Good Plastic For Machining

Acrylic clearest polycarbonate clear pvc polysulfone ultem.

Good plastic for machining.

Drawbacks the downside to delrin s slippery wear resistant surface is that it s very hard to glue. Essentially the plastic will act as plugs but it needs to be really precise in overall length and diameter. We re looking for some hard plastic for some fixturing that will support some thin wall parts during machining. 3d printing is a more recent but rapidly maturing set of technologies opening up to a wider range of low to mid volume.

Their precision rigidity and power output allow them to process even hardened plastics with ease. I should note that woodworking machine tools won t do as good of a job though since their rigidity is lower. Loading strength psi tensile strength plastic in tension and compression strength plastic under compression are important values for structural applications. All the machine tools used to cut plastic are actually metal machining tools.

We want something that handles threaded and or tapped holes nicely. Acetal peek and pvc plastic materials have superior machining characteristics plus they resist melting and chipping while offering good dimensional stability. Delrin is a good plastic for these or any other applications that will experience lots of friction require tight tolerances or need a high stiffness material. Polishing methods are direct machine polish vapor polish flame polish and buffing.