G3 FIBROFLEX® FORMING ELASTOMERS The occurrence of small batch lots in the press shop generally makes the more expensive dies of conventional design inadvisable – and it is in this sector in particular that FIBROFLEX® Forming elastomers can offer economical alternatives. The use of rubber-elastic materials, which has been practised for many years, offers new, interesting solutions for the design of forming and cutting tools, for bending over in a single operation, thanks to the constantly further developed elastomers. The advantages of FIBROFLEX® tipped tools for forming coated or surface-finished sheet metal are particularly worth mentioning. The quite outstanding elastic properties of FIBROFLEX® have made it an almost indispensable material in toolrooms everywhere and also in many sectors of general engineering. Its numerous successful uses comprise bumper stops, strippers, ejector- and forming pads, spring elements as well as noise suppression applications. The natural and synthetic rubber grades initially used only had a limited service life because they were adversely affected by the mechanical stresses in the forming tool and the external influences of lubricants. FIBROFLEX®, a polyurethane elastomer of very special properties, represents a synthetic material of significant advantages over all conventional rubber substances. It provides: ▬ extensive life span when used correctly ▬ highest resistance to rupturing ▬ inertness to all lubricants used in metal forming operations ▬ excellent elasticity ▬ good thermal resilience FIBROFLEX® forming materials are available in a constantly expanding range of round, rectangular, triangular or U-shaped profiles, with and without cavities, as well as sheets in numerous dimensions and in 3 different Shore A hardnesses, depending on their intended use. The "Application examples of forming operations" provide instructions for using alternative technology. Further detailed information on elastomer tooling can be found in our free publication "Elastomers in sheet metal forming and the toolroom", which we shall gladly mail to interested customers.
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