White paper: Innovations in touch-trigger probe sensor technology (pdf)

Since the invention of the touch-trigger probe in the 1970s, these devices have formed the main means of sensing for dimensional measurement on co-ordinate measuring machines (CMMs) and machine tools. Scanning sensors are increasingly being used on CMMs to measure complex shapes and to characterise the form of prismatic components. However, touch-trigger sensors still have a major role to play in the inspection of component size and position on CMMs, and in workpiece set-up and in-process control on machine tools.