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 special helical shaped cutting edge, useful for massive depths of cut and higher than common 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 ensure perfect contact of the insert with the tool holders. The upper rake face of the 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 establish positive radial rake angles and soft penetration into the metal being cut. The lessened forces and smaller loads assure better tool longevity, increased stability and the ability to use very tremendous depths of cut and larger feeds. The chipformer, manipulates and breaks the chip into rib type curved pieces which can effortlessly 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 doable with Heliturn.
When compared to CNMG/M 16... or WNMG/M 13... insert sizes with the identical corner radius, much greater tool life can be foreseeable when using the LNMX 1506..-HT insert. Iscar has recently included 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 blessings of the larger insert. This boosts the economical advantage in the medium machining application extent. When compared to CNMG/M 43. 12... or WNMG/M 43. 08... insert sizes with the same corner radius, a significantly better tool life can be foreseen. The inserts are accessible in .031, .047 and .063" tool nose radii. Heliturn inserts are offered in the most excellent 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 offered 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 thwarts corrosion. As a result of the positioning of this insert, machining next to the tailstock is probable.
The high positive rake angle of these tools allows 10-15% less power consumption/utilization/expenditure than standard tool holders at the same parameters.
By using Iscar's Heliturn tools, tremendous cost savings and profitability in lathe operations is guaranteed.
A Unique 80 Degree Rhombic Insert with high helical cutting edge for high metal removal rates Iscar is announcing the CNMX 1207..-HTW insert family. The unique insert has a very positive radial, helical cutting edge and a positive rake angle; a succession which largely 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 eliminate a finishing cut. The corner angle is 88 degrees which provides expanded strength. The CNMX inserts were built for heavy machining applications. Their specific design ensures dependable, fast metal removal when using 80 degree rhombic inserts. They can be mounted on any typical tool holder that carries conventional CNMG inserts, but the seat has to be replaced with a special seat: TCH 4. Iscar's R-clamp tool holders are highly favored for heavy machining applications.
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