A Couple Of The Countless Improvements In Carbide Inserts Coming From Iscar Over The Years
Iscar is adding a new unique milling system that includes tangential, clamped, butterfly-shaped LNKX carbide inserts. The butterfly-shaped insert has notable advantages compared to the current flat, square shapes. The new geometry has more cutting edges, positive rake face, lowered cutting forces resulting in greater performance. The carbide inserts are screw-clamped on the boundary of numerous milling cutter types, providing prime conditions also for heavy-duty applications with exceptional surface quality, saving further finishing operations. Cutters are offered for 90 degree shoulder milling and for facing with 45 degree lead angles.
Each carbide insert has 8 cutting edges, 4 for right-hand and four for left-hand cutting, increasing the economy of use. The two, toward-center-slanted cutting edges provide on one side strong and exact clamping of insert in the tool body, and on the other side, the positive axial rake angle. The value of this positive axial rake design diminishes the cutting forces due to softer cut and easier penetration into the metal, as well as changing force direction which is needed for use on new machining centers with pallet systems less firm than on the traditional transfer lines.
In typical applications like in the automotive industry, the depth-of-cut is less than thirty thousandths of an inch enabling the use of all eight cutting edges of the Tangmill carbide inserts. Furthermore, in the automotive industry it is conventional to use a pair of cutters, one for right- and one for left-handed operations, which means that all 8 cutting edges of the Tangmill inserts can be employed.
New ISCAR UPGRADES for Fast Metal Removal
New developments coming from the headquarters of Iscar, delivering the new Upgrade movement, which guarantees that they are looking toward the future. The new Upgrade campaign, planned to be released at the end of year 2008, will offer revolutionary tools for milling, turning, hole making and multifunction operations, complementing the FMR (Fast Metal Removal) tool families with one aim in mind - to boost productivity on the shop floor and to increase profits.
Iscar's highlights for this year, with no doubt, are the new coatings, new substrate formations, new cutting edge geometries, new sizes, new tangential clamping mechanisms and new coolant nozzle qualities. Iscar's future trends incorporate new carbide insert grades for effective and cost-effective machining, more cutting edges to each insert and forward-looking tangential clamping apparatus which will significantly decrease the cutting pressure. The debut of the AL-TEC, PVD coating mainly for nodular cast iron, a-TECH, CVD coating essentially for grey cast iron and the DO-TECH, dual CVD PVD coating for enhanced strength will transform the way manufacturers machines cast iron. Moreover, Iscar producing mini inserts is a different progression within the Upgrade campaign, referring to minimizing the sizes of the Tangmill carbide inserts into Minitang, in order to aid fine pitch configuration which will expedite feed rates. In addition, the nominal size of the carbide inserts and their tangential arrangement in the pockets facilitate a much larger core diameter, in terms of tool design, when compared to normal radially oriented inserts.
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