Каталог Iscar вращающийся инструмент 2017 - страница 542

USER GUIDE DR-DH Deep Drills for Milling Centers and Lathe Machines Features DR-DH are drills for a drilling depth-to-diameter ratio of • High feed drilling: up to 0.35 mm/rev for 7XD and up, to be used on standard horizontal milling high productivity centers, turning, and multi-task machines. • Excellent surface quality: Ra = 0.6 – 2.0 [µm] Use of supplementary machine and setup can • Good hole cylindricity: 50-80 [µm] be avoided. These drills can be used with the • Hole tolerance: IT10 existing adaptations, not requiring any special • Large drilling depth: L=7xD and higher – up to 800 mm coolant pressure or extra pump capacity. • Carries standard SOMX/SOMT indexable inserts with 4 cutting edges DR-DH drills are available as semi-standard items • No dedicated machine or extra setup needed in the diameter range of 25.4 to 69.5 mm. INDEXABLE DRILLS • Standard coolant pressure as used in general drilling • Standard indexable, double-ended guide pads • Used for steel (ISO P) and cast iron (ISO K) materials ISCAR offers two drill versions: Single Flute DR-DH-31.65-0350NC-2FS • Very rigid tool • Designed for easily to cut materials such as cast iron and low alloyed steel • Patented chip gullet design Double Flute DR-DH-31.65-0350NC-2FD • Double chip gullet for improved chip flow • Designed for drilling gummy materials such as non-alloyed steel and high temperature alloys Designation Metric DR-DH-31.65-0350 NC- 2 F D Family Drilling depth (mm) Shank dia. F=Cartridge R= No cartridge Dia. (mm) Shank Type No. of Pads D=Double flute Inch S=Single flute DR-DH-1.500-12.00NC- 2 F D 538 538 ISCAR ISCAR