Drilling Holes In Acrylic Sheets
The tip must scrape the acrylic not gouge it.
Drilling holes in acrylic sheets. This barrier will help avoid cracking of the sheet when drilling the final hole. If this is not the case the drill is too slow. Press only lightly on the drill the drill must sink itself through the material. Standard metal drill bits will work but without extensive modification the metal drill bit will crack and chip the brittle acrylic sheet.
Drilling holes in acrylic requires the use of a drill bit specially designed for use with plastics. Before you start drilling you ought to place a barrier below the plexiglass. Ensure you go slow stop often to cool the drill and always support the sheet. It is possible to drill acrylic with regular metal drill bits.
However the likelihood of melting chipping cracking or breaking the acrylic is much higher. This barrier may be a piece of wood that you would not mind drilling into. Drilling large holes to drill a hole in acrylite sheet greater than 1 25 4 mm a circle cutter may be used. The chip should break off immediately.