The protective lens is a very important precision component in the optical path system of a laser cutting machine. Its cleanliness has a great influence on the processing performance and quality of the laser cutting machine. So, how should the correct replacement operation be performed for the protective lens that has reached its service life? Things to prepare Dust-free cloth, anhydrous alcohol with a concentration of more than 98%, dust-free cloth cotton swabs, masking paper, new protective lens, hexagonal wrench, protective lens locking tool. Replacement steps 1. Wipe Moisten the dust-free cloth with alcohol (close the lid of the alcohol bottle in time to avoid accidentally knocking over), and gently wipe around the protective lens with the dust-free cloth. The purpose of this process is to prevent dust from entering the cavity during disassembly. 2. Remove the lens Use a hex wrench to remove the hex screws, then gently pull out the protective lens insert, and seal the cavity
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