Content :

Specification:Machining Scope
Size:OD Max 16m
One piece of Gear:OD Max 13m
Assemble Gear:According to drawings
Hobbing Modulds: 10-16
Milling Modulus: Up to 120
Spiral Grade:1-15
Accuracy Grade
Milling: 6 grade
Hobbing:8 grade
Material:
Alloy steel:42CrMo4,34CrNiMo6 etc.
Carbon steel:C45E, 1030
Carburizing steel
Quenched and tempered steel
Heart treatment: Quenching&Tempering, Surface Quenching
Teeth Profile: Spur, Helical, Herringbone, Crown, Spiral, Worm and shaft


Girth gears are extensively used in most of the mills and kiln drive system. These gears are one of the highest cost components in the entire drive assembly. The girth gears have a very big diameter and high precision finish. The girth gears have a high efficiency and its overall life depends upon the proper lubrication and alignment.