There are many methods for machining threads, among which turning is a common method.
Regardless of the type of thread being turned, a strict kinematic relationship must be maintained between the lathe spindle and the cutting tool: for every revolution of the spindle (i.e., one revolution of the workpiece), the cutting tool should move uniformly a distance of one lead.
Both the rotation of the workpiece and the movement of the cutting tool are achieved through the drive of the spindle, thus ensuring the strict kinematic relationship between the workpiece and the cutting tool.





