Awards & Engraving

October '18

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A&E OCTOBER 2018 • 65 work and make sure the exhaust design meets local building codes. The size of the exhaust fan depends on the length of the duct work used. Lingering smoke in the laser system is an indicator of an inadequate exhaust fan or poorly designed duct work. Another option to removing the smoke from your laser is to use a filtration system. These smoke-eating systems have an internal fan to draw out the smoke from the laser and three types of filter elements to clean the air. The extra up-front cost of a filtration system will be amortized over time when compared to the expense of a duct-based exhaust fan system. If mobility is part of your business plan, then you defi- nitely require one of these filtration systems so you can laser engrave on the road. LASER MATERIALS Let's talk about what really makes our laser engraving business: the laser materials. You should know that not all materials are laser friendly. The laser engraving process uses the focused heat energy from a laser to vaporize, melt, and burn materials. It is this process that generates the smoke and outgassing from the substrates. Some materials can release or out-gas toxic or caustic fumes as part of the laser engraving process. Avoid these materials. On the materials-to-avoid list are any that contain PVC or Poly Vinyl Chloride. As soon as the PVC material is engraved, a highly corrosive smoke is released. Not only is this smoke bad to breathe, it is also dam- aging to your laser system. PVC materials are so harmful to the laser system that all manufacturers void the warranty if damage from PVC fumes is present. The downside is that it is hard to tell if a product contains PVC, but there are some test strips and other tests that show the corrosive nature of the fumes right away. Register Now: or call 800.560.9941 Charlotte November 2-3, 2018 Education Begins November 1 TRAINING in the HALL Hirsch Solutions Inc .............801 JDS Industries Inc ...............401 PDS Equipment ...................209 TRW ....................................802 TRAINING STOP

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