When drilling plastic the larger the hole the slower drill speed you should use since high speeds can melt the plastic.
Drilling plastic sheet.
It takes a special drill bit to properly drill through plexiglas lucite acrylite or perspex acrylic sheet.
When drilling acrylic it is important that the sheet is well supported.
This includes portable drills drill presses lathes automatic multiple spindle drilling units cnc routers and machining centers.
A brief shop tip on how to drill clean holes in acrylic and other plastics.
Place the sheet on a flat surface that supports it well and which the drill can run in to for example a wood board.
However the likelihood of melting chipping cracking or breaking the acrylic is much higher.
With the necessary equipment ensure you practice the drilling process on smaller pieces of plexiglass sheet before you work on the main sheet.
7 start the drilling process gradually into the polycarbonate sheet.
Once the drill is on begin to drill the polycarbonate sheet.
Also always reduce the drill speed as the drill bit exits the material.
Several manufacturers offer drill bits designed especially for plastics.
Before drilling it s best to clamp down the plastic securely to a solid surface and back up the piece you are drilling with a spare piece of plywood underneath.
The special tip design carves through the plastic not for use with wood or metal.
Plexiglass lexan plastic drill bits these are the bits you need for drilling plexiglass lexan polycarbonate petg and other clear plastics.
Click on the link here yo but a set of titanium coated drill bits for drilling acrylic and plastic.
To drill your plexiglass sheet you may consider acquiring a plexiglass drill to simplify the process.
The best drill bits for this job are titanium coated and will remain shorp through this and many more jobs.
Ensure you go slow stop often to cool the drill and always support the sheet.
Drilling holes in acrylic requires the use of a drill bit specially designed for use with plastics.
Standard metal drill bits will work but without extensive modification the metal drill bit will crack and chip the brittle acrylic sheet.
Alternatively you can acquire plexiglass drill bits that are compatible with normal drillers.
So that it becomes easy for you to know the precise point to drill hence preventing instances of damaging the material.
Any commercially available power driven equipment is acceptable for drilling acrylic sheets.
At this point you ought to have marked all the spots where you need to drill.
Equipment to drill acrylic drills.