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The role of CNC cutting machine in industrial development is self-evident, but in practice, many small manufacturers are still avoiding the use of CNC cutting machines for cutting. The main concern is that ordinary employees cannot control the equipment. Therefore, we still need some expertise in the use of CNC cutting machines. 
As the name implies, it is the use of CNC cutting machine numerical control system according to the set cutting path of travel to complete the cutting operation. However, in practical applications, due to the influence of some external factors such as the shape of the steel plate, the size of the parts to be cut, and the thickness of the material, it is necessary to know in advance where the cutting torch is designed from the surface of the cutting surface and the cutting distance. With reasonable design, Shanxi Huaheng combines the experience of many end users to summarize the following two points:
 1, using reasonable cut from
The so-called cutting cut, a simple understanding is the torch and the cutting surface height. The cutting distance is mainly affected by factors such as cutting material, cutting thickness and cutting fuel. When adjusting the cutting distance, it can be visually controlled according to the requirements of the instruction manual. Of course, it is also possible to improve the configuration of the cutting machine from the hardware, such as adding an automatic adjusting device to achieve the effect of automatically adjusting the cutting distance.
 2 , starting point position design
In general, when using a CNC cutting machine, we recommend that the user design the cutting point position on the edge of the steel plate. Considering the preheating problem of flame cutting, the above description will mainly focus on plasma cutting, try not to use the " perforation - cut " method, the main reason is that the use of the edge as the starting point will prolong the life of the wearing parts. The correct way is to align the nozzle directly at the edge of the workpiece before starting the plasma arc. Of course, in order to improve the quality of the cut surface of the part, it is recommended to add an appropriate length of lead wire to improve the quality of the slit when edge cutting is adopted.
In general, when using plasma cutting perforations, as far as possible from the initial arc cut from a distance of 2 times the normal use of the plasma arc or the maximum height that can be transmitted.