CQWY/QILIN/OSPRI/WSX Laser Welding Head Protective Windows 18*2 mm20*2/3mm

Product Description: FS20x3.0 – Dia 20mm ET 2mm Fiber Laser Protective 99.96%,AR/AR@10 30-1090nm

Size: 20 mm x 3.0 mm

Description: Broadband AR 1025 – 1090 nm

Protective Windows: The contamination of the focusing lens is one of the main for poor laser performance and potential downtime. The laser cutting head is very sensitive to any type of contamination. Wewinlaser the best quality of protective windows to protect the focusing lens against contamination.

1.1 Disassembly of Protection Window

① Pull out the protection window drawer from the welding head body, remove it to clean and dust-free environment, and seal the head body at the same time.

1.2 Cleaning of Protection Window

① Available tools: dust-free wiping swabs, isopropyl alcohol and rubber air blow.

② Spray isopropyl alcohol onto the dust-free wiping swabs.

③ Gently pinch both sides of the lens with the left thumb and index finger.

④ Hold the wiping swabs with right hand to gently wipe both sides of the lens in a single direction from bottom to top or from left to right, and blow the lens surface with the rubber air blow to confirm that there is no foreign matters on the cleansed lens surface.


Diameter/ Thickness(mm) Welding Head
Φ18*2mm CQWY
Φ20*2mm QINLIN
Φ20*3mm Ospri/Au3 Tech
Φ20*4mm HANWEI
Φ18*2mm WSX
Φ25*1.5mm KRD
Φ25.4*4mm Raytools


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