Precision debugging method of fiber laser cutting machine

Fiber laser has high electrical-optical conversion efficiency, with a conversion efficiency of more than 30%. The low-power fiber laser does not need to be equipped with a chiller. The use of air cooling can greatly save power consumption during working hours, save operating costs, and achieve the highest production efficiency. So how should we debug its accuracy? Let's take a look at it together!

1. When the light spot of the focus laser is adjusted to the minimum, point shot to establish the original effect, and the focus position is judged by the size of the light spot effect. As long as we find the smallest laser spot, then this position is the best focal length for processing, and then start processing.

Second, in the front part of the laser cutting machine debugging, we can use some debugging paper and workpiece waste to spot fire to determine the accuracy of the focus position, and move the position of the upper and lower laser head height. The size of the laser spot will vary. Adjust different positions many times, find out the smallest spot position, and determine the focal length and the best position of the laser head.

3. After installing the fiber laser cutting machine, a scribing device will be installed on the cutting nozzle of the CNC cutting machine, and the scribing device will be used to draw a line to simulate cutting graphics, and the simulated graphics are 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 central axis of the circle should bisect the edges of the square, and the distance between the intersection of the central axis and the two sides of the square and the intersection on both sides of the square should be 0.5m. By testing the distance between the diagonal and the intersection point, the cutting accuracy of the equipment can be judged.

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