Ручные и измерительные инструменты Hoffmann Group 2026 - страница 451

GBP 57 Form 7 Surface grinding wheels with 100 mm wheel thickness for cost-effective machining of large workpieces. Form 7 with recesses on both sides. Specification: SD33A46JJ8PVO3F 59 0692 D P Form F 7 T H G P F G Type A46 Shape mm mm mm Precision surface grinding wheel 400×100×127 59 0692 eShop 7 190 40 10 53Y D×T×H (mm) Working speed Feed Material vs = vc (m/s) Infeed Lateral pass rate vf recommended maximum ae (mm) Coarse grinding (roughing) 0.002 – 0.02 (cutting width in %) (mm/min) 59 high alloy steels, fine grinding (finishing) 0.001 – 0.002 20 –­ 25 35 30 – 40 % 10 000 – 20 000 hardened steels Spark erosion 1 – 3 passes (without infeed) stainless, Coarse grinding (roughing) 0.005 – 0.02 high chromium con- 25 –­ 30 35 fine grinding (finishing) 0.001 – 0.003 30 – 40 % 10 000 – 20 000 tent steels Spark erosion 1 – 3 passes Coarse grinding (roughing) 0.005 – 0.1 Aluminium, non-fer- fine grinding (finishing) 0.001 – 0.003 25 –­ 30 35 30 – 40 % 10 000 – 20 000 rous metals, castings Spark erosion 1 – 3 passes Depending on the Depending on the grinding process In relation to the grinding length and and type of machine wheel width overrun Surface grinding wheels for high alloy and hardened steels ​ A D Form T Special Aluminium Oxide for grinding high-alloy hardened steels, case-hardened and tool steels, Stellite and 1 H chilled cast iron. Especially for hard materials, because of better penetration into the material, the specification of 80 grit achieves optimum results. 59 1426/1666 – Form 7 with recesses on both sides. D P 59 1546/1646 – Form 5 with recess on one side. Form F Specification: SD78A80II8PVB3F 5 T H D P Form F 7 T H G P F G ​ ​ Shape mm mm mm 59 1106 200×20×51 eShop 1 – – – 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 53Y 59 1206 225×20×51 eShop 1 – – – 59 1256 225×25×51 eShop 1 – – – 59 1306 250×25×51 eShop 1 – – – 59 1356 250×25×76.2 eShop 1 – – – 59 1426 300×50×76.2 eShop 7 155 10 10 59 1446 Precision surface grinding wheel 300×50×127 eShop 1 – – – 59 1506 D×T×H (mm) 350×40×127 eShop 1 – – – 59 1526 350×50×127 eShop 1 – – – 59 1546 350×50×127 eShop 5 200 10 – 59 1606 400×40×127 eShop 1 – – – 59 1626 400×50×127 eShop 1 – – – 59 1646 400×50×127 eShop 5 200 10 – 59 1666 400×80×127 eShop 7 190 15 15 ​ 59 1106 451