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T490 LNMT 08/13/16...-CS<br />
Tangentially Clamped Insert with 4 Chip Splitting Helical Cutting Edges<br />
ap<br />
l<br />
r<br />
W<br />
S<br />
Dimensions<br />
Tough Ö Hard<br />
Recommended<br />
Machining Data<br />
IC330<br />
IC830<br />
IC5400<br />
IC810<br />
IC808<br />
ap<br />
(mm)<br />
fz<br />
(mm/t)<br />
Designation W l ap r S<br />
T490 LNMT 0804PNR-CS 4.27 8.59 8.00 0.40 7.40 l l 1.50-5.00 0.10-0.15<br />
T490 LNMT 1306PNTR-CS 6.65 13.74 12.50 0.80 13.05 l l l l 4.00-12.00 0.10-0.20<br />
T490 LNMT 1607PN-R-CS 7.00 17.04 16.00 0.80 15.83 l 5.00-15.00 0.10-0.25<br />
Machining Examples<br />
Shoulder Milling<br />
Tool: T490 LNM D25-30-2-W25-08C<br />
Insert: T490 LNMT 0804PNR-CS IC830<br />
Workpiece: SAE 4340 (29 HRc)<br />
Vc = 130 m/min<br />
Fz= 0.12 mm/tooth<br />
ap= 25 mm<br />
ae= 8 mm<br />
Coolant: Air<br />
Metral removal rate: 80 cm 3 /min<br />
Tool: T490 FLN D050-04-22-16<br />
Insert: T490 LNMT 1607 PN-R-CS<br />
Workpiece: SAE 4340 (29 HRc)<br />
Vc = 150 m/min<br />
Fz= 0.15 mm/tooth<br />
Vf= 573 mm/min<br />
ap= 15 mm<br />
ae= 35 mm<br />
Coolant: Air<br />
Tool life= 60 min<br />
Metal removal rate= 300 cm 3 /min<br />
IC830<br />
Tool: T490 LNK D40-48-3-CF4-13<br />
Insert: T490 LNMT 1306PNTR-CS IC830<br />
Workpiece: TiAl6V4<br />
Vc = 45 m/min<br />
Fz= 0.14 mm/tooth<br />
Vf= 150 mm/min<br />
ap= 45 mm<br />
ae= 13 mm<br />
Coolant: Emulsion<br />
Tool life= 45 min<br />
Metal removal rate= 88 cm 3 /min<br />
-CS (Chip Splitting)<br />
Regular Edge<br />
159
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