ROUND TOOLS 18 / NORTON WINTER PRECISION TECHNOLOGY TOOL GRINDING CASE STUDY NORTON WINTER Q-FLUTE EVO AND Q-FLUTE PRIME ROUND TOOLS FLUTE GRINDING GRINDING WHEEL D54 Q-Flute EVO MACHINE Walter Helitronic Vision COOLANT Oil WORK PIECE TC end mill Ø 12 mm GRINDING PARAMETERS FEED RATE 160 mm/min DEPTH OF CUT 3 mm CUTTING SPEED 18 m/s MRR’ 8 mm³/mm ∙ s BENEFITS • Easy Set up • Also usage with low fee rates possible (Q‘w≈3) • Significant increase of productivity (Q‘w≥6) by improved workpiece quality CASE STUDY 1: GRINDING WHEEL D54 Q-Flute EVO MACHINE Walter Helitronic and Anca FX COOLANT Oil WORK PIECE TC end mill Ø 4…16 mm GRINDING PARAMETERS FEED RATE depending on depth of cut DEPTH OF CUT depending on work piece CUTTING SPEED 18 m/s MRR’ 16 mm³/mm ∙ s CASE STUDY 2: BENEFITS • Excellent self-sharpening thus no resharpening and less dressing • Highly flexible for a wide range of products • Replacing previously 4 different specifications GRINDING WHEEL D54 Q-Flute PRIME MACHINE Rollomatic Grindsmart 629XW COOLANT Oil WORK PIECE TC end mill Ø 10 mm GRINDING PARAMETERS FEED RATE 200 mm/min DEPTH OF CUT 3.5 mm CUTTING SPEED 18 m/s MRR’ 11.6 mm³/mm ∙ s PARAMETER FLUTE POLISHING FEED RATE vf = 180 mm/min INFEED ae = 0.05…0.1mm CUTTING SPEED vc = 20 m/s CASE STUDY 3 BENEFITS • 40 % reduced spindle load • 30 % lower cycle time • + 100 % life time • Polishing 3x faster • Perfect cutting edge and surface quality
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