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May/June, 2012


Lloyd Instruments Launches Two High-Precision Testers


Largo, FL — Ametek Test & Cali - bration Instruments has introduced two additions to its Lloyd Instrument line of advanced materials testing systems: the Models LS5 and LS2.5. Both are single-column machines that incorporate the latest linear guide technology, pre-loaded ball screws and advanced software com- pensation systems, ensuring the highest level of precision displace- ment measurement. The LS5 is a 5kN/1124 lbf machine; the LS2.5 is a 2.5kN/562 lbf


device. Both models are available with an extensive range of grips, fix- tures, extensometers and software options; provide a large work area with 150mm throat depth for larger specimens; and offer a wide range of work tables for increased flexibility. The testing systems are well


suited for a wide range of materials testing applications in quality con- trol, academic, and R&D environ- ments. Applications for the LS5 are plastics, packaging, medical devices, automotive, electronics, textiles, rub-


ber and pharmaceuticals. The LS2.5 system is especially suited for plas- tic, rubber and other high-elongation materials due to its wide crosshead travel of up to 1400mm. Both can be used for tensile and compression testing, friction, tearing, peeling, insertion/extraction, creep/relaxation and many other measurements in manufacturing, product development and research. Each instrument offers a wide


speed range for high precision accu- racy and improved productivity. The


LS5 has a crosshead speed range of 0.01 to 1016 mm/min, while the LS2.5 has a crosshead speed range of 0.01 to 2032 mm/min. Both machines have exceptional load accuracy of ±0.5 down to 1 percent of load cell value, which provides high dynamic range and thereby reduces the num-


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High-precision materials tester. ber of load cells required to cover the


force range. Contact: Ametek Test &


Calibration Instruments, 8600


Somerset Drive, Largo, FL 33773 % 727-536-6000 fax: 727-539-6882 Web: www.lloyd-instruments.com


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Precision Software for Winder


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Technology from B&R


Roswell, GA — B&R has developed a high-precision, robust software library for controlling winder processes. It can handle open-loop tension control using a set torque value or closed-loop tension control with the aid of measurement value feedback or a dancer. According to the company, the


benefits include the ability to stabi- lize tension even in the acceleration and deceleration phases by automat- ically adjusting both the speed con- trol parameters of the drive and the feed-forward controls for speed and acceleration. A precise calculation of the


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winder diameter also contributes to robustness in the process. The new technology is an important advance for boosting the efficiency and effec- tiveness of machines used for high- quality printing on ultra-thin highly


elastic film. Contact: B&R Industrial


Automation Corp., 1250 Northmeadow Parkway, S-100, Roswell, GA 30076 % 770-772-0400 fax: 770-772-0243 E-mail: Yvonne.Eich@br-automation.com Web: www.br-automation.com


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