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CO2 galvanometer scanning head print distortion solution!

by:ZORON Machinery     2021-01-29
(1) produce a pillow or barrel distortion is a kind of natural phenomenon of galvanometer play mark, it is made of the galvanometer scanning way. The solution is to signal distortion correction;

(2) correction method has two kinds, one kind is hardware correction, now use is less. Another is the correction of software, this is we use morer one;

3. Hardware correction method is to D/A card output analog signals through A calibration card to change the voltage value, according to certain rules to send signals to the vibration lens;

(4) the method of software correction is marking software itself with correction function, in the process of marking, the first digital signal according to certain methods for processing, then the signal is transmitted to the D/A card.





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