This part of JB/T 6346 specifies the requirements for the manufacturing and acceptance of horizontal gear hobbing machines. This section applies to horizontal gear hobbing machines with a maximum workpiece diameter of 500mm to 2000mm.
JB/T 9872-1999 Metal-cutting machine tools - General specifications for machined components
JB/T 9873-1999 General specification for welding parts of metal cutting machine tools
JB/T 9874-1999 Metal-cutting machine tools - General specifications for assembling
JB/T 9876-1999 Metal-cutting machine tools - Check and evaluation for combine surface by miniating
JB/T 9877-1999 Determination of cleanliness of metal cutting machine tools
JB/T 6346.2-2006 history
2006JB/T 6346.2-2006 Horizontal hobbing machines Part 2: Specifications
1992JB/T 6346-1992 Technical conditions of horizontal gear hobbing machine
JB/T 6346.2-2006 Horizontal hobbing machines Part 2: Specifications has been changed from JB/T 6346-1992 Technical conditions of horizontal gear hobbing machine.