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Iscar Produces An Innovative Line Of High Functioning Carbide Grades For Heightened Productivity
A new family of Iscar turning inserts brings Sumo Tec performance and durability to CVD and DVD carbide grades. In like tests in a range of turning applications, the inserts outlasted their immediate competitors by 26 to 288 percent. The key to the longer life is the Sumo Tec special treatment, introduced in late '07 in a constricted range of milling inserts, that smooths the coated surface and reduces surface tension stresses in insert coatings. These cause cooler running, enhanced chipping resistance, decreased built up edge and truly longer edge life in all workpiece materials. During the alumina coating process, internal tension stresses occasionally cause cracks. The brand new Sumo Tec treatment induces compression stresses, which helps to seal these cracks. The 7 brand new Sumo Tec turning grades incorporate two for cast iron; three for steel and one for heat-resistant alloys & hardened steel. All the most predominant insert geometries are available from inventory, with new geometries being added routinely. Iscar also plans to add new grades likewise.
Here are the grades available:
FOR CAST IRON
IC5005, with a hard substrate, MTCVD TiCN and dense Al2O3 coating, is recommended mainly for nodular cast iron. It also handles other cast irons at medium to high cutting speeds at stable 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 favored for interrupted cuts and unstable turning conditions in other metals.
FOR STEEL
IC8150, consisting of a exceptionally hard substrate with a cobalt enriched outer layer, MTCVD TiCN and a thick alpha Al2O3 CVD coating. Promoting fantastic thermal stability and resistance to chipping, this grade is recommended 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 favored 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 remarkable shock resistance and great 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 enhancement in tool life was up to 150%.
Key Test Results
Prior to releasing the new SUMO TEC turning tool line, ISCAR tested all grades opposite their nearest competitors in a range of operations. Here are the key results for grades 5005 and 5010 in cast iron. The enhancement was 47% in SAE 1045 steel and 250% in 4140. In forging steel, the cutting edge Sumo Tec insert lasted twice as long.
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