What is a thread rolling machine?

A thread rolling machine is a machine tool used to create threads on a cylindrical workpiece by rolling them rather than cutting them.  Here's a breakdown of how it works:

Dies: Two matching dies with thread profiles are used to compress the material of the workpiece, permanently deforming it to create the thread pattern.

Workpiece:  This can be a rod, wire, or tube. Thread rolling machines can handle a wide range of diameters and thread types.

Machine operation: The machine forces the workpiece between the two dies,  squeezing the material to impress the thread profile.

Advantages of thread rolling:

Faster: Thread rolling is generally faster than cutting threads, especially for large volume production.

Stronger threads: The rolling process work hardens the material at the thread root, creating a stronger thread than cutting can produce.

Smoother finish: Thread rolling produces a smooth and consistent thread finish.

Less waste: Unlike cutting threads, no chips are produced during thread rolling.

Thread rolling machines come in various configurations and sizes,  ranging from small benchtop models to large industrial machines. The specific type of machine needed will depend on the size and type of workpiece, as well as the desired production volume.