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How to adjust the accuracy of laser cutting machine

by：VENTECH 2022-03-04

The frequency of use of laser cutting machines in cutting companies is very high. Due to the long use time, the equipment will inevitably have accuracy deviations. For this, let's talk about how to adjust the accuracy.

Due to the high precision of the machine, after using the fiber laser cutting machine for a period of time, the cutting precision will inevitably deviate. This error is usually caused by a change in focal length. Therefore, mastering how to adjust the accuracy is the basic knowledge of operating a fiber laser cutting machine.

First. When the spot of the focused laser is adjusted to the minimum, the initial effect is determined by spotting, and the focal length is determined by the size of the spot effect. We only need to find the smallest laser spot, and then this position is the best. Process the focal length to start processing work.

Second. For debugging at the front of the fiber laser cutting machine, we can use some debugging paper, the scrap point of the workpiece to determine the accuracy of the focus position, move the position of the height of the upper and lower laser heads, the size of the laser point will change when shooting There are different size changes. . Adjust the position several times to find the smallest spot position to determine the focal length and the best position of the laser head.

Third. After installing the fiber laser cutting machine, install a scribing device on the cutting nozzle of the CNC cutting machine, and the scribing device draws a simulated cutting pattern, which is a 1 meter square. A circle with a diameter of 1m is built in, and four corners are drawn diagonally. After the stroke is completed, measure it with a measuring tool. Is the circle tangent to the four sides of the square? Whether the length of the diagonal of the square is √2 (the data obtained by opening the root is approximately: 1.41m), the central axis of the circle should be equally divided into the sides of the square and the points in the center. The distance between the intersection of the axis and the two sides of the square to the intersection of the two sides of the square should be 0.5m. By testing the distance between the diagonal and the intersection, the cutting accuracy of the equipment can be judged.

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