Sign & Digital Graphics

August '18

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S I G N & D I G I T A L G R A P H I C S • August 2018 • 65 It is important to remove dust and debris from inside the machine and from the mechanical components because if you leave it in there it will cause fric- tion which will wear out the laser head, bearings and belts over time, he says. It is important to keep the laser head clean. Stephens recommends that shops check the optics on their laser head daily. "It is good practice to make sure it doesn't damage the optics. The lens will crack if it gets hot or [debris] will burn onto it and you can't clean it off," he says. Todd Tugwell, global service director at Universal Laser Systems in Scottsdale, Arizona, says that while processing material, either by cutting, marking or engraving, "you are going to get the burn-off effect. If you are engraving a bar code on some aluminum, you are going to have very little burn off. You don't have to clean the optics that often. If you are doing something like foam or rubber stamps or leather that puts off a tremendous amount of smoke and gas, it can cloud the optics quite quickly so you want to clean those quite often." Mike Dean, director of sales and marketing for Epilog Laser in Golden, Colorado, says that it is simple to keep It is crucial that laser owners remove all the debris and fumes they are generating from the extraction unit at least once a year, more if the machine is experiencing heavy use. (Image courtesy of Epilog) Engraving wood will create a lot of smoke, which will require you to clean your machine more often. (Image courtesy of Epilog) It's important to avoid any damage or debris on the optics because it will skew the laser beam, causing poor-quality engraving or marking. (Image courtesy of Epilog)

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