The EWS-Slot is driven by the tool tower of the machine tool, and the rotating motion is converted into the translation of the superimposed lifting function. So programming is relatively easy. The keyway broaching unit is positioned in the prepared hole so that the protruding tappet stops at the end of the Z axis. The depth of the groove passes

Over constant X feed floating between 0.04-0.08mm/ stroke.

The spindle speed is between 400rpm and 1000rpm. One turn equals one full stroke.

For example, a 6mm wide and 5mm deep keyway can be created in 7.5 seconds. (800rpm and 0.05mm stroke/RPM)