You are here

Thread turning

Chip-breaking operation when the threads are created by turning the cut tool that corresponds the target thread.

Illustration of Thread turning

The process

The workpiece is usually a cylindrical rod mounted in a rotating chuck, the cutting tool is then moved axially along its surface to create the thread pattern. For deeper threads or difficult material the process is repeated several times before the thread is in its final shape.

Both internal and external threads can be created in this way if the tool can access the area to be threaded.

Spiral shaped outer or inner grooves are usually used for fitting
Read more
Advantages and disadvantages
In comparison with alternative methods
Suitable for external threads
Processing may cause stress concentration at tooth roots