Recommended cutting conditions Workpiece Chipbreaker AL Si ratio 12.5% or below AM Aluminum alloy AL Si ratio 12.5% or above AM Cutting speed Vc (m/min) 200 ~ 1,000 ~ 3,000 * 200 ~ 1,000 ~ 5,000 200 ~ 300 ~ 400 * 200 ~ 300 ~ 800 Cutting width ae (mm) Cutting diameter DC 0.5DC 0.5DC 0.5DC 0.5DC 0.5DC 0.5DC 0.5DC 0.5DC Cutting diameter/Feed ap = 0.5 mm (Reference value) Cutting dia.ø28 or less Cutting dia.ø32 or more 0.05 ~ 0.15 ~ 0.25 0.05 ~ 0.15 ~ 0.25 0.05 ~ 0.15 ~ 0.3 0.05 ~ 0.2 ~ 0.35 0.05 ~ 0.15 ~ 0.25 0.05 ~ 0.15 ~ 0.3 0.05 ~ 0.1 ~ 0.2 0.05 ~ 0.1 ~ 0.2 0.05 ~ 0.15 ~ 0.3 0.05 ~ 0.2 ~ 0.35 0.05 ~ 0.15 ~ 0.25 0.05 ~ 0.15 ~ 0.3 1. *Please note that the cutting speed is different between AL chipbreaker and AM chipbreaker. 2. Adjust the cutting speed and feed within the recommended machining range according to the actual cutting conditions. (machine rigidity, work rigidity, etc.) 3. Do not use it under conditions that exceed the recommended conditions. 4. When using at high speed rotation (10,000 min -1 or more), take effective safety measures by adjusting the balance of the combination of the tool body and arbor at the speed you are using, referring to the balance grade table below. 5. For high-speed machining, check the condition of the screws and replace them regularly. (When the cutting speed is 3,000 m/min, replace the screws when replacing inserts.) MEAS cutting performance ø50 (4 inserts) shouldering ae = 25 mm Workpiece: AlZnMgCu1.5 12 10 A L : Vc=1,500m/min A L : Vc=3,000m/min AM : Vc=3,000m/min 8 6 Spindle revolution (min -1 ) ~ 20,000 ~ 30,000 30,000 ~ ap (mm) 4 2 ISO Balance grade ISO 1940-1/8821 (JIS B0905) G16 G6.3 G2.5 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 fz (mm/t) • Reduce the feed rate when machining at high speed. Max. revolution for each cutting diameter Cutting diameter DC (mm) Cutter max. revolution n (min -1 ) 25 59,000 (Long shank : 49,000) 28 54,000 32 49,000 35 46,000 (Long shank : 39,000) 40 42,000 50 36,000 Maximum revolution without balance adjustment in combination with arbor Cutting diameter DC (mm) 25 Cutter max. revolution n (min -1 ) 12,500 28 11,500 32 9,600 35 8,800 40 7,700 50 6,300 Case study Industrial machine parts AlMg2.5 Vc = 1,500 m/min (n = 9,550 min -1 ) 1 1. ap x ae = 3 x 40 mm fz = 0.2 mm/t (Vf = 7,640 mm/min) 3 2. ap x ae = 8 x 5 mm fz = 0.2 mm/t (Vf = 7,640 mm/min) 3. ap x ae = 2 x ~ 50 mm fz = 0.15 mm/t (Vf = 5,730 mm/min) Wet MEAS050R-13-4T-M KCGT130504FR-AL PDL025 2 Cutting time MEAS ø50-4T 190 Sec 50 % Competitor C ø50-3T 430 Sec MEAS showed 50% faster cycle time or more compared to competitor C (User evaluation) 5
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