With reference to GB/T 17421.1 and GB/D 17421.2, this standard stipulates the inspection methods of geometrical dimension, working accuracy, axis positioning accuracy, double-positioning accuracy and corresponding tolerances of centerless cylindrical grinding machines. This standard is applicable to general purposes. , Ordinary precision centerless cylindrical grinder g
GB/T 4681-2007 history
2007GB/T 4681-2007 Precision Inspection of Centerless Cylindrical Grinding Machine
1984GB/T 4681-1984 External cylindrical centerless grinding machines--Testing of the accuracy