How to adjust the accuracy of laser cutting machine

How to adjust the accuracy of laser cutting machine
Fiber laser cutting machine has a very high precision and is widely used in cutting metal materials. When the precision of the metal laser cutting machine is accurate, the precision determines the cutting quality of the processed parts and the production efficiency of the enterprise. After the laser cutting machine is used for a period of time, the cutting accuracy will be There is a certain error, this error is often caused by the change of the focal length, it is extremely necessary to adjust the cutting accuracy in time. Therefore, mastering how to adjust the accuracy is the necessary knowledge to operate the laser cutting machine. Let’s popularize it for everyone.
Pay attention to the following points when adjusting the accuracy of the laser cutting machine:

1. When the spot of the focus laser is adjusted to be very small, perform spot shooting to establish a special initial effect. The focal position is judged by the size of the spot effect. We only need to look for the laser spot when it is very small, then this position is Especially good processing focal length, and then start processing work.

2. In the first part of the adjusting of the laser cutting machine, we can use some adjusting paper and workpiece waste to spot the accuracy of the focal 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. Make adjustments to different positions many times to find a particularly small spot position to determine the focal length and the particularly optimal position of the laser head.

3. After the laser cutting machine is installed, a marking device will be installed on the cutting nozzle of the CNC cutting machine, and a simulated cutting pattern will be drawn through the marking device. The simulated pattern 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.

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