MILLING MARCH 2012 METRIC 2012 Page 1 / 3 Page 1/7 New Product Announcement T490 LNHT…-RD HELITANG T490 Inserts for Ramping Down Applications

MILLING Page 2 / 3 MARCH 2012 METRIC 2012 New Product Announcement Highlights ISCAR is introducing the T490 LNHT 0804PNR-RD and T490 LNHT 1306PNTR-RD inserts for ramping down applications. • • • • • • • • • • T490 LNHT 0804PNR-RD Designed for applications requiring ramping down Positive rake face 4 R.H. sharp ground cutting edges Suitable for general use Suitable only for 16 to 20 mm cutters (no need for modification of the cutters) For larger diameters, special inserts (with only 2 cutting edges) are available – on request T490 LNHT 1306PNTR-RD Designed for applications requiring ramping down...

MILLING MARCH 2012 Page 3 / 3 2012 METRIC New Product Announcement T490 LNHT-RD Tangentially Clamped Inserts with 4 Helical Cutting Edges Rd° l W r Dimensions Designation T490 LNHT 0804PNR-RD (1) T490 LNHT 1306PNTR-RD (2) l ap r(3) S 4.24 6.65 8.59 13.81 8.00 12.50 0.40 0.80 7.43 13.05 (1) Used for ramping-down applications on 16-20 mm tools. (2) Used for ramping down applications on tools larger than 32 mm. (3) Radius obtained on workpiece (4) Refer to tables below A special chamfer for ramping down applications T490 LNHT 0804PNR-RD Tool Diameter a - Rampdown 16 2° 18 1.85° 20 1.7° T490 LNHT...