The diameter of a thread milling cutter is smaller than the drilled hole, and the cutter turns in an elliptical orbit to reduce cutting torque when compared with machine tapping. One of the most ...

The various axes of the INDEX R200 are arranged to produce directional kinematics: the main spindle moves in Z, the sub-spindle in X and Z, milling spindle 1 (top) in X/Y/B, and milling spindle 2 ...