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ALS Maintenance Classroom (2) | Replacing Collimators
Posted on:
2023-07-21
Precautions:
(1) Please operate in a dust-free room
(2) It is better not to install lenses with naked fingers, but wear disposable anti-static gloves
(3) Do not use suction instruments to avoid scratching the lens surface
(4) Avoid talking above the lens and keep away from things that are easy to pollute
(5) Do not touch the film when taking the lens, and hold the edge of the lens
(6) Be careful not to let hard objects touch the polished surface of the lens
(7) After replacing the collimator, it is necessary to calibrate it by coaxing
Prepare tools:
① Isopropanol ② dust-free cotton swab ③ dust-free cloth ④ Allen wrench ⑤ dust remover ⑥ Disposable anti-static gloves
⑦ Optical fiber cold light source machine
⑧ New collimator ⑨ Transparent tape
Operation steps:
1. Remove the cover plate of the collimator first, loosen the screws one by one in a diagonal way, and keep the stress on each corner uniform without damaging the bolts
2. Screws are coated, please place them separately
3. Loosen the internal components with a small wrench
4. Slightly pull out the cable here
5. Loosen the screws under the flat wire, and the other screws are still loosened in a diagonal way
6. Rotate the motor left and right, and the motor must be rotated to the middle position to open
7. Vertical on the desktop
8. Clean the mirror removal tool before replacing the collimator group
9. Push the base to the left and align the right side
10. Use the mirror removal tool to turn and unscrew
11. Take down the metal ring
12. Remove the damaged collimator
13. Look at the cold light source to see if there are black spots on the lens
14. There is black burning point, and a new collimator needs to be replaced
15. Clean the dust on the base and card slot with a cotton swab
16. Use professional dust remover for secondary cleaning
17. Replace the collimator with a new one and install the metal ring
18. Use the mirror removal tool to tighten
19. Pay attention to the position when placing, align and place the positioning pin here
20. Clean the dust on the wrench and screw
21. Tighten each screw diagonally
22. Pull down the flat cable and fasten it
23. Fasten the cover plate and tighten the screws one by one
24. After replacement, it is necessary to find the laser center point by coaxing (this is because the production process of each factory is different, and the error range is also different). The specific operation method is as follows:
25. Take a piece of transparent tape and stick it under the nozzle
26. "Open the shutter" on the remote control panel, and then press "Laser Spot"
27. Check whether the light output point is in the center of the nozzle. The light output point is in the center of the nozzle, indicating that the coaxiality is successful and the cutting can be carried out (if the light output point is not in the center, the position of the lower focus lens needs to be adjusted)
Related Info
ADD: No. 521, Zhujiang Road, Huqiu District, Suzhou City, Jiangsu Province, China
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