According to processing methods or processing objects can be divided into lathes, drill presses, boring machines, grinding machines, gear processing machine tools, thread processing machine tools, spline processing machine tools, milling machines, planer, inserter, broaching, special processing machine tools, sawing machines and engraving machines. Each group is divided into several groups according to its structure or processing object, and each group is divided into several types.
According to the workpiece size and machine weight can be divided into instrument machine tools, small and medium-sized machine tools, large machine tools, heavy machine tools and super heavy machine tools.
According to the processing precision can be divided into ordinary precision machine tools, precision machine tools and high-precision machine tools.
According to the degree of automation can be divided into manual operation of machine tools, semi-automatic machine tools and automatic machine tools.
According to the automatic control method of the machine tool, it can be divided into profiling machine tool, program control machine tool, digital control machine tool, adaptive control machine tool, machining center and flexible manufacturing system.
According to the scope of application of the machine tool, it can be divided into general, specialized and special machine tools.
There is an automatic or semi-automatic machine tool consisting of a small number of special parts that are designed according to the specific shape of the workpiece or the machining process, based on standard general parts, and is called a combined machine tool.
For the processing of one or several kinds of parts, a series of machine tools are arranged in sequence according to the process and equipped with an automatic loading and unloading device and an automatic workpiece transfer device between the machine tool and the machine tool. Such a group of machine tools is called an automatic cutting production line.
The flexible manufacturing system is composed of a set of digital control machine tools and other automated process equipment. It is controlled by an electronic computer and can automatically process workpieces with different processes and can be adapted to multi-variety production.