肯纳高效率的铸铁铣刀M750

　　肯纳金属介绍了一个新的密齿铣刀，它在铸铁的面铣加工中能提供极高的材料去除率。由于刀齿密度高，新铣刀比肯纳的其它铸铁铣削刀具提供更高的生产效率。例如，八英寸(200mm)的铣刀具有28个双面负型刀片，而刀片槽形是正前角的。新的M750六角刀片铣刀是生产线和高效率加工中心(例如采用CAT50或大尺寸HSK的主轴的机床)的理想刀具。该系列包括一种45°主(余)偏角的粗加工铣刀和三种60°主偏角(30°余偏角)的铣刀。
　　有一种60°主偏角的粗铣刀具和两种60°主偏角的半精铣/精铣刀具。其中一种60°主偏角的半精/精加工的铣刀被设计成可较少切削力的结构以适合微量切削和薄壁零件。肯纳铣削产品经理迪姆·马歇尔(Tim Marshall)说，“由于这种铣刀具有密齿、六角形的两面可用的刀片而具有12个实打实的切削刃，我们的这种铣刀极具竞争优势的，哪怕是其它有六个或八个切削刃的刀具。”
　　　　　　　　　　　　　　M750:Offer higher productivity
　　Kennametal has introduced a new high-insert-density cast and ductile iron face milling program capable of high metal removal rates. The new milling cutters offer higher productivity than any other Kennametal cast iron cutters because of their high insert density. The eight-inch cutter has, for example, 28 inserts, double negative geometry, and positive rake insert topography. The new M750 Hexacut milling program is ideal for transfer lines and high-performance machining centers, such as those with CAT50 taper and larger HSK spindles. The program includes a 45 degree lead angle roughing cutter and three 30 degree lead angle cutters.
　　There is a 30 degree lead angle roughing cutter and two 30 degree lead angle finishing and semifinishing cutters. One of the 30 degree lead angle finishing and semifinishing cutters is designed to provide reduced cutting pressure for lighter duty machines and thin wall parts. "All cutters in the new line offer lower tooling costs than competitive high-density cutters because our cutters use two-sided, hexagonal inserts with 12 true cutting edges, compared to only six or eight cutting edges for competition," said Tim Marshall, Milling Product Manager for Kennametal.

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