для размещения заказа - zakaz@widiahanita.ru
WIDIA™ VariTurn™
Cast Iron • Grey and Ductile Irons
Step 1 • Select the insert geometry
Negative Inserts
feed rate (mm/rev)
2P
Finishing
Positive Inserts
1P
Finishing
feed rate (mm/rev)
..MA
Heavy Roughing
feed rate (in/rev)
7N
Heavy Roughing
Step 2 • Select the grade
feed rate (in/rev)
cutting condition
heavily interrupted cut
lightly interrupted cut
varying depth of cut,
casting, or forging skin
smooth cut, pre-turned surface
Step 3 • Selecting the cutting speed
Negative Insert Geometry
2P ..MA 7N
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
TN20K
Positive Insert Geometry
1P
TN20K
TN20K
TN20K
TN20K
Grey Cast Iron
Material
Group
K1
grade
TN20K
speed — m/min
Starting Conditions
60 150 240 330 420 510 600 690 780
m/min
270
Ductile, Compacted Graphite, and Malleable Cast Irons
(<80 KSI tensile strength)
speed — m/min
Starting Conditions
Material
Group
grade
60 150 240 330 420 510 600 690 780
m/min
K2 TN20K
216
Ductile, Compacted Graphite, and Malleable Cast Irons
(>80 KSI tensile strength)
speed — m/min
Starting Conditions
Material
Group
grade
60 150 240 330 420 510 600 690 780
m/min
K3 TN20K
189
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www.widiahanita.ru
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