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Laser engraving principle

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😊Is produced by the transition of atoms (molecules or ions) and is caused by spontaneous radiation. Lasers are light, but unlike normal light, lasers are very pure in color because they rely only on spontaneous emission for a very short period of time, and the subsequent process is completely determined by excitation radiation. Yes, there is almost no divergence. , Engraving machine, very high emission intensity. In addition, it is a laser with high coherence, high intensity, and high directivity. After the laser is generated, it passes through a reflecting mirror and is irradiated to the work piece through a focusing mirror, and the work piece (surface) is exposed to strong heat and the temperature rises. It rises sharply. The points melt or evaporate rapidly due to the high temperature, and the processing is performed according to the operating path of the laser head. The application of laser processing technology in the advertising industry can be divided into two main processing m...
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How to choose a metal cutting machine?

  When buying a   fiber laser , you need to pay attention to the following points: (1) There are two types of motors in the engraving machine: one is a stepping motor, which is related to the engraving accuracy of the  metal laser cutter . Some manufacturers choose imported stepper motors, some are joint venture stepper motors, and some are brand motors. The other is a servo motor, the rotor spe e d is controlled by the input signal, and the response is fast. Used as an actuator of an automatic control system, it has the characteristics of low electromechanical time constant, high linearity, and high starting voltage. (2) Laser lens: It is related to the power of the  metal laser cutter  and can be divided into imported lenses and domestic lenses. Domestic lenses are divided into imported materials and domestic materials. The price difference is big, the use effect and the life span are different. It is also great. (3) Laser tube: This is the core of the  m...
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The CNC engraving machine has the following features in the position control system

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 1. The position control system has high control accuracy. CNC machine tools are often used to process precision machine parts, and stone engravers have high requirements for dynamic and static control accuracy of position control systems. 2. The dynamic response of the position control system must be fast. This improves the dynamic tracking performance of the system and eliminates the impact of load disturbances on system speed as soon as possible. 3. The position control system is highly stable and is a prerequisite for the journey of CNC system and has the structure of control system. 4. The position control system is highly reliable. https://buycnc.com/20w-engraver-for-metal/ https://buycnc.com/4-axis-cnc-machine/mini-4-axis-cnc-milling-machine/
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