Iscar's Heliturn model features a unique, double-sided insert with 4 cutting edges for Fast Metal Removal (FMR) turning. The revolutionary Heliturn is a tangentially clamped insert having a exclusive helical shaped cutting edge, useful for tremendous depths of cut and higher than regular feed rate. The LNMX...-HT Heliturn insert is screw-clamped into the SLANR tool holder and fortified by the TLN ..-HT carbide seat. This seat has ground surfaces on the top and bottom, to assure perfect contact of the insert with the tool holders. The upper rake face of this insert is mounted level with the top of the tool holder to permit chips to flow across the insert, without being disrupted by clamps or the tool holder body. The 4 curved helical cutting edges provide positive radial rake angles and soft penetration into the metal being cut. The reduced forces and smaller loads assure better tool lifespan, better stability and the ability to use tremendously considerable depths of cut and greater feeds. The chipformer, distorts and breaks the chip into rib type curved fragments which can efficiently be removed from the cutting area. This insert has a frontal clearance angle of 3.7 with a 6 side clearance angle to allow machining to a 90 shoulder. Depth of cut up to .315" and facing depths to .126" at up to .047" IPR are obtainable with Heliturn.

When compared to CNMG/M 16... or WNMG/M 13... insert sizes with the alike corner radius, much enhanced tool life can be predictable when using the LNMX 1506..-HT insert. Iscar has recently released a lesser size to the Heliturn family - the LNMX 1104..R/L-HT insert and tool holder for the common application range of up to .197" depth of cut. The brand new insert features all of the precedence of the larger insert. This magnifies the economical advantage in the medium machining application area. When compared to CNMG/M 43. 12... or WNMG/M 43. 08... insert sizes with the same corner radius, a far better tool life can be predicted. The inserts are offered in .031, .047 and .063" tool nose radii. Heliturn inserts are obtainable in the most exceptional carbide grades: IC9025, IC3028 , IC428, IC907, and IC908.

The external tool holders are presented in 1, 1.25 and 1.5" shank sizes. Boring bars are attainable in 1, 1.25 1.5 and 2" bar sizes. Also attainable are exchangeable heads. These tool holders have Iscar's unique Hard Touch coating, which extends holder life and disrupts corrosion. As a result of the placement of this insert, machining next to the tailstock is conceivable.

The high positive rake angle of these cutters allows 10-15% less power consumption/utilization/expenditure than normal tool holders at the same parameters.

By using Iscar's Heliturn tools, large cost savings and profitability in lathe processes is guaranteed.

A Completely new 80 Degree Rhombic Insert with high helical cutting edge for high metal removal rates Iscar is unveiling the CNMX 1207..-HTW insert family. The revolutionary insert has a very positive radial, helical cutting edge and a positive rake angle; a blending which largely decreases the cutting forces. The insert's corner has a wiper configuration which generates high surface finish even at high feed conditions, which in several occasions can dismiss a finishing cut. The corner angle is 88 degrees which provides elevated strength. The CNMX inserts were created for heavy machining applications. Their special design ensures reputable, fast metal removal when using 80 degree rhombic inserts. They can be mounted on any typical tool holder that carries typical CNMG inserts, but the seat has to be replaced with a special seat: TCH 4. Iscar's R-clamp tool holders are highly suggested for heavy machining applications.

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