1) Applications of Internal Gear
a) Planterary gear system, clutches
b) trucks, tractors
c) Marine engines, lawn movers and power generation.
2) Description of Internal Gear
Internal ring gear are cylindrical disks which have involute shaped teeth cut into their interior face.
Products | Internal Gear |
Custom Made | √ |
Gear Profile Type | Cylindrical Gear |
Gear Teeth manufacturing | Gear Shaping |
Gear Teeth Grinding | * If needed |
Module (M) | Custom |
Number of Teeth (Z) | Custom |
Pressure Angle (α) | Custom |
Helix Angle (β) | Custom |
Teeth Accuracy Grade | ISO 8-9 Grade |
Heat Treatment | Quenching & Tempring/ Induction Hardening |
Hardness | 230-260 HB |
STEEL CODE GRADES COMPARISON | |||||
CHINA/GB | ISO | ГΟСТ | ASTM | JIS | DIN |
45 | C45E4 | 45 | 1045 | S45C | CK45 |
40Cr | 41Cr4 | 40X | 5140 | SCr440 | 41Cr4 |
20CrMo | 18CrMo4 | 20ХМ | 4118 | SCM22 | 25CrMo4 |
42CrMo | 42CrMo4 | 38XM | 4140 | SCM440 | 42CrMo4 |
20CrMnTi | 18XГT | SMK22 | |||
20Cr2Ni4 | 20X2H4A | ||||
20CrNiMo | 20CrNiMo2 | 20XHM | 8720 | SNCM220 | 21NiCrMo2 |
40CrNiMoA | 40XH2MA/ 40XHMA | 4340 | SNCM439 | 40NiCrMo6/ 36NiCrMo4 | |
20CrNi2Mo | 20NiCrMo7 | 20XH2MA | 4320 | SNCM420 |