camshaft grinder: sn-series this is the camshaft grinder for prototype and batch production. a choice of different frame sizes provides - for each application - the most advantageous option to suit individual workpiece ge......camshaft grinder: sn-series this is the camshaft grinder for prototype and batch production. a choice of different frame sizes provides - for each application - the most advantageous option to suit individual workpiece geometries.