Apparatus for checking diametral dimensions of a cylindrical part in {HEAD ~ orbital motion} in {TAIL ~ a numerical control} grinding machine 
Apparatus for checking diametral dimensions of a cylindrical part in { HEAD ~ orbital motion } in { TAIL ~ a numerical control } grinding machine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH