... machine 2, surface polishing controlled by time 3, used in polishing mechanical seals ring 4, ISO9001 Single face polishing ... built, high production oriented, thru-feed or plunge grind systems satisfy the tightest tolerance control for part to part size ... parallelism, flatness and surface finish. Automatic load/unload systems, in-line deburring systems and a post grind 100% part inspection system are ...