Coal Mining Machine Spare Parts Three Planetary Gearset 62 HRC

Brand Name:YIZGEAR
Model Number:GB22112303
Minimum Order Quantity:1 Set
Delivery Time:55 Days
Payment Terms:L/C, T/T, Western Union, D/P
Place of Origin:CHINA
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Location: Zhengzhou China
Address: Taihong 19# South SongShan Road, Erqi Distict, Zhengzhou, China.
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Coal Mining Machine Spare Parts Three Planet Gears Planetary Gearset

1) Description of Epicyclic Gear Train


A planetary gearset consists of two gears mounted so that the center of one gear revolves around the center of the other.


A carrier connects the centers of the two gears and rotates the planet and sun gears mesh so that their pitch circles roll without slip.


A point on the pitch circle of the planet gear traces an epicycloid curve.


In this simplified case, the sun gear is fixed and the planetary gear(s) roll around the sun gear.


2) Feature of Planetary Gearbox


The load in a planetary gear train is shared among multiple planets; therefore, torque capability is greatly increased.


The more planets in the system, the greater the load ability and the higher the torque density.


The planetary gear train also provides stability due to an even distribution of mass and increased rotational stiffness. Torque applied radially onto the gears of a planetary gear train is transferred radially by the gear, without lateral pressure on the gear teeth.


In a typical application, the drive power connects to the sun gear. The sun gear then drives the planetary gears assembled with the external gear ring to operate.


The whole set of planetary gear system revolves on its own axis and along the external gear ring where the output shaft connected to the planetary carrier achieves the goal of speed reduction.


A higher reduction ratio can be achieved by doubling the multiple staged gears and planetary gears which can operate within the same ring gear.


ProductsGear Box/ Gear Reducer
Custom Made
Gear Profile TypeHelical Gear/ Double Helical Gear
Gear Teeth manufacturingGear Hobbing/ Gear Grinding
Gear Teeth Grinding
Module (M)Custom
Number of Teeth (Z)Custom
Pressure Angle (α)20°/ 14.5°
Helix Angle (β)Custom
Teeth Accuracy GradeISO 6-7 Grade
Heat TreatmentCarburizing/Cement Quenching/Nitriding
Surface Hardness58-62 HRC

STEEL CODE GRADES COMPARISON
CHINA/GBISOГΟСТASTMJISDIN
45C45E4451045S45CCK45
40Cr41Cr440X5140SCr44041Cr4
20CrMo18CrMo420ХМ4118SCM2225CrMo4
42CrMo42CrMo438XM4140SCM44042CrMo4
20CrMnTi 18XГT SMK22 
20Cr2Ni4 20X2H4A   
20CrNiMo20CrNiMo220XHM8720SNCM22021NiCrMo2
40CrNiMoA 40XH2MA/
40XHMA
4340SNCM43940NiCrMo6/
36NiCrMo4
20CrNi2Mo20NiCrMo720XH2MA4320SNCM420 


China Coal Mining Machine Spare Parts Three Planetary Gearset 62 HRC supplier

Coal Mining Machine Spare Parts Three Planetary Gearset 62 HRC

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