How To Laser Cut Acrylic Sheet
The edge of the blade should hit the line exactly.
How to laser cut acrylic sheet. Acrylic sheet can be cut with many different tools but using a dremel with the appropriate attachments can make the process fairly simple. Check to see where the blade of your scoring tool will land when you run it against the side of the straight edge. In order to generate heat in the cut consider using a longer focal length lens 2 5 or 4. Extruded acrylic in.
Lay your acrylic sheet on a flat work surface and mark the line to be cut. Laser cutting acrylic sheet. You will need to run at high power low speed 4 8mm s and have the air assist on a low level. The acrylic cutting table is essential to a high quality flame polish cut.
Pull the blade towards you along the line. Mark the area of sheet you want to cut. You can also cut acrylic with more traditional blade tools such as a jigsaw band saw or table saw. This will greatly reduce backside reflection and the occurrence of grid marks on the material after being laser cut.
So how do you laser cut acrylic. Then arrange the straight edge so it s just slightly on the line and clamp it to the work surface. With a straightedge as a guide pull the blade toward you leaving a score mark. Use scoring knife to cut a narrow groove in the acrylic sheeting scoring preferably works on sheets less than 6 35mm in thickness.
Because of the flexible nature of acrylic sheeting light hand tools like the dremel can be a better option than heavier power tools. Score the line in the acrylic with a plastic scoring blade. Score the acrylic several more times along the same line then place the acrylic on the edge of the table and use light quick pressure to snap the piece in two. Trotec laser offers an acrylic or metal cutting table option for your laser.
Using your ruler as a guide run a plastic scoring blade along the cutting line trying to make one continuous line with gentle even pressure. When cutting acrylic on a metal cutting bed the laser energy may hit the metal cutting bed and bounce back into the material causing divots or vertical marks along the cut line. However in this day and age this remains ideal for a company which requires a relatively small output. To achieve a polished finish on cut acrylic it is best to use cast acrylic not extruded acrylic.