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Precision adjusting method of fiber laser cutting machine

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  • 2 min read

Precision debugging method of fiber laser cutting machine


Mastering how to adjust the accuracy is the necessary knowledge for fiber laser cutting. Today, let’s popularize the method for adjusting the accuracy of fiber laser cutting machine.


(1) When the spot of the focus laser is adjusted to the minimum, perform spot shooting to establish the initial effect. The focal position is judged by the size of the spot effect. As long as we look for the minimum spot of the laser, then this position is the best Processing focal length, and then start processing work.

(2) In the first part of the debugging of the laser cutting machine, we can use some debugging paper and workpiece waste to spot the accuracy of the focal length position, move the position of the height of the upper and lower laser heads, the laser spot size will have different size changes when spotted . Repeated adjustments to different positions to find the smallest spot position to determine the focal length and the best position of the laser head.

(3) After the fiber laser cutting machine is installed, a scribing device will be installed on the cutting nozzle of the CNC cutting machine, and a simulated cutting pattern will be drawn through the scribing device, which is a 1m square. A circle with a diameter of 1m is built in, and the four corners are drawn diagonally. After drawing, use a measuring tool to measure whether the drawn circle is tangent to the four sides of the square. Whether the diagonal length of the square is √2 (the data obtained by opening the root sign is approximately: 1.41m), the central axis of the circle should bisect the sides of the square, and the distance from the point where the central axis intersects the two sides of the square to the point where the two sides of the square intersect ,the distance should be 0.5m. Test the distance between the diagonal and the intersection point to determine the cutting accuracy of the equipment. This is a real experience!

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