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Iscar's Heliturn platform features a unique, double-sided insert with 4 cutting edges for Fast Metal Removal (FMR) turning. The new Heliturn is a tangentially clamped insert utilizing a distinctive helical shaped cutting edge, useful for immense 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 facilitate chips to flow across the insert, without being disturbed by clamps or the tool holder body. The 4 curved helical cutting edges establish positive radial rake angles and soft penetration into the material being cut. The decreased forces and smaller loads ensure better tool lifespan, more stability and the ability to use tremendously large depths of cut and elevated feeds. The chipformer, deforms and breaks the chip into rib type curved sections which can conveniently be removed from the cutting area. The 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 opposed to CNMG/M 16... or WNMG/M 13... insert sizes with the same corner radius, much improved tool life can be expected when using the LNMX 1506..-HT insert. Iscar has recently included a smaller size to the Heliturn family - the LNMX 1104..R/L-HT insert and tool holder for the medium application range of up to .197" depth of cut. The new insert features all of the precedence of the larger insert. This magnifies the economical advantage in the medium machining application range. When compared to CNMG/M 43. 12... or WNMG/M 43. 08... insert sizes with the same corner radius, a substantially better tool life can be expected. The inserts are obtainable in .031, .047 and .063" tool nose radii. Heliturn inserts are presented in the most superior carbide grades: IC9025, IC3028 , IC428, IC907, and IC908.

The external tool holders are available 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 resists corrosion. As a result of the location of this insert, machining next to the tailstock is possible.

The high positive rake angle of these cutters allows 10-15% less power usage than traditional tool holders at the same parameters.

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

A New 80 Degree Rhombic Insert with high helical cutting edge for high metal removal rates Iscar is presenting the CNMX 1207..-HTW insert family. The new insert has a very positive radial, helical cutting edge and a positive rake angle; a succession which considerably reduces 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 increased strength. The CNMX inserts were produced for heavy machining applications. Their unique design ensures constant, fast metal removal when using 80 degree rhombic inserts. They can be mounted on any regular tool holder that carries regular 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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