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Determines the focus position in industry there are three easy methods:

(1) printing method: cutting head movement from the top down, on a plastic plate for laser printing, print focus diameter minimum.


(2) method of inclined plate: and the vertical axis the angle of a plastic plate pulling it horizontally, looking for the smallest laser beam focus.


(3) Blue spark method: remove nozzle, blow air, Pulse Laser on the stainless steel plate, the cutting head movement from the top down until the blue sparks biggest focus.