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The classification and characteristics of flame cutting machines Hand-held flame cutting is mainly divided into early manual cutting and semi-automatic cutting machines, profiling cutting machines and CNC cutting machines. With the progress of society and the development of science and technology, more and more advanced, cutting function is also more The more powerful it is.
The main types of machine structure are: manual; profile cutting machine, portable CNC cutting machine, cantilever type CNC cutting machine, gantry CNC cutting machine, desktop CNC cutting machine and CNC cutting machine for intersecting line cutting of steel pipe. The above structure can be cut using flame cutting.
In terms of the thickness of the metal material and the cutting metal, a carbon steel sheet of 5 mm or more in general is recommended to be cut with a flame because of the small thermal distortion generated by such a steel sheet. Stainless steel and non-ferrous metals cannot be cut by flame because the stainless steel produces a high-density oxide layer on the surface after heating, which prevents the heat from passing downwards, thereby affecting the cutting of CNC sheet metal flame cutting machine CNC flame cutting machine; cooling of copper and aluminum and other non-ferrous metals The ability is very strong, resulting in rapid loss of heat from the cutting surface and also affecting the melting of the sheet.
Compared with plasma cutting, the temperature during flame cutting is lower than that during plasma cutting, which directly leads to a lower cutting speed than plasma, and can not cut stainless steel and many non-ferrous metals. Its advantage lies in that it can cut large thickness plates (China has already mastered the flame cutting technology cutting 2000mm thickness), cutting equipment and cutting costs are relatively low, and pollution is smaller than plasma cutting machines.
Compared with laser cutting: The flame cutting machine is far inferior to the laser cutting machine in terms of cutting speed accuracy and cutting material types, but it is superior to the laser cutting machine in cutting thickness and cutting cost.
Compared with the high-pressure water jet cutting machine: The precision of the high-pressure water jet cutting machine and the type of cutting material are better than the flame cutting machine, but the flame cutting machine is larger than the water cutting machine in cutting speed and cutting thickness, and the equipment cost and cutting cost Relatively inexpensive.
Comprehensive conclusion: The flame cutting machine has a small production input, a large processing thickness, and is suitable for the rough machining industry with low precision requirements.
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