Recently, Tenfaye successfully delivered a large customized large ring gear to an engineering company in Turkey, which demonstrating Tenfaye's exceptional manufacturing capabilities in heavy steel castings.
The main technical specifications of the girth gear are as follows:
Diameter: 6729mm
Material: G34CrMo4 Alloy Steel
Lead Time: 160 Days
Tooth Finishing: Ground finishing, surface roughness up to Ra 1.6
Final Accuracy: DIN 3962 Class 7
Non-Destructive Testing (NDT):

1. 100% UT after rough machining (EN12680-1 Class 2)
2. 100% MT after rough machining (EN 1369: AM/LM 1b, SM1-AM/LM2, SM2)

 
Tenfaye’s Girth Gear Manufacturing Capabilities
As a leading Chinese manufacturer specializing in large cast steel girth gears, Tenfaye has provided custom solutions for global industry leaders including Metso, thyssenkrupp, Cemtec, Fives, Hoffmann, and so on. Tenfaye is one of the few factories in China mastering large-scale gear grinding technology, achieving finished precision up to DIN 3962 Class 5-6. With exceptional machining capabilities and rigorous quality control, Tenfaye delivers reliable large cast girth gear solutions for heavy mining and cement customers worldwide.