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The focus of the laser cutting machine position error elimination method
by：Transon
2020-10-28
In general, the focus of the laser cutting machine position error is has the certain regularity, can undertake compensation through quantitative compensation method, but occasionally there will be some random error, we can only through the line detection and control to eliminate.
what is the online detection and control to eliminate the error?
1, the straightness error. The object of the laser cutting sheet for covering parts or components, due to various reasons, the influence of the processing object surface is uneven, and also can produce the influence of thermal effect in the process of cutting sheet parts of surface deformation, for one dimensional laser processing, covering parts is also produced in the process of forming on the surface of the rough, all of these, will generate laser focus and processed on the surface of the object location and ideal location change randomly.
2, error of workpiece clamping device to produce. Laser cutting processing of the workpiece is placed on acicular workbench, because, for a long time, and workpiece machining error between the wear and tear and laser burns, needle bed will be uneven, the grievances will also produce between sheet metal and laser focus position of random error.
3, programming error. In the process of multi-dimensional laser cutting processing, complex curved surface machining path through the straight line, arc fitting, the fitting curve and the actual curve has some error, the error makes the actual focus and processing relative position on the surface of the object and ideal programming position to produce a certain error, and some teaching programming system will also introduce some deviation.
what is the online detection and control to eliminate the error?
1, the straightness error. The object of the laser cutting sheet for covering parts or components, due to various reasons, the influence of the processing object surface is uneven, and also can produce the influence of thermal effect in the process of cutting sheet parts of surface deformation, for one dimensional laser processing, covering parts is also produced in the process of forming on the surface of the rough, all of these, will generate laser focus and processed on the surface of the object location and ideal location change randomly.
2, error of workpiece clamping device to produce. Laser cutting processing of the workpiece is placed on acicular workbench, because, for a long time, and workpiece machining error between the wear and tear and laser burns, needle bed will be uneven, the grievances will also produce between sheet metal and laser focus position of random error.
3, programming error. In the process of multi-dimensional laser cutting processing, complex curved surface machining path through the straight line, arc fitting, the fitting curve and the actual curve has some error, the error makes the actual focus and processing relative position on the surface of the object and ideal programming position to produce a certain error, and some teaching programming system will also introduce some deviation.
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