Causes of errors in High Power Fiber Laser Cutting Machine
1. The geometric error of the workpiece is affected by various reasons. The surface of the processed object is undulating, and heat is generated during the cutting process, which makes the surface of the thin plate part easy to deform. Due to the uneven surface, the laser focus changes randomly with the position of the surface of the processed object and the ideal position.
2. Programming error In the processing of High Power Fiber Laser Cutting Machine, the processing trajectory on the complex curved surface is fitted with straight lines, arcs, etc. There is an error between the fitted curve and the actual curve. These errors result in an error between the relative position of the actual focus and the surface of the processing object and the ideal programming position. Some teaching programming systems may also bring some errors.
3. During the cutting process of the High Power Fiber Laser Cutting Machine, many factors change the relative position between the focus and the surface of the processed object, which is also related to the surface smoothness of the processed product. The workpiece clamping method, the geometric error of the machine tool and the long-term load of the machine tool will all be deformed. The thermal deformation of the workpiece during processing will cause the deviation between the laser focus position and the ideal given position. For these random errors, this is inevitable. Only through online detection and control, can the error be reduced, thereby improving the working accuracy of the fiber laser cutting machine.