New triagulation sensor for inside inspection of small drillings and hollows with integrated image processing

Within the scope of an extended monitoring of the production a 100%-control of the workpiece isabsolutely important. Especially the measurement of inside contours in small drillings and hollows is aproblem in various industrial areas. Dimensional reasons are already enough to exclude most of thetried and tested methods for the inside measurement in the workpiece control.The start of this report was the requirement to inspect tube fittings for the plumbing technique. Thatkind of castings everybody knows from the home heating installation like knee pipes and tees must beexamined on inner and outer defects. Usually these work