Page 247 - Demo

245DEEP HOLE DRILLINGISCAR-GUNDRILLS Solid Carbide GundrillsThe ISCAR-GUNDRILLS line provides solutions for deep drilling by Gundrill method with solid carbide drills. The solid carbide Gundrills are designed for conventional machines, machining centers, and lathes. This style of Gundrill is available from 0.9 mm to 16 mm with maximum flute length of 300 mm and can be used on various types of materials. It provides superior rigidity and optimal coolant flow rates.STCGD-%u2026. Standard Solid Carbide DrillsSTCGD-%u2026 is a description of standard solid carbide gundrills belonging to the ISCAR-GUNDRILLS line. STCGD-%u2026 gundrills are capable of drilling holes of 0.9 mm to 16 mm in sequential steps of 0.1 mm. The sharpening of these gundrills depends on the diameter of the drill (table 6.11.1.1), and the profile is the same for all these gundrills (%u201cGeneral Sketch%u201d according to table 6.11.1.2). The driver type can be selected according to table 6.11.1.3.CGD-%u2026. Semi-StandardSolid Carbide DrillsCGD-%u2026 is a description of semi-standard solid carbide gundrills belonging to the ISCAR-GUNDRILLS line. CGD-%u2026 gundrills are capable of drilling holes of 0.9 mm to 16 mm in any sequential steps. Sharpening, profile, and driver type can be selected in any variant from standard tables respectively. There is an option for polishing and grade selection.SPCGD-%u2026. Special Solid Carbide DrillsSPCGD-%u2026 is a description of special solid carbide gundrills belonging to the ISCAR-GUNDRILLS line. SPCGD-%u2026 gundrills are capable of drilling holes of 0.9 mm to 16 mm in any sequential steps. Sharpening, profile, flute length and driver type can be selected in any variant. There is an option for polishing and grade selection.Table 6.11.1.1 %u2013 Standard SharpeningD0.25xD30%u02da15%u02da30%u02da30%u02da40%u02da 35%u02daStandard sharpening for 0.9 to 4 mm drill diametersD30%u02da12%u02da20%u02da20%u02da30%u02da25%u02da12%u02da 0.3-0.50.25xDStandard sharpening for 4 to 32 mm drill diameters