Material: | 42CrMo/AISI 4140 | Tooth Number: | 157 |
---|---|---|---|
Pressure Angle: | 20° | Accuracy: | ISO 8-9 Grade |
Module: | 10 | Weight: | 380kg |
Highlight: | 10 Module Annular Gear,Internal Involute Gear 42CrMo,Annular Internal Involute Gear |
1) Applications of Internal Gear
The most popular application for internal gears is usage for planetary gear trains or gear reducers composed of a carrier,
several spur gears, called planet gears and a sun gear in the center, rotating inside an internal gear.
2) Description of Internal Gear
Internal Gears are gear teeth generated in the internal diameter of a cylinder while external gears have the gear teeth generated on the outside diameter of the component.
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 |