Drilling plastic on a CNC machine is a pretty common technique for hobbyists, machinists, and even professionals. It's a great way to get started with CNC machines and learn how to operate them. In this article I'll show you what tools and techniques I used while drilling my first few parts with this technique
To start off, it's important to understand that there are many different types of plastics out there; some are hard and brittle like polycarbonate, while others are more flexible like acrylic. The latter has a tendency to crack when drilled for longer than an inch or two at most. This can cause problems in your part design if you're not careful about choosing your material carefully or taking precautions during the drilling process itself.
drilling plastic on cnc