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| Categories | Double Helical Gears |
|---|---|
| Brand Name: | YIZGEAR |
| Model Number: | DB220804001 |
| Place of Origin: | CHINA |
| MOQ: | 1 Piece |
| Price: | $1000/ Piece |
| Payment Terms: | L/C, D/P, T/T, Western Union |
| Supply Ability: | 100 Pieces/Month |
| Delivery Time: | 75 Days |
| Packaging Details: | Plywood Crate |
| Brand: | OEM |
| Pitch: | 3.819 |
| Lenth: | 2200mm |
| Direction: | Left-hand & Right Hand |
| Roughness: | Ra 0.8~Ra 1.6 |
| Helix angle: | 25° |
| Company Info. |
| Henan Yizhi Machinery Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Custom-made 12 Module 40CrNiMoA Steel Double Helical Gear Shaft
The double helical gear total face is made into two equal halves, both with the same helix angle but with opposite hands.
The axial thrusts are opposite one another, the forces are contained in the gear and not transmitted to the bearing.
Double helical gear forms can balances the inherent thrust forces.
High loading capability and steady transmission are advantaged.
Double helical gears have been widely used for power transmission in gas turbine, generators, prime mover, pump,
fan, and compressor in marine ships and construction machine.
| Parameter | Specification |
|---|---|
| Custom Made | Available |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing Process | Gear Milling & Gear Teeth Hobbing |
| Teeth Grinding | Included |
| Module (M) | 12 |
| Number of Teeth (Z) | 25 |
| Pressure Angle (α) | 20° |
| Lead Angle | 15° |
| Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Curburizing |
| Surface Hardness | 58-62HRC |
| 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 |


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