Page 172 - Master Catalog 2017, Inch

WIDIA Inserts • Machining Aluminum
™
Non-Ferrous Materials • Aluminum Alloys

„ Step 1 • Select the insert geometry

Positive Inserts
feed rate (mm/rev)

-AL1
depth of cut (in) depth of cut (mm)

-AL3

feed rate (in/rev)

„ Step 2 • Select the grade
Positive Insert Geometry
cutting condition -AL1 -AL3
heavily interrupted cut HCK10/HWK10 HCK10/HWK15

lightly interrupted cut HCK10/HWK10 HCK10/HWK15
varying depth of cut, HCK10/HWK10 HCK10/HWK15
casting, or forging skin
smooth cut, pre-turned surface HCK10/HWK10 HCK10/HWK15

„ Step 3 • Selecting the cutting speed

Low-Silicon Aluminum Alloys
(hypoeutectic <12.2% Si) and Magnesium Alloys speed — m/min (SFM) Starting Conditions
Material 250 500 750 1000 1250 1500 1750 2000 2250 2500
Group grade (800) (1600) (2400) (3200) (4000) (4800) (5600) (6400) (7200) (8000) m/min SFM
N2 HCK10 550 1800

High-Silicon Aluminum Alloys
(hypereutectic >12.2% Si) and Magnesium Alloys speed — m/min (SFM) Starting Conditions
Material 250 500 750 1000 1250 1500 1750 2000 2250 2500
Group grade (800) (1600) (2400) (3200) (4000) (4800) (5600) (6400) (7200) (8000) m/min SFM
N3 HCK10 550 1800

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