General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 31560.2-2015
Scope
This part of GB/T 31560 specifies the requirements for the manufacture and acceptance of horizontal gear hobbing machines. This part applies to ordinary horizontal gear hobbing machines with a maximum workpiece diameter of 500 mm to 2 000 mm and a maximum workpiece length of 2 000 mm to 8 000 mm.