Grinding and polishing tools - joke Technology GmbH - #51

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138 2 i Tel. +49 (0) 22 04 / 8 39-0 • Fax +49 (0) 22 04 / 8 39-61 • info@joke.de 2. Grinding and polishing tools // 2.3 Lapping tools Lapping and polishing rings, plastic and brass Design Dimensions mm Packing unit Order No. Price per pack Plastic Ø 8 10 pieces 0 570 045 Ø 12 20 pieces 0 570 055 Ø 20 10 pieces 0 570 075 Plastic collar ring Ø 12 5 pieces 0 570 063 Brass Ø 8 10 pieces 0 570 044 Ø 12 20 pieces 0 570 054 Ø 20 10 pieces 0 570 074 Brass collar ring Ø 12 5 pieces 0 570 062 Lapping and polishing rings for rotating processing When is a ring a lapping ring and when is it a polishing ring? Lapping medium carriers are dimensionally stable and therefore differ from polishing medium carriers, which always more or less take on the workpiece geometry. The carrier material therefore plays an important role for their definition: With metal tools, the process is referred to as lapping, if the tool is made from plastic, it is called polishing. However, the transition is not fixed. Diamond lapping and polishing rings Dimensions mm Grit size Order No. Price Ø 8 D 151 0 570 041 Ø 12 D 151 0 570 051 Ø 20 D 151 0 570 071 Diamond lapping and polishing rings with metalbound diamonds for lapping of copied, milled, turned and eroded surfaces with peak-to valley heights greater than 5 ìm. Ring and workpiece must be free of oil. Build-up edges must be removed with the ring on abrasive paper of grit size 80-120. suitable holders for lapping and polishing rings Shank dimensions mm Dimensions mm Order No. Price Ø 1.6 Ø 8 0 570 050 -16 Ø 3 Ø 8 0 570 050 Ø 12 0 570 060 Ø 20 0 570 080 Ø 6 Ø 20 0 570 081 These lapping and polishing rings are driven by the corresponding holder and an angle handpiece. Tip: The lapping and polishing rings Ø 12 mm can also be used for linear movement with a ball-ended rod, for example in hand-filing machines.