A Few Of The Several Advancements In Carbide Inserts By Iscar

Iscar is starting a new unique milling system using tangential, clamped, butterfly-shaped LNKX carbide inserts. The butterfly-shaped insert has noteworthy advantages compared to the current flat, square shapes. The new design has more cutting edges, positive rake face, lowered cutting forces resulting in greater performance. The carbide inserts are screw-clamped on the outside of a variety of milling cutter types, providing optimum conditions also for heavy-duty applications with superior surface quality, saving further finishing operations. Cutters are available for 90 degree shoulder milling and for facing with 45 degree lead angles.

Each carbide insert includes eight cutting edges, 4 for right-hand and four for left-hand cutting, enhancing the economy of use. The two, toward-center-slanted cutting edges supply on one side strong and exact clamping of insert in the tool body, and on the other side, the positive axial rake angle. The use of this positive axial rake design decreases the cutting forces owed to softer cut and easier penetration into the metal, as well as changing force direction which is essential for use on modern machining centers with pallet systems less solid than on the traditional transfer lines.

In standard applications like in the automotive industry, the depth-of-cut is less than thirty thousandths of an inch providing the use of all eight cutting edges of the Tangmill carbide inserts. Furthermore, in the auto industry it is common to use a pair of cutters, one for right- and one for left-handed operations, which means that all eight cutting edges of the Tangmill inserts can be employed.

New ISCAR UPGRADES for Fast Metal Removal

Newly born developments coming from the headquarters of Iscar, delivering the new Upgrade campaign, which guarantees that they are looking to the future. The new Upgrade campaign, planned to be made public at the end of year 2008, will offer cutting edge tools for milling, turning, hole making and multifunction applications, complementing the FMR (Fast Metal Removal) tool families with one aim in mind - to increase 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 functionality. Iscar's future trends incorporate new carbide insert grades for effective and money-saving machining, more cutting edges to each insert and advanced tangential clamping mechanisms which can significantly diminish the cutting strain. The launching of the AL-TEC, PVD coating mainly for nodular cast iron, a-TECH, CVD coating mainly for grey cast iron and the DO-TECH, dual CVD PVD coating for enriched strength will transform the way manufacturers machines cast iron. In addition, Iscar manufacturing mini inserts is another progression within the Upgrade campaign, referring to reducing the sizes of the Tangmill carbide inserts into Minitang, in order to assist fine pitch configuration which will speed up feed rates. In addition, the nominal size of the carbide inserts and their tangential orientation in the pockets permit a much bigger core diameter, in terms of tool configuration, when compared to standard radially positioned inserts.

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