How To Cut PMMA Plate By Hand

How To Cut PMMA Plate By Hand

Date:Mar 08, 2019

Plexiglass, also known as acrylic, is a new kind of material, which has the advantages of good transmittance, strong resistance and good plasticity. Compared with glass and plastics commonly used in the market, plexiglass has the most obvious advantage of strong resistance. It is said that in some countries, legislation has been made clear that window glass in children's playgrounds is always replaced by plexiglass. Plexiglass has been rapidly promoted and applied since it entered the household industry. It is widely used in furniture appearance, bathtub, desk and chair, bed and other furniture products, as well as wall and ceiling decoration. Although acrylic is widely used in Hefei, its processing has always been a difficult problem. How to cut the PMMA sheet manually is a problem we need to solve.
1. First, use three or four new wallpaper blades, stack them neatly together, and wrap the lower part of them with tape.
2. Then use the tip of the back of the wallpaper knife head to draw the place where you need to bend. Pay attention to the uniformity of the force, and use a ruler to draw it down one by one until it reaches about half of the thickness of the plexiglass plate.
3. Blow the plate after the groove with the hot air of the blower, then fold it gently, and then fold it over. Because of the blade, the bend is very straight.
The coefficient of thermal and cold expansion of PMMA sheet is relatively large. Due to the change of temperature, we should consider reserving appropriate expansion gap.

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