New Product Announcement HOLE MAKING Expansion of the COMBICHAM Large Diameter Drills for the Wind Turbine Industry

New Product Announcement HOLE MAKING Highlights ISCAR is expanding the COMBICHAM drills family by adding 3 drill diameters: 33.2, 36.2, and 39.2 mm in drilling depths of 7 and 8 L/D ratio. The new drills provide an ultimate solution for drilling the most popular hole diameters in wind turbine parts such as blade bearings, tower flanges, yaw rings and planetary ring gears. Planetary Ring Gear Ring gears embrace the gearbox’s planetary gears, allowing them to transform low incoming speed to high outgoing speed. Blade Bearing Adjusts the angle of the blades by rotating a bearing at the root of each...

New Product Announcement HOLE MAKING The drills feature a pilot SUMOCHAM drilling head and standard SOGT square precision ground inserts with a wiper in various sizes, made from IC808 SUMO TEC PVD coated grade. This truly effective drill enables high feed drilling, providing high drilling rates, high accuracy and excellent surface finish. High Productivity COMBI DRILL for Windmills New COMBICHAM drilling line provides minimum cycle time and the most cost effective solution for this operation. Features • New Diameters: 33.2, 36.2, 39.2 mm • 2 effective cutting edges for high productivity • 2 guide...

HOLE MAKING JANUARY 2018 • METRIC 1-2018 COMBKVMM]MNC-7/8D Large Diameter indexable Drills for the Wind Turbine industry r~± D D2 i_J Designation • Hole tolerance: D+0.10/-0.05 in average conditions. However, it can be higher or lower according to machine and tooling conditions • intermediate sizes are available on request (1) Outer insert (2) Central insert

HOLE MAKING JANUARY 2018 • METRIC 1-2018 Feed vs. Drill Diameter F [mm/rev]