How To Cut Yourself Interlockable Part Out Of Rubber Sheet

Score the line in the acrylic with a plastic scoring blade.

How to cut yourself interlockable part out of rubber sheet.

Take care around the edge of the cut out as you want to avoid paint creeping under the edges. Cut the bottom out of a plastic food container. Rubber is always tough to reshape. Parts suited for this process are washers and gaskets requiring precision to high precision tolerances.

I ve done that a lot. To cnc cut a gasket with a needle just stick a rubber sheet on a previously flattened working surface of your cnc machine i used double adhesive tape and start milling. Or just use a good knife you might happen to have. How do i cut smooth grind the rubber to remove the edge want to bevel the edge.

Pull the blade towards you along the line. This can be avoided by dabbing the paint on the edge of the design template. Need a smooth surface when finished. This will eventually be the top of your mold.

Any ideas on how to cut thick rubber take a sawzall blade and grind the teeth down on it like a knife so you have a knife that moves really fast up and down. Dip the sponge end of a sponge brush into your acrylic paint. Just enough depth to keep the blade moving without force. Instructional video on how to cut rubber with a sharp utility knife to a specified length.

Apply the paint in smooth strokes along the cut out areas of the template. Choose a container that is a little larger than the object you want to make a mold of. Once your cutting line is established and your straight edge in place begin your cut just the way you did with the single pass method. Use sheet rubber of the correct thickness from mcmaster carr and cut the bushings out with a hole saw.

Instead of plunging the blade all the way through the foam though only cut about 1 8 to 1 4 of the way through the foam. Don t worry about how neat or jagged it is. Without seeing the part some options are to freeze the bushing in dry ice and alcohol and it will machine like hard plastic until it warms up. Lathe cut rubber the lathe cutting process entails extruding a tube of rubber cutting it to a specified length sliding it on to a mandrel curing the material and then grinding the od and cutting the finished part to length using a lathe.

I suggest you to start with a silicone rubber sheet since silicone appears to cut best with needles you will then need to experiment with feedrate and spindle speed but usually higher spindle speeds and lower feedrates work better. 60 duro i believe. Use a craft blade to cut out the bottom.