Каталог Iscar сверла со сменной режущей частью 2022 - страница 131

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