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MILLING
NPA 29/2018 INCH


HELITANG

Expansion of the HELITANG T490 Line


Highlights
ISCAR is expanding the variety of HELITANG T490 inserts, with new grades and geometries extending their application options.








5668170 T490 LNHT080404PNR-PLS IC830
A positive rake angle insert for soft and gummy materials.



3309431 T490 LNHT 1106PNTR IC810 -
General use insert in grade IC810 for cast iron and other short chipping materials.


3310528 T490 LNHT 1106PNTR-RD IC830
Insert for ramping down applications on tools larger than 1.250” diameter (see table page 5).


5669251 T490 LNMT 1106PNTR-CS IC830 -
Insert with chip splitting cutting edges, to be used in under 4xD tool overhang applications.



5667943 T490 LNMT 1106PNTR-FW IC830 -
Insert with chip splitting serrated and helical cutting edges, to be used in over 4xD tool overhang applications and on low power machines.



3321145 T490 LNHT 1306PN-R-PL IC882
Positive rake face insert in grade IC882 for stainless steel and high temperature alloys.


3336840 T490 LNAR 1306PNR- P-RD IC07 -
Positive rake face insert with a polished rake surface and ramping down capability for machining aluminum on tools larger than 1.250” diameter (see table page 6).


3304170 T490 LNMT 1306PNTL IC830 -
Left-hand as pressed insert used on left-hand cartridges or on special left-hand cutters.


3315955 T490 LNMT1306PNRRD-CS IC830
Pressed insert with chip splitter cutting edges for ramping down applications on tools larger than 1.250” diameter (see table below). To be used in under 4xD tool overhang applications.


3309428 T490 LNMT1306PNR-FW RDPCS840 -
Pressed insert with positive rake face and chip splitting cutting edges for machining stainless steel and hightemperature alloys including ramping down applications as well.







T490 LNMT/LNHT 0804
Tangentially Clamped Inserts with 4 Helical Cutting Edges
• LNMT-utility inserts. LNHT-precision inserts.
(1) Chip splitting cutting edge
(2) Used for ramping down applications on .625-.750" tools
(3) Positive rake angle for soft and gummy materials
(4) Radius obtained on workpiece



T490 LNHT 0804PNR-RD



T490 LNMT/LNHT 1106
Tangentially Clamped Inserts with 4 Helical Cutting Edges
(1) Mounting this insert increases tool diameter up to .008"
(2) Positive rake angle for soft and gummy materials, mounting this insert increases tool diameter up to .008"
(3) Positive rake angle for soft and gummy materials
(4) Chip splitting serrated cutting edges, to be used in over 4xD tool overhang applications and low power machines
(5) Used for ramping down applications with 1.25" and larger tools, see table below
(6) Chip splitting cutting edges, to be used in under 4xD tool overhang applications, may increase tool dia. up to .008"
(7) Radius obtained on workpiece



T490 LNHT 1106PNTR-RD



Special chamfer for ramping down applications


T490 LNMT/LNHT 1306
Tangentially Clamped Inserts with 4 Helical Cutting Edges
• LNMT-utility inserts, LNHT-precision inserts
(1) A wiper insert (.209" long), 2 cutting edges, for finishing only.
(2) Left-hand insert used on left-hand cartridges or on special left-hand cutters
(3) Chip splitting insert
(4) Positive rake face, for stainless steel and high temperature alloys.
(5) Positive rake angle for soft and gummy materials
(6) Used for ramping down applications with 1.25" and larger tools, see table below
(7) Used for ramping down and chip splitting applications with 1.25" and larger tools, see table below
(8) Positive rake face, for stainless steel and high temp. alloys; used for ramping down and chip splitting applications.
(9) With 2 cutting edges
(10) With 2 cutting edges • The corner of a tool body should be modified by chamfering to .08"x45°
(11) Radius obtained on workpiece



T490 LNHT 1306PNTR-RD

T490 LNMT1306PNR-RDPCS

T490 LNMT 1306PNR-RD-CS

T490 LNAR 1306PNR-P-RD



Special chamfer for
ramping down applications




The NPA29-2018's pdf file: View (PDF) or Download (ZIP)
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