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How igus Tests Continuous-Flex Cables
Customer-specific application testing using Firewire USB and Ethernet cameras to test cables.
East Providence, RI — Long life for moving parts is a fundamental requirement when integrating machinery. Yet many suppliers only speculate about the service life of their parts; they either don't carry out tests, or the tests they do perform aren't consistent with the mechanical requirements of the application. It's different at igus, a manufacturer of flexible cables for cable carrier systems, where the company considers it standard to validate the lifetime of each of its products during development and mass production.

The company has been testing its continuous-flex cables for more than 20 years in its 19,000-ft.2 fully equipped test laboratory. Endurance tests are supervised at over 50 different test stations and results are recorded by a dedicated laboratory team. Cables are subjected to different types of mechanical stresses and monitored electrically. Afterwards, test results are analyzed and used to improve products. The test lab conducts up to two billion test cycles per year.

Test setups include standard linear-axis tests involving various lengths of travel at different speeds. Tests can also be tailored specifically to individual customer applications. The company's test capabilities include linear travels up to 400 feet. Temperature profiles can be simulated in a 26 foot travel test chamber that ranges from -40 to +140°F (-40 to +65°C). A robotic flex testing cell also tests the maximum lifetime of the CFROBOT series torsion-resistant robot cables on five different test robots. In tests customized to an individual customer's requirements, the results are documented; but it's also possible to follow the test's progress in real-time webcam. This means that customers can access up-to-the-minute updates at any time.

Contact: igus® Inc., P.O. Box 14349, East Providence, RI 02914 800-521-2747 fax: 401-438-2200 E-mail: Web:

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