Precision machining machine with rod for determining the practical mean axis of a hole profile generally cylindrical.

摘要

The invention relates to a machine precision manufacturing, IN PARTICULAR FOR GRINDING OF SEATS VALVES THERMAL ENGINES IN ACCORDANCE WITH that described in EP-B0022796. ROD (11) contains different ACCOMMODATIONS ANNULAR (11A), on which are mounted respectively different rings (13), elastically deformable in the radial direction. The invention applies to all types of manufacturing machines NEEDING THE PRESENCE OF A PILOT SHAFT.