In the machining process, as the tool cuts off the unnecessary material from the workpiece, a cutting force will be generated on the workpiece. To resist the cutting force and allow the cutting process to be completed, the workpiece must be firmly clamped on the machine tool. The device that positions and clamps the workpiece is called a fixture. The device that holds and guides the cutting tool is called a jig.

A ball screw is a kind of transmission mechanical component in which a steel ball moves between screw and nut to convert the sliding contact of the traditional screw into rolling contact.

The discipline of tooling design is fundamental to manufacturing. The cost of manufacturing and of the end product depends heavily upon tool design.

Saw tool is a common hand tool, divided into hand saws and electric power saws, which facilitates our simple sawing needs. Among them, hand saws are divided into many different types, and suitable hand saw tools can be selected according to different needs.