Chip breaking operation when an angled cutting tool mills the internal thread of a rotating workpiece. Beskrivning The process The workpiece is clamped in a rotating chuck which slowly rotates during machining time. An angled milling tool is positioned against the inner wall of the workpiece and moved axially along the surface which results in an internal thread being milled. Internal thread whirling Process films Advantages and disadvantages In comparison with alternative methods Accuracy of the profile, only one step required to produce internal threads Limited length of thread expensive tools
