10 FURTHER INFORMATION AT FURTHER INFORMATION AT INNOVATION RECIRCULATING BALL BUSHES In addition to ball guides, roll feeds and Million Guide units, FIBRO recirculating ball bushes are an excellent alternative for long paths with moderate loads. Recirculating ball bush (2061.69. .1) and recirculating ball bush with collar (2081.69. .1) are optimally matched to a large number of FIBRO guide pillars. They are suitable for many applications in machine and fixture construction, in automatic production machines, machine tools as well as in tool and mould construction, especially when very large paths (strokes) are present. INNOVATION STRIPPING UNITS POLY STRIP The POLY STRIP wiper units are mounted on the mounting plates for punches. The stripping force created via compression springs holds the sheet during the punching process and prevents it from being pulled up when the punch retracts. An external contour identical to that of the mounting plate allows the cutting elements to be arranged in the smallest possible space. In addition to typical use in tools, this compact design simplifies space-saving use on tool slides. The bronze wiper bush prevents damage and deformation to the sheet metal part, and undesirable silicone deposits on skin panels are also avoided. A long version of the wiper bush makes it possible to add a contour later.
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