Mark or scribe the circle and drill a 1 4 inch pilot hole slightly inside the perimeter.
Cutting holes in plastic sheet.
Drilling holes in acrylic.
To determine whether you have properly modified the bit you should see two spiral ribbons of plexiglass emanating from the hole you are drilling.
Cutting thick sheets of plastic to make straight cuts on thicker sheets of acrylic and polycarbonate plastic greater than inch thick you ll need to use a table saw or circular saw.
Clamp the plastic firmly between your knees.
Place the acrylic sheet on top of the rigid foam insulation and mark the line to be cut.
Test your string s durability.
Apply strips of painter s tape over the area to be cut in parallel strips allowing some overlap from one strip to the next.
This video segment will show you how to cut plastic sheet.
You ll need a section of string about 2 feet 61 cm long to cut through plastic.
However it is important that you do it correctly to avoid disfiguring the surface.
Knowing the proper drilling technique for making holes in plastic can save you a lot of headaches and ensure that your holes are clean and evenly cut.
Cutting the plexiglass sheet.
It will also show you the cutting option you have should you choose to have tap plastics cut it f.
Work the thread back and.
Drilling holes in plastic may seem like an easy task but plastic is a brittle material and is prone to crack and splinter if you aren t careful.
Install a 7 1 4 plastic cutting saw blade in the circular saw.
If the hole you intend to cut will be 2 square inches you should tape an area twice that size.
This will prevent damage while cutting and allow you to draw a template on the acrylic or plastic.
4 6 out of 5 stars 208.
I recommend using a circular saw jig or a circular saw guide to keep your cuts straight and to prevent the blade from wandering.
Use a saber saw or jigsaw with a fine toothed blade for larger circles.
Slicing through plastic with string 1.
The plastic that you re cutting through needs to be held steady while.
Finder 10 straight cut aviation snips scissors for cutting hard material metal sheet cutter.
Nt cutter multi use plastic cutter with plastic cutting blade and precision knife blade 1 cutter m 500p 4 3 out of 5 stars 75.