briefs, Articles, Green Design & Manufacturing, Motion Control, Motors & Drives, Automation, Robotics, Logistics, Robotics, Autonomous vehicles

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Energy Efficiency in Machine Tools

Discussions of the efficient use of energy have become more frequent in many sectors of industry. Machine tools comprise numerous motors and auxiliary components whose energy consumption can vary strongly during machining. The main spindle drive, for example, and the coolant system work near their rated power during roughing with a high stock removal rate, while the power consumption during finishing is significantly lower. There is a very close interdependence between the individual components and subassemblies of a machine tool and aspects of productivity and quality. From a detailed examination of manufacturing processes to the power consumption of individual components, potential for savings can be evaluated and measures can be defined for the efficient use of energy.

Posted in: Application Briefs, Articles, Energy, Energy Efficiency, Motion Control, Motors & Drives, Automation, Tools and equipment, Manufacturing equipment and machinery, Materials handling, Milling

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Naval Shipyard Automates Dry Dock Operation

Pearl Harbor Naval Station and Hickam Air Force Base have grown up together around the historic port known as Wai’Momi, adjacent to Honolulu. Pearl Harbor Naval Shipyard (PHNSY), located at Joint Base Pearl Harbor-Hickam, is a one-stop regional maintenance center for the Navy’s surface ships and submarines. It is the only intermediate maintenance facility for submarines in the Middle Pacific.

Posted in: Application Briefs, Motion Control, Maintenance, repair, and service operations, Automation, Marine vehicles and equipment

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Wing-Flapping Aircraft Hovers and Flies

Life-sized, hummingbird-like, unmanned surveillance aircraft weighs two-thirds of an ounce, including batteries and video camera. The Nano Hummingbird is a miniature aircraft developed under the Nano Air Vehicle (NAV) program funded through the Defense Advanced Research Projects Agency (DARPA). DARPA was established to prevent strategic surprise from negatively impacting U.S. national security, and to create strategic surprise for U.S. adversaries by maintaining the technological superiority of the U.S. military. The agency relies on diverse performers to apply multidisciplinary approaches to advance knowledge through basic research, and create innovative technologies that address current practical problems through applied research.

Posted in: Application Briefs, Motion Control, Product development, Military aircraft

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Motion Control System Gives Farmers a Hands-Free Approach in Vehicles

The important job of a farmer requires long hours of field work. The often monotonous tasks of driving agricultural vehicles to work long rows in the field — whether it be planting, maintenance, or harvesting — is undeniably arduous and fraught with potential for human error. With advances in the development of mechanical steering devices, farmers can now program steering patterns to allow their vehicles to operate hands-free and more accurately than ever before.

Posted in: Application Briefs, Motion Control, Steering systems, Human factors, Agricultural vehicles and equipment

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Submersible Pressure Transducer for Tank Fluid Level Monitoring

Monitoring the level of liquid can be accomplished through the use of a pressure transducer. The density of the liquid and its height create pressure on the diaphragm of the pressure transducer to generate an accurate and cost-effective level measurement. Generally, pressure transducers can be used for level measurement from 10 inches of water column up to 10,000 PSI (700 bar).

Posted in: Application Briefs, Motion Control, Sensors and actuators

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