WIDIA - soustružení | KL-TECH s.r.o. | www.klte.cz widia-soustruženi | Page 160

WIDIA ™ • Inserts for Machining Aluminium
Non-Ferrous Materials • Aluminium Alloys
„ 
Step 1 • Select the insert geometry
Positive Inserts
feed rate (mm/rev)
AL1
AL3
feed rate (in/rev)
„ 
Step 2 • Select the grade
Positive Insert Geometry
-AL1 -AL3
heavily interrupted cut HCK10/HWK10 HCK10/HWK15
lightly interrupted cut HCK10/HWK10 HCK10/HWK15
varying depth of cut,
casting, or forging skin HCK10/HWK10 HCK10/HWK15
smooth cut, pre-turned surface HCK10/HWK10 HCK10/HWK15
cutting condition
„ 
Step 3 • Selecting the cutting speed
Low-Silicon Aluminium Alloys
(hypoeutectic <12,2% Si) and Magnesium Alloys
grade
N2 HCK10
250
500
speed — m/min
750
1000
1250
1500
B152
grade
N3 HCK10
2000
2250
2500
m/min
550
High-Silicon Aluminium Alloys
(hypereutectic >12,2% Si) and Magnesium Alloys
Material
Group
1750
Starting Conditions
250
500
speed — m/min
750
1000
1250
1500
1750
2000
2250
Starting Conditions
25