Analysis of common problems of laser marking machine

When the 　　 laser marking machine does not work normally, it may be due to a problem with its internal components (Emerson) or other reasons. The following is a general introduction to the problems that often occur.

Laser coding equipment can be divided into two types: scribing type and dot matrix type according to the different forms of marking.

At present, most of the laser coding equipment appearing in the market are of scribing type, while the new type of laser coding equipment adopts a new type of dot matrix technology-dot matrix retention technology.

　　 The most commonly used metal processing technology is sheet metal splitting processing. However, as users have higher and higher requirements for processing efficiency and processing quality, there is a time for sheet metal processing. In the technological revolution, laser marking machine processing methods appeared.

Laser coding equipment can be divided into two types: scribing type and dot matrix type according to the different forms of marking.

At present, most of the laser coding equipment appearing in the market are of scribing type, while the new type of laser coding equipment adopts a new type of dot matrix technology-dot matrix retention technology.

The laser coding machine mainly engraves the trajectory of the character to be marked, while the dot matrix laser machine engraves some important trajectory points of the character to be marked.

Therefore, under the same energy situation, the new dot matrix laser coding machine prints faster.

Laser marking machine processing does not require a cutting knife, so there will be no tool wear (a basic type of component failure) problem (Emerson); processing will not produce deformation; it has fast cutting speed and production work It has the advantages of high efficiency, high degree of flexibility, short product production cycle, narrow slitting, simple operation and control, low labor intensity, and no pollution.

The parts processed by 　　 laser marking machine are all precision rapid prototyping and segmentation, and it can also realize cutting automatic nesting and nesting.

Currently, as long as the thickness of foreign plates is greater than two millimeters, the laser marking machine method will be used. Therefore, many experts agree that the next 30-40 years will be the golden cycle of laser marking machine processing technology development.

But there are still many problems in sheet metal of laser marking machine (Emerson) has not been solved.

　　 Laser marking machine can only cut from the edge of the board in a few cases (Condition), most of which require cutting and perforation technology, which means that a small hole must be drilled on the board. .

The laser marking machine should be used as far as possible in a dust-free, 10℃-35℃ environment, and keep the optics dry and dust-free.

Laser marking machine is mainly used in some occasions requiring finer and higher precision.

The perforation method is to first punch a hole with a punch on the laser stamping compound machine, and then use the laser to cut from the small hole. When drilling the small hole, blasting and pulse perforation are generally used. In both methods, the laser energy is too concentrated in a small area, it is easy to scorch the non-processed area, cause the deformation of the hole, and affect the processing quality.

When 　　 is a low carbon steel laser marking machine, because the up and down position of the laser focus is not correct, the laser output power (referring to how much work the object does in a unit time) is not enough. The line speed is too slow, the purity of the cutting gas is not enough, the laser focus is shifted, and the machine running time is too long to cause instability (wěn dìng), all of which are easy to cause the workpiece to have burrs; In the case of low carbon steel, if the nozzle of the laser head is worn out, abnormal sparks will occur at the joint between the nozzle and the laser head. If this phenomenon is encountered, stop cutting immediately, inspect the connection status of the laser head, and re-thread the thread.

　　 The choice of laser head nozzle (xuanze) does not match the thickness of the processing board. Too fast the line speed of the laser marking machine will cause the laser to not completely cut, so attention is needed. Nozzle and processing plate thickness matching problem (Emerson), control to reduce the linear speed during operation control; also need to pay attention to the need to replace the laser lens when cutting carbon steel plates above 5mm.

　　 Laser marking machine processing uses a laser beam for processing (guò chéng), the material (Material) will form a pit in the center after continuous laser irradiation, and then the laser The coaxial working airflow quickly sifts out the molten material to form a hole, so the choice of puncture point (xuanze) is very important.

The coding machine breaks through the standardization and singularity of traditional inkjet coding technology, creating a brand-new coding method, highlighting product characteristics and brand differences, and improving products in the increasingly fierce market China’s competitive ability, and at the same time provide a powerful tool for shortening the product upgrade cycle and flexible production.

The above are the problems that are prone to occur in the current laser marking machine processing (Emerson). I believe that with the advancement of technology, these problems will eventually be perfectly solved

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