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In industrial production to determine the focus of the location of the simple method there are three:
Feb 10, 2017

1, printing method: the cutting head from top to bottom movement in the plastic plate on the laser beam printing, print the smallest diameter at the focus.

2, ramp plate method: and the vertical axis at an angle inclined plastic plate to pull it horizontally, looking for the smallest laser beam at the focal point.

3, blue spark method: remove the nozzle, blowing air, the laser pulse on the stainless steel plate, so that the cutting head from top to bottom movement, until the blue spark at the maximum focus.

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