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OEM Sinoma Φ4.8×72m Rotary Kiln Girth Gear For Russian Customer

The girth gear of Φ 4.8 × 72m rotary kiln provided by hengin for Russian cement plant users has been packaged after 3 months of manufacturing cycle. The cement plant is a general contracting project of Sinoma, which was put into operation in 2010 and has been in operation for more than 10 years. The customer entrusts us to provide the original girth gear products of Sinoma rotary kiln. We manufacture according to the original drawing size and technical standards, and package the girth gear to ensure the installation accuracy and use effect.

1. Technical Parameters Of Φ4.8 × 72m Rotary Kiln Girth Gear

Modulus           Teeth Number          Tooth Angle         Coefficient of Addendum Height         Helix Angle           Tolerance value of normal tooth thickness of dividing circle



Mn = 40                 z = 188                   α= 20                                   =1                                                      β=0                                                    Sn=  

Accuracy Grade          Gear Pair Center Distance           Tooth Width           Cumulative Tolerance of Pitch            Limit Deviation of Pitch                  Basic Limit Deviation



9-9-BJL (GB10095-88)           A = 4235.78mm                H=550mm                             FP = 0.790                                    fpt=±0.133                                  fpb= ± 0.125
 

◆ Contact spot shall be no less than 40% by height and not less than 50% by length;
◆ The radial runout tolerance of the large gear ring is 1.5mm, and the end face circular runout;

◆ Girth gear is a 2-lobed structure with bolt fastening;
◆ The girth gear weight is 24758kg;

2.Girth Gear Materials and Mechanical Properties

◆ Material Grade: ZG42CrMo;
◆ Hardness of quenching and tempering heat treatment:≥HB240.

3.Provide information of girth gear products to customers

◆ Product quality control ITP plan;
◆ Dimension, mechanical property, NDT test report;
◆ Product certificate, girth gear C / O.

 

 
 
 
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