Categories of Steel Sheet Cutting

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In terms of processing principles, the steel sheet cutting is mainly divided into two categories including hot work and cold work. Among these, hot work is the most widely used type in all mechanical and manufacturing industries due to its fast cutting speed and good cutting effect. Also, it is capable of cutting all kinds of complex shapes. All the operations like flame cutting, plasma cutting, laser beam cutting, abrasive cutting are part of hot work process. The other category is cold work. As its name indicates, cold work process refers to the cutting operation with less heat and minimum heat distortion such as waterjet cutting, line cutting, etc.

In terms of the working accuracy, the laser beam cutting of hot work features highest accuracy but low efficiency as well as high costs. Thus, it is specially designed for serveral large scale enterprises or those high precision cutting industries. Currently, the cutting techniques in the market are mainly CNC flame cutting and CNC plasma cutting.

The CNC flame cutting machine is designed for cutting 6- 300 mm thick carbon steel sheet. This high efficiency equipment is easy to use. Furthermore, its cutting gas is mainly oxygen and other gas such as propane, acetylene, coal gas, etc. So, it comes with low costs and is the most common method in all kinds of metal cutting process.

While CNC plasma cutting machine offers a high cutting speed, applicable for cutting stainless steel and less than 40mm thick metal sheet. It is specially designed for cutting non-ferrous metals, which is the major characteristics of this equipment.