MY7140A surface grinding machine: 1) ISO; 2) CE standard; 3) ... precision is fit for National Standard (GB/T4022-1983). 2,It can be carried out trough and flange lateral grinding.3,Grinding ... invertical movement, but also manually feed.4,Grinding head vertical move can be adopted with ... pressure MPa2.5Working precision The parallelism of working surface to base levelmm300:0.005 surface ronghness μmRa0. ...