This part of JB/T 7422 specifies the types and parameters of vertical internal honing machines. This section applies to newly designed ordinary, semi-automatic and CNC vertical internal honing machines.
2006JB/T 7422.4-2006 Vertical internal honing machines Part 4: Serial type spectrum
1999JB/T 7422.1-1999 Vertical type internal honing machines parameters
1991JB/T 5603-1991 Vertical internal honing machine series type spectrum
JB/T 7422.1-2013 Vertical internal cylindrical honing machines.Part 1: Types and parameters has been changed from JB/T 7422.4-2006 Vertical internal honing machines Part 4: Serial type spectrum.