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Atlas Updates Abrasion And Wear Instrument

Atlas UpdatesAbrasion And Wear InstrumentChicago-based Atlas Material Testing Technology LLC has updated its Universal Wear Tester (UWT) because its original mechanical design contributed to high levels of variation between laboratories. ASTM International organized a consortium of 17 companies and trade organizations that funded research to determine causes for the variability. Differences were seen in specimen positioning, non-uniform tensioning and alignment of the reciprocating table.Based on the research results, ASTM recommended Atlas replace the current cam system with grips and a pressure pin to improve tensioning, and add a centering mechanism for improved specimen alignment. Atlas went one step further and also added digital controls for accurate cycle counting and timing, an improved air-injection system for more uniform inflation of the diaphragm and a reciprocating table home position for repeatable test starts.The UWT performs a range of tests, including surface abrasion, frosting, edge wear, and flex and fold abrasion tests on woven, knitted, pile, nonwoven and coated fabrics. October 2002