3 important Tips for Cutting Aluminum with your CNC Router 3 important Tips for Cutting Aluminum with your CNC Router Most people often use the CNC wood routers to cut wood or acrylic. But CNC routers also can cut aluminum. Here are 3 tips to help you. 1. Use Carbide router bits Carbide-coated cutters can handle the high RPMs that you need for routing aluminum. Even HSS won’t be able to handle the job. Don’t forget to tell you feed and speed calculator that your bit is carbide-coated; it will give you more RPMs. ...   read more