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Laser Engraver
What is the difference between CNC engraving machine and laser engraving machine
2022-06-28 14:51:55 technical college

1. different jobs
Laser engraving machine is a kind of equipment that uses the heat energy of laser to engrave materials. The laser is emitted by the laser and focused into a high-power density laser beam. Through the optical path system, the light of the laser beam can cause the engraving traces of chemical and physical changes of surface materials, or burn some materials in order to display the patterns and words that need to be etched.
CNC engraving machine relies on the rotary engraving head driven by the electric spindle. The processing materials fixed on the host table can be cut according to the cutting tools configured for the processing materials, so as to engrave the plane or three-dimensional patterns designed by the computer. The relief graphics and characters can be automatically engraved.
2. different mechanical structures
According to their specific uses, laser engraving machines can be divided into different types of machines. The structures of these machines are roughly the same. For example, the laser source emits laser, and the CNC system controls the stepping motor to move the focus on the X, y and Z axes of the machine bed through optical elements such as laser head, reflector, lens and lens, so as to engrave ablative materials.
The structure of CNC engraving machine is relatively simple. Controlled by the computer numerical control system, the engraving machine automatically selects the appropriate engraving knife on the X, y and Z axes of the machine tool.
In addition, the knife of laser engraving machine is a complete set of optical elements, and the knife of CNC engraving machine is a solid engraving knife.
3. different machining accuracy
The diameter of the laser is 0.01mm. The laser can perform smooth and bright engraving and cutting in narrow and delicate parts, but the numerical control tool is also useless, because the diameter of the numerical control tool is 20 times that of the laser, so the machining accuracy of the numerical control engraving machine is high.
4. different processing efficiency
The laser speed is fast, which is 2.5 times that of the CNC engraving machine. Because laser engraving and polishing can be carried out, CNC needs to do it twice, and the laser engraving machine consumes less energy than the CNC engraving machine.

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