Heat-resistant cables are specifically designed for use in extreme temperatures, such as cold-resistant cables and heat-resistant cables.Temperature-resistant cables are preferred for applications that must continue to operate in very hot or very cold ambient temperatures. For example, low temperature cables are often used in refrigeration or in the offshore industry, while high temperature cables are commonly found in metallurgical, steel, and rolling mill applications or in cement, glass and ceramic processing. In both extreme temperautre conditions, the function and reliability of the cables must be guaranteed as it would in normal ambient temperatures. Depending on the application, seasonal variations in temperature also affect the outer jacket material of the cables used outdoors. In the case of permanently moving cables, the mechanical stress in addition to the adverse environmental influences affects the service life of the cables. igus® was the first to develop complete e-chain® systems consisting of chainflex® cables and energy chains from one source for adverse conditions in the high and low temperature ranges.
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In the igus® test laboratory, all chainflex® cables are subjected to a very complex series of tests. In addition to the 2,750 m² test laboratory, igus® has set up a specially designed large climate container in which cable tests are carried out in continuous motion at -40 degrees Celsius.
All cable manufacturers specify two temperature ranges in their catalogues in which their cables can be safely used: one for fixed installation and the other for moving applications. In fact, reference to a binding standard is intended to create comparability, but what is meant by the term "movement" in standard tests has little to do with the actual movement in an energy chain, particularly in terms of the respective fill weights.
In addition to the tests according to DIN specifications, at igus® we have retroactively qualified all the offered chainflex® jacket mateirals with a very wide range of cables. This is done through practical tests under real-world conditions in the igus® climatic containers. After testing for nearly 400 million strokes, we are able to designate ourselves as the only supplier of three defined categories: "fixed installation according to DIN", "moving application according to DIN" and "e-chain® according to igus® test series under real conditions". On the one hand, this information creates security for our customer and strengthens our guarantee. We are able to make guaranteed service life statements on the basis of these real-life test methods. The same principle also applies to the selection of the correct bend radius.
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