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How to adjust the optical path of fiber laser cutting machine

Views: 32     Author: heyu     Publish Time: 06-24-2020      Origin: fiber laser cutting machine

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  The birth of fiber laser cutting machine, etc., is mainly to improve work efficiency and improve cutting accuracy. However, high efficiency and high precision are far from human operation. How to adjust the optical path of the fiber laser cutting machine during the use process? The following is the introduction of the optical path adjustment principle of the fiber laser cutting machine by Wuhan Huayucheng CNC:

  By adjusting the angle of the three reflectors, the optical path is finally parallel, the laser head hits the same point at any position, and finally focuses on the center of the focusing lens. Method to adjust the optical path of fiber laser cutting machine: (adjust the current to 4-5mA)

  1. Check whether the laser can hit the reflective lens. (Method to block the first reflector with a plastic sheet, press the TEST key to see the laser dot position.) If the laser cannot hit the lens, adjust the lens position.

  2. Check whether the laser can hit the second and third reflective lenses. If not, adjust the M1, M2, M3 screws behind the mirror at the previous level.

  3. Attach at least two layers of double-sided tape at the light entrance of the laser lens barrel (shown in Figure 6-3 of the laser lens barrel), move the laser head to the upper right corner of the table, press the TEST key of the control panel, and hit a laser point.

  4. Move the laser head to the upper left corner and hit another laser spot. Observe whether it is in the same position as the spot hit in the upper right corner. If not in the same position, adjust the M1, M2, M3 screws of the second reflector. Make the point you hit the same position as the point in the upper right corner.

  5. Move the laser head to the lower left corner, observe whether the dot is at the same position as the upper right corner, and adjust the second reflective lens.

  6. Repeat the adjustment as described in d and e above. After all, the three laser spots hit at the same position.

  7. Check whether the focus is in the center: put a mirror vertically below the focusing lens, place the transparent plastic sheet close to the lens barrel square (ie, hold it), press the TEST key to hit the laser, and see if the laser spot hits the focusing lens center of. Be careful of laser burns when holding the plastic sheet. Do not put your hand in the vertical plane of the lens.

  Note: When adjusting the optical path, adjust the M1, M2, and M3 screws of the frame angle each time the adjustment is very small, and observe the change of the optical path.


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