Note: PPI’s over 400 when used in vector cutting are likely to cause of tacky edges. Ensure laser is properly focused to ensure clean, smooth cuts. Dies used in mass production of molded parts are sometimes hand engraved to add special touches or certain information such as part numbers. This will minimize burn residue and clean up efforts. Modern professional engravers can engrave with a resolution of up to 40 lines per mm in high grade work creating game scenes and scrollwork. Vector Cutting: When your application will permit, we recommend leaving the protective masking in place when performing vector cuts. Setting your PPI at 400 for photo engraving helps to minimize the ‘banding effect’ often experienced with this fabrication process. Available in 1/8' and 1/4' thickness in matte and gloss finish. They are harder and clearer than extruded acrylics, and they allow you to perform fine, detailed laser and rotary engraving. Your signage will really stand out with ColorCast Acrylics. PPI Settings: Lowering the number of pulse firings per inch, particularly when engraving larger text or objects, will help keep the material cooler minimizing warp tendencies. 5-mil Transfer Tape (T468 +5.03) OVERVIEW. You can change the orientation of your laser to bottom up engraving from the advanced tab in your print driver. This simple process will minimize the amount of residue being exhausted over previously engraved material which can re-deposit on the warm core and make clean up difficult. Please note these are intended as ‘a starting point’ and adjustments in 5% increments may be needed to achieve optimal results.Įngrave Settings: 40 power / 90 speed / 400 DPI Cut 30 power / 15 speed / 1000 hz.īottom Up Engraving: Change the orientation of your laser to begin engraving from the bottom of the material upwards. Instructions for Engraving and Cutting 2 color acrylic sheets This acrylic works great both in a laser cutter and on a CNC mill like the X-Carve The back is not masked and may have minor scuffs and scratches. Because it requires a few more steps, reverse engraving costs a little more, but the benefits are greater. We could paint the word sea using green paint and the rest of it in white. These sheets have a plastic masking on the top side only. Using this same photo, the blue and white one, you really want the word 'sea' in green.
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