What should I do if there is a quality problem in metal laser cutting machine cutting?

If you have quality problems in the process of using the metal laser cutting machine, you must find out what is wrong, and find out the specific reasons before taking measures to solve the problem. So what are the problems that may occur during the operation of the metal laser cutting machine? You can take a look at the following analysis:

In the process of using metal laser cutting machines in general enterprises, there are many reasons for the cutting section defects caused by gas cutting. On the one hand, equipment operators need to judge based on actual phenomena. On the other hand, they also need to be provided by the metal laser cutting machine manufacturer. More comprehensive equipment usage information. With the widespread popularity of flame cutting equipment in recent years and the turnover of enterprise technical personnel, this problem has become more prominent. This article is edited and organized by the after-sales department, mainly to summarize and explain the performance and processing methods of the metal laser cutting machine's cross-sectional defects.

In the process of gas cutting flame cutting processing of sheet metal, various quality defects may appear on the cut section and upper and lower surfaces. Here we take metal laser cutting machine processing as an example to describe the phenomenon similar to the quality defects of plate cutting. Summarize and analyze the causes of some defects:

1. A drop-shaped molten bean string appears in metal laser cutting machine processing

Such defects are mainly manifested in the formation of a series of drop-shaped molten beans on the upper edge of the cut. The main causes can be summarized in two aspects:

One is that the surface of the steel plate processed by the flame cutting machine is corroded or caused by the presence of oxide scale in the early stage; secondly, it may be caused by improper control of the height between the cutting nozzle of the flame cutting machine and the steel plate, which is too high or too low. Excessive hot flame temperature may also be the cause.

2. The upper edge collapsed in metal laser cutting machine processing

This type of defect is mainly manifested in that the edges melt too fast, causing rounded corners to collapse. The main causes can be summarized in two aspects:

One possibility is that the cutting speed of the flame cutting machine is too slow and the preheating flame is too strong; the second possibility is that the height between the cutting nozzle of the flame cutting machine and the workpiece is too high or too low; the number of the cutting nozzle used is too large, and the flame There is an excess of oxygen in it.

3. The upper edge of the metal laser cutting machine processes the upper edge collapse and presents an eave shape. Such defects are mainly manifested in the formation of an eave-shaped convex edge on the upper edge of the incision. The main causes can be summarized into three aspects:

One may be due to the excessively long preheating time of the flame cutting machine, which causes the flame body temperature to be too high; the other may be that the height of the cutting torch is too low during the cutting process, resulting in the proximity between the cutting nozzle and the steel plate; the last may be The cutting speed of the flame cutting machine is too slow, or the cutting model used is too large, and there are several reasons for the excess oxygen in the preheating flame.

Based on the above analysis, among the various causes of the quality defects of the steel plate surface processed by the metal laser cutting machine, the flame preheating time is too long, the cutting torch height is not properly controlled, and the flame cutting speed is too slow. The use of the equipment should focus on the above aspects to reduce material loss and cost waste. More technical questions are welcome to consult.

The above are some of the factors that may cause problems with the cutting surface when using the metal laser cutting machine. You must deal with them according to these contents.

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