New Prolific Tool Holders From Iscar Head The Way In Machining Efficiency
Iscar's Heliturn model features a unique, double-sided insert with 4 cutting edges for Fast Metal Removal (FMR) turning. The completely new Heliturn is a tangentially clamped insert having a special helical shaped cutting edge, useful for considerable depths of cut and higher than typical feed rate. The LNMX...-HT Heliturn insert is screw-clamped into the SLANR tool holder and supported 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 permit chips to flow across the insert, without being complicated 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 lessened forces and smaller loads ensure better tool longevity, higher stability and the ability to use very enormous 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 achievable with Heliturn.
When compared to CNMG/M 16... or WNMG/M 13... insert sizes with the equivalent corner radius, much enhanced tool life can be foreseen 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 new insert features all of the blessings of the larger insert. This increases the economical advantage in the medium machining application compass. 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 offered in the most excellent 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 offered in 1, 1.25 1.5 and 2" bar sizes. Also available are exchangeable heads. These tool holders have Iscar's unique Hard Touch coating, which extends holder life and prevents corrosion. As a result of the placement of this insert, machining next to the tailstock is plausible.
The high positive rake angle of these cutters 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 Revolutionary 80 Degree Rhombic Insert with high helical cutting edge for high metal removal rates Iscar is unveiling the CNMX 1207..-HTW insert family. The completely new 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 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 heightened strength. The CNMX inserts were developed for heavy machining applications. Their unusual design ensures reputable, 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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