INSERTS NORTON WINTER PRECISION TECHNOLOGY TOOL GRINDING / 79 TOP AND BOTTOM GRINDING STANDARD DIMENSIONS FOR TOP AND BOTTOM GRINDING OF INSERTS WORKPIECE MATERIAL MACHINE CUP GRINDING WHEELS COOLANT SHAPE BOND Inserts Plane knives etc. Tungsten carbide Ceramic Diskus Viotto Wendt 6A2 Ø 300...500 W 40...190 X 3...8 Norton Winter LEVEL+ Oil Emulsion WORKPIECE Tungsten carbide insert GRINDING TOOL Level+ 219 GRINDING MACHINE Viotto COOLANT Emulsion GRINDING PARAMETERS FEED RATE vf = 25 mm/min SPEED (TOP) n = 900 min-1 SPEED (BOTTOM) n = 350 min-1 ALLOWANCE / SIDE ae = 0.15 mm DRESSING INTERVAL 15 inserts CYCLE TIME t = 88 s BENEFITS • 20 % higher feed rate • 25 % savings in grinding time • 33 % longer dressing interval • More constant grinding characteristics • Lower power consumptio OTHER DIMENSIONS ON REQUEST Performance [-] Time [s] RED = Competition BLUE = Level+ The illustration shows the time savings compared to the competition, based on two ground workpieces. DIAMOND GRINDING WHEELS FOR TOP AND BOTTOM GRINDING OF INSERTS With the Level+ series for the top and bottom grinding of inserts, Norton Winter is setting new standards with regard to evenness and precision. The Norton Winter Level+ products, grinding wheel systems that have been specially developed for this application, are characterised by very free-grinding behaviour. The grinding pressure can be significantly reduced and therefore long dressing intervals become possible. The unique grinding characteristics of this product family also permit substantially higher feed rates so that impressive increases in productivity can be achieved.
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