This standard specifies the parameters and dimensions of multi-axis tapping power heads of combined machine tools. This standard applies to multi-axis tapping power heads of combined machine tools and their automatic lines.
JB/T 2462.12-1999 history
2017JB/T 2462.12-2017 Modular units for modular machine tools.Part 12:Multi-spindle tapping unit head.Parameters and dimensions
1999JB/T 2462.12-1999 Universal parts for combined machine tools Multi-shaft tapping unit head Parameters and dimensions