Каталог Iscar сверла со сменной режущей частью 2022 - страница 131

INDEXABLE DRILLS USER GUIDE DR-DH Deep Drills for Milling Centers and Lathe Machines DR-DH are drills for a drilling depth-to-diameter ISCAR offers two drill versions: ratio of 7xD and up, to be used on standard horizontal milling centers, turning, and multi-task Single Flute machines. Use of supplementary machine and DR-DH-31.65-0350NC-2FS setup can be avoided. These drills can be used • Very rigid tool with the existing adaptations, not requiring any • Designed for easy to cut materials such special coolant pressure or extra pump capacity. as cast iron and low alloyed steel DR-DH drills are available as semi-standard items • Patented chip gullet design in the diameter range of 25.4 to 69.5 mm. Features • High feed drilling: up to 0.35 mm/rev for high productivity • Excellent surface quality: Ra = 0.6 – 2.0 [µm] • Good hole cylindricity: 50-80 [µm] • Hole tolerance: IT10 • Large drilling depth: L=7xD and higher – up to 800 mm • Carries standard SOMX/SOMT indexable Double Flute inserts with 4 cutting edges DR-DH-31.65-0350NC-2FD • No dedicated machine or extra setup needed • Double chip gullet for improved chip flow • Standard coolant pressure as used in general drilling • Designed for drilling gummy materials such as • Standard indexable, double-ended guide pads non-alloyed steel and high temperature alloys • Used for steel (ISO P) and cast iron (ISO K) materials Designation Metric DR - DH - 31.65 - 0350 N C - 2 F D Family Drilling depth (mm) Shank dia. F=Cartridge R= No cartridge Dia. (mm) Shank Type No. of Pads D=Double flute S=Single flute Inch DR - DH - 1.500 - 12.00 N C - 2 F D 129