Page 134 - Master Catalog 2017, Inch

WIDIA VariTurn
™
™
Stainless Steel • Austenitic Stainless Steels

„ Step 1 • Select the insert geometry

Negative Inserts Positive Inserts
feed rate (mm/rev) feed rate (mm/rev)

2P 1P
Finishing Finishing
depth of cut (in) depth of cut (mm) depth of cut (in) depth of cut (mm)

4P
Medium

feed rate (in/rev) feed rate (in/rev)

6P
Roughing

„ Step 2 • Select the grade

Negative Insert Positive Insert
Geometry Geometry
cutting condition 2P 4P 6P 1P
heavily interrupted cut TN15M/TN10 TN30M TN30M TN30M/TN10

lightly interrupted cut TN15M/TN10 TN30M TN30M TN30M
varying depth of cut,
casting,or forging skin TN15M TN15M/TN30M TN15M/TN30M TN15M/TN30M
smooth cut, pre-turned surface TN15M TN15M TN15M TN15M

„ Step 3 • Selecting the cutting speed

Austenitic Stainless Steel speed — m/min (SFM) Starting Conditions
Material 90 135 180 225 270 315 360 405 450
Group grade (300) (450) (600) (800) (900) (1050) (1200) (1350) (1500) m/min SFM
TN15M 162 540
TN30M 135 450
M1
TN10U 194 630
TN15U 129 420
Austenitic Stainless Steel speed — m/min (SFM) Starting Conditions
Material 90 135 180 225 270 315 360 405 450
Group grade (300) (450) (600) (800) (900) (1050) (1200) (1350) (1500) m/min SFM
TN15M 149 495
TN30M 135 450
M2
TN10U 180 585
TN15U 120 390

Austenitic Stainless Steel: Duplex
(Ferritic and Austenitic Mixture) speed — m/min (SFM) Starting Conditions
Material 90 135 180 225 270 315 360 405 450
Group grade (300) (450) (600) (800) (900) (1050) (1200) (1350) (1500) m/min SFM
TN15M 135 450
TN30M 108 360
M3
TN10U 167 540
TN15U 111 360

B114 widia.com

V
L
B114 B115 Mi
I
i
WID M
i
16 T
WID_Master16_Turning_Inserts_B114_B115_Minch_REBRAND.indd 114 h REBRAND O b 14 2015 4 08 PM 10/30/15 1:49 PM