This standard specifies the requirements for the manufacturing and acceptance of single-column and double-column vertical lathes. This standard applies to general-purpose single-column and double-column fixed vertical lathes with a maximum turning diameter of 630 to 8000mm.
JB/T 3665-1996 history
2006JB/T 3665.3-2006 Single and double column vertical turning machines Part 3: Specifications
1996JB/T 3665-1996 Specifications for single-column and double-column vertical lathes