How to choose a good marking machine

I. Factors affecting the marking efficiency

For a fixed marking pattern, the factors affecting the marking efficiency can be divided into two factors: the equipment itself and the processing material. It can be subdivided into different aspects, so the final factors that affect the marking efficiency include filling type, field lens (filling line spacing), galvanometer (scanning speed), delay, laser, processing material, material and other factors.

Second, measures to improve marking efficiency

Choose the appropriate filling type: bow filling: the marking efficiency is the highest, and sometimes there will be problems of connecting lines and unevenness. When marking thin graphics and fonts, the above problems will not occur, so the bow fill is the first choice. Two-way filling: The marking efficiency is second, and the effect is good. One-way filling: The marking efficiency is the slowest, and it is rarely used in actual processing. Backfill: It is only used when marking thin graphics and fonts, and the efficiency is similar to that of bow fill. Remarks: Using bow fill can improve marking efficiency when detail effects are not required. Bidirectional filling is the best choice for guaranteed effect and efficiency.

Choose the appropriate field lens: the larger the focal length of the field lens, the larger the focused spot; under the same spot overlap ratio, the spacing between the filling lines can be increased, thereby improving the marking efficiency. Remarks: The larger the field lens, the smaller the power density, so increase the spacing between filling lines while ensuring enough marking energy. 4. Choose high-speed galvanometers: ordinary galvanometers, the Z-high scanning speed can only reach two or three thousand millimeters per second; high-speed galvanometers, the Z-high scanning speed can reach tens of thousands of millimeters per second, effectively increasing the marking efficiency . In addition, when using ordinary galvanometers to mark small graphics or fonts, deformation is easy to occur, and the scanning speed must be reduced to ensure the effect. 5. Set the appropriate delay: Different filling types are affected by different delays, so reducing the delay irrelevant to the filling type can improve the marking efficiency. Bow fill and back fill: Mainly affected by the corner delay, can reduce the light-on delay, light-off delay, and end delay; Bidirectional fill, unidirectional fill: Mainly affected by the turn-on delay and light-off delay, can reduce the corner delay. time and end delay. Note: Thick graphics and fonts are less affected by the delay, and the delay can be appropriately reduced. Thin graphics and fonts are greatly affected by the delay, and the delay can be appropriately increased. 5. Select the correct laser: The laser that can be used for the first pulse, adjust the height of the first pulse, and the light-on delay can be 0. For the two-way filling and one-way filling, which often switch the light, the marking efficiency can be effectively improved. Selecting a laser whose pulse width and pulse frequency are independently adjustable can not only ensure that the laser spot can overlap a certain amount after focusing at high scanning speed, but also ensure that the laser energy has enough peak power to reach the destruction threshold of the material and make the material gas change. 6. Processing materials: for example: good (thick oxide layer, uniform oxidation, no wire drawing treatment, fine sandblasting) anodized aluminum, when the scanning speed reaches two or three thousand millimeters per second, it can also produce a very black effect; poor Alumina, the scanning speed can only reach a few hundred millimeters per second. Therefore, suitable processing materials can effectively improve the marking efficiency. Other measures: Check 'Equally Distribute Filling Lines'Jump speed

Have you read it and still don't know how to choose? Next, the laser editor will list the detailed configuration of the different accessories of the marking machine: the laser is the core component of the marking machine, accounting for 60% of the importance of the main marking machine. Laser brand: imported: IPG, Coherent, SPI, NKT, nLight, Jenoptik, JDSU, EO Domestic: Raycus Laser, Maxphotonics, JPT, Lianpin Laser, Shanghai Feibo, Wuhan Anyang, Guoshen Optoelectronics, 46 Institute, Dongfang Rui Radium, Outai. The scanning galvanometer is the second core component of the marking machine: the selection of the galvanometer directly affects the marking effect in the later stage, whether the graphics are deformed or distorted, whether the temperature drift and the marking speed will directly depend on the selection of the galvanometer. The mirror can reach 12000mm/s, and the Z height of the low-speed scanning galvanometer is generally 2000-4000mm/s. The computer configuration is also very important: this should not need to be explained. The marking machine can be divided into: desktop marking machine, portable marking machine, flying line marking machine, fiber laser marking machine, CO2 laser marking machine, etc.

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