This standard specifies the type and size of the taper grinding mandrel, which is suitable for processing gears with an accuracy of less than level 7 and a positioning diameter of 15-80mm specified in GB/T 10095-1988 "Involute Cylindrical Gear Accuracy".
JB/T 9163.13-1999 history
1999JB/T 9163.13-1999 Taper mandrels for gear grinding machine.Dimensions