What are the reasons for the overload of the CNC cutting machine? It is important to control its warm-up time

With the continuous development of the current society, the machinery industry is no longer limited to a single labor force, and a large number of machinery and equipment are put into use. Compared with labor, the arrival of mechanization has greatly saved labor, material resources and time, and at the same time produced more labor. However, it also has some relative disadvantages, such as overload. What we know today is a CNC flame cutting machine.

The advent of the CNC flame cutting machine not only greatly improves the utilization rate of the plate, reduces the waste, but also greatly improves the product quality and production capacity. It can cut various parts and has strong versatility. This is completely beyond the capabilities of human resources.

The quality of cutting structural parts directly affects the quality of welding parts and the overall performance of mechanical products. However, some operations in use often cause the problem of overloading of the CNC cutting machine. What is the specific problem?

1. The cutting thickness is not reasonable. Basically, the cutting thickness is greater than the allowable range of power and cutting nozzles. When we buy CNC plasma cutting, the initial manufacturer of CNC cutting will choose the appropriate plasma power supply according to the processing conditions of the enterprise to reduce the types that can be shortened. For companies that purchase the fund, the cutting effect can also meet the requirements or reduce the effect. However, many companies will exceed the promised amount when using wrong operations and reducing the thickness of the data, resulting in damage to the plasma power supply of the cutting nozzle and electrode sheet. Generally speaking, the normal perforation thickness is half of the normal slice thickness.

2. The application of the cutting nozzle is not standard. Many people use large currents to increase the opening speed and power supply speed, thereby overloading the electrode cutting nozzle and damaging the nozzle. Generally, the set value should be 90% of the working current nozzle. When we use the CNC cutting machine, we need to follow the instructions and be careful not to over damage.

People who use CNC flame cutting machines know the importance of preheating in flame cutting. The preheat setting of the CNC flame cutting machine is a means to adjust the temperature of the flame body.

Preheating time of CNC cutting machine

In actual work, the preheating time of CNC flame cutting machine should be considered according to the cutting thickness, but the higher the flame temperature, the better the cutting effect ?

The oxygen 1 gas cutting process of the CNC flame cutting machine is to inject pure oxygen (at least 99.5%), and the heated flame is heated from the start of work to the ignition temperature to start the process.

Combustion begins by transporting oxygen for cutting. As the heat increases, the combustion in adjacent workpieces continues to proceed rapidly. By cutting off the energy emitted by the burning molten oxygen, the moving torch cuts off these segments and blows them away. Truncation: When, the following conditions need to be met

1. In order to remove the generated metal oxide, the melting point of the oxide needs to be lower than the melting point of the material.

2. The ignition temperature of the material should be lower than the melting temperature.

3. Continue to maintain the ignition temperature of the cutting point. The heat loss is compensated by the heating flame. Non-alloy steel with a carbon content of less than 0.3% and low-alloy steel with a carbon sugar content of more than 0.4% can be cut after preheating. As the proportion of metal elements increases, the cutting process becomes more and more difficult. Therefore, without special precautions, chrome steel, nickel or metallic silicon, cast steel and other materials are not suitable for oxygen cutting. These materials require different processing methods for thermal cutting. What I said today about the control of the CNC cutting machine and its related overload reasons and warm-up time hopes to be helpful to you.

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