This standard specifies the inspection methods for the geometric accuracy and working accuracy of surface milling machines. This standard applies to general-purpose vertical surface milling machines with a work surface width of 320 to 630 mm, and column and end surface milling machines with a work surface width of 320 to 1000 mm.
JB/T 3313.3-1999 history
2021JB/T 14238.1-2021 Surface Milling Machine Part 1: Accuracy Inspection
2011JB/T 3313.2-2011 Surface milling machines.Part 2:Testing of the accuracy