CNC milling machine is a CNC machine tool with powerful processing functions. At present, the rapidly developing machining centers and flexible machining units are produced on the basis of CNC milling machines and CNC boring machines, both of which are inseparable from milling methods. Because the CNC milling technology is more complicated and there are many technical problems to be solved, people always focus on milling when they research and develop the software system and automatic programming language of the CNC system. So today we will give you a brief introduction to the classification of CNC milling machines, I hope it can be helpful to you.

Classification according to spindle position

1) CNC vertical milling machine

The number of vertical CNC milling machines has always occupied the majority of CNC milling machines, and the application range is also the widest. Judging from the number of coordinates controlled by machine tool CNC linkage, 3-axis CNC vertical milling still accounts for the majority; generally, 3-coordinate linkage machining can be performed, but some machine tools can only perform any two of the 3-coordinates (often called 2.5-coordinate machining) . In addition, there are four- and five-coordinate CNC vertical milling machines, in which the machine tool spindle can oscillate around one or both of the X, Y, and Z axes.

2) Horizontal CNC milling machine

Like a general horizontal milling machine, its spindle axis is parallel to the horizontal plane. In order to expand the processing range and functions, horizontal CNC milling machines usually add CNC turntables or high-precision CNC turntables to achieve 4-5 coordinate processing. In this way, it is not only possible to machine continuously rotating contours on the side of the workpiece, but also to achieve "four-sided machining" by means of a rotary table changer in one installation.

3) Vertical and horizontal CNC milling machines

At present, such CNC milling machines are rare. Because the spindle orientation of this type of milling machine can be changed, both vertical and horizontal machining can be performed on one machine. At the same time, it has the functions of the above two kinds of machine tools, and has a wider application range, more complete functions, and more room for selecting processing objects, which brings a lot of convenience to users. In particular, the production batch is small and there are many varieties.

CNC milling machines are classified by structure

1) Table lift CNC milling machine

This CNC milling machine adopts the way that the table moves, lifts, and the spindle does not move. Small CNC milling machines generally use this method.

2) Spindle head lift CNC milling machine

This kind of CNC milling machine adopts the longitudinal and lateral movement of the table, and the main shaft moves up and down along the vertical slide plate; the main shaft lifting CNC milling machine has many advantages in terms of precision maintenance, bearing weight, system structure, etc., and has become the mainstream of CNC milling machines.

3) Gantry CNC milling machine

The spindle of this CNC milling machine can move on the horizontal and vertical slides of the gantry, which moves longitudinally along the bed. Large-scale CNC milling machines often use the gantry mobile type due to technical problems such as expanding the stroke, reducing the floor space and rigidity.

Conclusion

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