Iscar Releases An Cutting Edge Line Of High Functioning Carbide Grades For Increased Production

A new family of Iscar turning inserts brings Sumo Tec performance and strength to CVD and DVD carbide grades. In the same tests in a variety of turning applications, the inserts outlasted their immediate competitors by 26 to 288 percent. The key to the increased life is the Sumo Tec unique treatment, introduced in late 2007 in a constricted range of milling inserts, that smooths the coated surface and decreases surface tension stresses in insert coatings. These result cooler running, greater chipping resistance, decreased built up edge and truly longer edge life in all workpiece materials. During the alumina coating preparation, internal tension stresses occasionally cause cracks. The brand new Sumo Tec treatment induces compression stresses, which assists to seal these cracks. The seven brand new Sumo Tec turning grades contain two for cast iron; 3 for steel and 1 for heat-resistant alloys & hardened steel. All the most predominant insert geometries are obtainable from inventory, with new geometries being added frequently. Iscar also plans to add new grades as well.

Here are the grades available:

FOR CAST IRON
IC5005, with a hard substrate, MTCVD TiCN and dense Al2O3 coating, is advocated mainly for nodular cast iron. It also handles other cast irons at medium to high cutting speeds at stationary or slightly unstable conditions. This grade may be used in hard cast irons when especially high wear resistance is imperative.

IC5010, featuring a tough substrate, MTCVD TiCN and thick Al2O3 coating, targets grey cast iron. It is endorsed for interrupted cuts and unstable turning conditions in other materials.

FOR STEEL
IC8150, consisting of a incredibly hard substrate with a cobalt enriched outer layer, MTCVD TiCN and a thick alpha Al2O3 CVD coating. Promoting remarkable thermal stability and resistance to chipping, this grade is favored for high speed turning of steel subjugated to stable or slightly unstable conditions. It can also deal with stainless steel and interrupted cuts in nodular cast iron.

IC8250, a tough substrate with the same outer layers. It features amazing thermal stability and protection to plastic deformation and is recommended for general machining of alloyed and stainless steel in a extended range of conditions.

IC8350, featuring a very tough substrate under the same outer layers. It achieves superb shock opposition and excellent wear resistance on alloyed and stainless steel.

For Alloys, Stainless Steel and Hardened Steel
IC807, with a tough submicron substrate under a TiAlN PVD coating, is proper for turning heat resistant alloys, austenitic stainless steel and hard steel at low to medium cutting speeds. In a test against its nearest competitor on all three materials, the advancement in tool life was up to 150%.

Key Test Results
Prior to launching the new SUMO TEC turning tool line, ISCAR tested all grades opposite their nearest opponent in a mixture of operations. Here are the key results for grades 5005 and 5010 in cast iron. The advancement was 47% in SAE 1045 steel and 250% in 4140. In forging steel, the new Sumo Tec insert lasted twice as long.

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