Modular drill with low cutting force
Advanced ceramics specialist Kyocera has launched the Magic Drill DRA, a drill with an easily replaceable bit, which is said to achieve superb drilling accuracy at a low cutting force. Optimisation of the drill bit and chip flute, as well as a special coating, ensure high stability and long tool life.
The drill bit is said to be up to 20% larger than that of competitors, and its helix angle and flute design have been optimised — which helps prevent deflection. Drilling accuracy is achieved by reducing the cutting force by means of a special S-shaped chisel edge that minimises thrust and vibration.
Consistent chip removal is made possible due to an optimised chip section and support groove with a wider fillet (5D, 8D).
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