This standard specifies the requirements for geometric accuracy and working accuracy of single-column and double-column vertical lathes and their inspection methods. This standard applies to general-purpose table-fixed single-column and double-column vertical lathes with a maximum turning diameter of 630 to 8000 mm.
JB/T 4116-1996 history
1996JB/T 4116-1996 Single, double-column vertical lathe Accuracy inspection