Cutting hard plastic is no easy task. Not only can the cuts be hard to make, but you also run the risk of breaking it in the process. However, there are some techniques that you can utilize to ensure you don't break your plastic while cutting it.
There are a few different ways to cut hard plastic without breaking it. The best method for cutting plastic depends on the size of the piece and the kind of cuts you need for your project.
To cut hard plastic without breaking, it, you can either use a piece of string, various types of saws, or a hot knife. You can also pre-drill small holes along your cut line to prevent breakage and make the piece easier to cut.
You can cut through oddly shaped and hard pieces of plastic, like PVC pipe, toy cars, and model figures with cotton thread. The concept is simple. You make a saw-like blade using a piece of cotton thread.
Here are the step by step instructions:
It takes patience and work, but you can make a clean cut in plastic without breaking it using a piece of cotton thread.
There are a few kinds of saws that will cut plastic without breaking it. A saw is a good choice for cutting flat or thick pieces of plastic. You can use a hacksaw, fine-toothed saw, circular saw, or jigsaw to cut plastic.
If you use a hacksaw or circular saw, you’ll also need a plastic cutting blade. Avoid using saws or blades with large teeth because they will chip or break the plastic and create rough edges. You want a saw with a fine-toothed blade to cut plastic.
If you choose the hacksaw, jigsaw, or fine-toothed saw to cut your piece of plastic, you’ll want to secure it to your work surface with clamps before you make your cut.
Whenever you cut plastic with a saw, you should wear eye protection and make sure to hold or clamp the plastic to keep it from wobbling or breaking. Mark your cut line and cut slowly to minimize melting.
You can modify a soldering iron tip to create a hot knife to cut hard plastic.
The hot knife method minimizes the chances that your plastic will break. It also makes clean cuts and can be used to make curved cuts. However, many people don't have a soldering iron on hand.
You can use a drill to make small holes along your cut line, prior to then using a different tool for the final cuts.
The drilling method reduces the chances that the plastic will break and also makes it easier to cut along the line and through the plastic. Use this method in tandem with another we recommend for the best results.