This part specifies the requirements for the design, manufacture and acceptance of gear chamfering machines. This section applies to gear chamfering machines with a maximum workpiece diameter of 125 mm~800 mm.
JB/T 6347.3-2019 history
2020JB/T 6347.2-2019 Gear chamfering machines part 2: accuracy inspection
2006JB/T 6347.4-2006 Gear chamfering machines - Part 4: Specifications
JB/T 6347.3-2019 Gear chamfering machines Part 3: Specifications has been changed from JB/T 6347.4-2006 Gear chamfering machines - Part 4: Specifications.