Каталог Iscar вращающийся инструмент 2017 - страница 494

USER GUIDE Drilling Heads Ground gash • SUMOCHAM features four different standard drill head geometries, designed for optimal performance and high reliability when used on various materials. • ICP for use on carbon and alloy steel (ISO P). The drill head has a honed cutting edge. • ICK for use on cast iron (ISO K). The drill head is produced with a ground chamfer and a honed cutting edge. • ICM for use on stainless and high temperature INDEXABLE DRILLS alloys (ISO M). The drill head features a T-land on the cutting edge. Ground flute • The ICP, ICK and ICM drilling heads are available in 0.1 mm drilling diameter increments. The drill head has ground flutes for smooth, uninterrupted chip flow and a ground gash for improved penetration. To prevent the insert from being pulled out during the drilling process, there is an axial stopper in the pocket. It is effective even after the clamping force has been lost (which may happen when the drill’s pocket wears out). General Recommendations • SUMOCHAM drills can be used in any type of adaptation. However, concentric adaptation such as spring collets and hydraulic chucks are advantageous for better runout. When machining high temperature alloys or applying very high machining loads, it is advisable to use strong gripping adapters such as endmill holders, power or hydraulic chucks. • Dry drilling should not be performed under any circumstances. • Semi-synthetic or emulsion lubricants are recommended in order to extend tool life. • It is essential to use internal coolant in all SUMOCHAM applications. In the event of low coolant pressure or when used in a stationary application, adding an external coolant can improve tool life. • When only external coolant can be applied, it is recommended to drill into maximum depth of 2xD hole depth to diameter ratio. • When using M.Q.L. coolant, there is no need for special accessories. For smooth M.Q.L. coolant flow there is a spherical cavity on the rear side of the drill shank. • There is a special plug with an internal thread for a coolant Shank Diameter Plug Internal Thread connection used on stationary machines that can be 12 DL-12 G 1/16 pressed into the cavity on the back end of the drill. 16 DL-16 G 1/16 20 DL-20 G 1/8 25 DL-25 G 1/8 32 DL-32 G 1/8 490 490 ISCAR ISCAR