Large-scale laser cutting machine is a laser cutting equipment specially used to cut and process metal materials. It occupies a large share of metal processing in industrial manufacturing. No matter what hardness metal materials can basically be cut with high quality, such as carbon steel and silicon steel , stainless steel, aluminum alloy, titanium alloy, galvanized sheet, pickling sheet, galvanized sheet, copper and other metal materials for rapid cutting, widely used in sheet metal processing, aviation, aerospace, electronics, electrical appliances, subway accessories, Automobiles, machinery, precision parts, ships, metallurgical equipment, elevators, household appliances, craft gifts, tool processing, decoration, advertising, metal external processing and other industries.
In order to improve the cutting accuracy of large laser cutting machines, it is very important to adjust the optical path. First, adjust the current to 4-5mA, and adjust the angles of the three mirrors to make the optical path parallel. The laser head hits the same point at any position, focusing on the center of the focusing lens. Then do the following checks.
1. Check whether the laser can hit the reflector: use a plastic sheet to cover the mirror, then press the TEST button to check the position of the laser point, if the laser cannot illuminate the lens, please adjust the position of the lens. Check if the laser will hit the second and third reflectors, if not, please adjust the M1, M2 and M3 screws behind the upper reflector.
2. Test hitting the laser point: Paste at least two layers of double-sided tape at the light entrance of the laser lens barrel of the laser cutting machine, move the laser head to the upper right corner of the workbench, and press the “Test” button on the control panel to hit the laser point. Middle laser spot. Move the laser head to the upper left corner, and hit a laser point to see if it is in the same position as the point in the upper right corner. If not at the same position, please adjust the M1, M2 and M3 screws of the lower reflector so that the midpoint and the upper right corner are at the same position.
Move the laser head to the lower left corner, observe whether the point is the same as the upper right corner, and then adjust the reflector. Adjust the optical path of the laser cutting machine repeatedly as described, and the three laser points are aligned to the same position.
3. Check whether the focus is in the center: place a mirror vertically under the focusing mirror and observe the laser focus position. If it is not in the center position, adjust the focus position to ensure that the focus is in the center position.
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Post time: Jun-02-2023