The majority of coordinate measuring machines made since the 80's are robust systems. Most are using air-bearings, which, if kept in good repair, means the guideways have suffered little to no wear. The part of the system that shows its age before the others is the operating system. From limited functionality and slow processing speed, to computers that can't be replaced once they fail, to training that is no longer available. Replacing the entire CMM is one option, but not always a cost effective one for all companies. Another option is retrofitting your existing CMM with a new operating system. Bradford Instrument & Gage offers retrofits for a wide range of CMMs, including "portable arm" systems as well as manual and CNC coordinate measuring machines.