Iscar's Heliturn system features a unique, double-sided insert with 4 cutting edges for Fast Metal Removal (FMR) turning. The cutting edge Heliturn is a tangentially clamped insert using a distinctive helical shaped cutting edge, useful for enormous depths of cut and higher than typical feed rate. The LNMX...-HT Heliturn insert is screw-clamped into the SLANR tool holder and braced 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 enable chips to flow across the insert, without being interfered by clamps or the tool holder body. The 4 curved helical cutting edges assure positive radial rake angles and soft penetration into the material being cut. The reduced forces and smaller loads establish better tool longevity, increased stability and the ability to use tremendously massive depths of cut and higher feeds. The chipformer, manipulates and breaks the chip into rib type curved pieces which can quickly be removed from the cutting area. This insert has a frontal clearance angle of 3.7 with a 6 side clearance angle to permit machining to a 90 shoulder. Depth of cut up to .315" and facing depths to .126" at up to .047" IPR are doable with Heliturn.
When compared to CNMG/M 16... or WNMG/M 13... insert sizes with the similar corner radius, much better tool life can be foreseeable when using the LNMX 1506..-HT insert. Iscar has recently added a smaller 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 completely new insert features all of the blessings of the larger insert. This boosts 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 much better tool life can be foreseen. The inserts are accessible in .031, .047 and .063" tool nose radii. Heliturn inserts are presented in the most exceptional carbide grades: IC9025, IC3028 , IC428, IC907, and IC908.
The external tool holders are obtainable in 1, 1.25 and 1.5" shank sizes. Boring bars are obtainable in 1, 1.25 1.5 and 2" bar sizes. Also presented are exchangeable heads. These tool holders have Iscar's unique Hard Touch coating, which extends holder life and hinders corrosion. As a result of the positioning of this insert, machining next to the tailstock is likely.
The high positive rake angle of these tools allows 10-15% less power usage than normal tool holders at the same parameters.
By using Iscar's Heliturn tools, enormous cost savings and profitability in lathe operations is guaranteed.
A Brand new 80 Degree Rhombic Insert with high helical cutting edge for high metal removal rates Iscar is introducing the CNMX 1207..-HTW insert family. The unique insert has a very positive radial, helical cutting edge and a positive rake angle; a incorporation which substantially decreases the cutting forces. The insert's corner has a wiper configuration which supplies high surface finish even at high feed conditions, which in many occasions can dismiss a finishing cut. The corner angle is 88 degrees which provides elevated strength. The CNMX inserts were designed for heavy machining applications. Their specific design ensures dependable, fast metal removal when using 80 degree rhombic inserts. They can be mounted on any standard 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 endorsed for heavy machining applications.
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