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Views: 14 Author: heyu Publish Time: 05-09-2020 Origin: Leapion fiber laser cutting machine
There are many problems in the use of metal laser cutting machine, including errors in the process of laser cutting, poor laser cutting effect and so on. How are these errors generated? Now Xiaobian will answer for you.
1. Geometrical error of workpiece
Due to the influence of various reasons, the surface of the processed object is uneven, and in the cutting process, heat will be generated, so that the surface of the thin plate parts is easy to deform, and because of the uneven surface, the laser focus and the position and ideal position of the processed object surface will change randomly.
2. The cutting thickness of the material exceeds the standard
The thickness of cutting material exceeds the standard. Take 3000W as an example: the thickness of the plate cut by the laser cutting machine is less than 20. The thinner the plate, the easier it is to cut,
The better the quality. If the plate is too thick, the laser cutting machine is hard to cut. In the case of cutting, the processing accuracy will be error, so the thickness factor of the plate should be determined.
3. Programming errors
In the process of optical fiber laser cutting machine, the machining path on the complex curved surface is fitted by lines, arcs and so on. There are errors between these fitted curves and the actual curves. These errors cause errors between the actual focus and the relative position of the machined object surface and the ideal programming position. And some teaching programming system will introduce some deviation.
4. The generation of focus position error in laser cutting
In the cutting process of the optical fiber laser cutting machine, there are many factors that cause the relative position of the focus and the surface of the object to be processed to change, which are also related to the surface smoothness of the processed product, the clamping method of the workpiece, the geometric error of the machine tool, the deformation of the long-time load of the machine tool, the thermal deformation of the workpiece in the process of processing, etc., which will cause the laser focus position and the ideal given Deviation in position (programmed position).
These random errors can not be avoided, only through online detection and control to reduce the error, so as to improve the working accuracy of fiber laser cutting machine.
