This part of JB/T 3665 specifies the types and parameters of single-column vertical lathes and double-column vertical lathes. This section applies to newly designed single-column vertical lathes and double-column vertical lathes.
JB/T 3665.1-2011 history
2011JB/T 3665.1-2011 Vertical turning and boring lathes with one or two columns.Part 1:Types and parameters
1999JB/T 3665.1-1999 Single, double-column vertical lathe parameters