spiral bevel gear specifications: 1) Diameter: 1,550mm 2) Mould: 30 3)non-standard spiral bevel gear1)Material: 42CrMo, 20CrMnMo, 20Cr2Ni4, 35CrMo, 20CrMnTi and other high intensity alloy steel2) Heat treatment :hardening and tempering,high frequency quenching,carburizing quenching and so on,Tooth flank carburization and nitrification, with rigidity of HRC58-623) Gear class : Grade VI4)Precise ...