Tag Archives: Machining

Guide to Machining Cast Polyurethane Elastomers (Part 2): Knifing, Milling, Drilling, & Grinding

This month, we continue our guide to machining cast polyurethane elastomers and will be taking a closer look at knifing, milling, drilling, and grinding: Knifing: It’s important that the knife tool be as thin and sharp as possible to get the most precise cuts when close tolerances are present. For metals with hardnesses between 70A and...
Read more

Guide to Machining Cast Polyurethane Elastomers Part 1: Sawing, Turning, Facing, and Boring

Machining metal and plastics are similar some aspects, but each have unique properties where it differs. In Part 1 of our guide to machining cast polyurethane elastomers, we look at 4 machining techniques: sawing, turning, facing, and boring: Sawing: We’ll most often use a band saw for cutting urethane because the long blades run cooler, and...
Read more

A Guide To Machining Polyeurethane

Cast polyurethane can be readily turned, sawed, drilled, ground or milled. These and other secondary operations present many similarities to the machining of metal, but there are also some important differences. This following information is intended to provide some general guidelines for machining urethanes. See Also: The advantages of injection molding It is important to note that the material...
Read more