| Place of Origin: | CHINA |
|---|---|
| Brand Name: | YIZGEAR |
| Model Number: | DB22072301 |
| Minimum Order Quantity: | 1 Piece |
| Price: | $1000/ Piece |
| Packaging Details: | Plywood Crate |
| Delivery Time: | 75 Days |
| Payment Terms: | L/C, D/P, T/T, Western Union |
| Supply Ability: | 100 Pieces/Month |
| Material: | Forged Steel | Gear Profile Type: | Double Helical Gear |
|---|---|---|---|
| Heat Treatment: | Quenching & Tempering | Hardness: | 260-300 HB |
| Manufacturing Process: | Gear Milling | Quality Grade: | ISO 8-9 |
| Highlight: | Helical Gear Wheel ISO 8-9,Helical Gear Wheel Custom Made,Right Hand Left Hand Helical Gear |
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1) Description of double helical gear
Double helical gear with both left hand and right hand helical teeth.
The double helical form balances the inherent thrust froces.
2) Applications of double helical gear
Double helical gear widely used for heavey duty industry need to remove the thrust froces.
The rotation speed usually not high for double helical gear.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Milling |
| Gear Teeth Grinding | √ |
| Module (M) | Custom Made |
| Number of Teeth (Z) | 97 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 13° |
| Teeth Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Quenching & Tempering |
| Surface Hardness | 260-300HB |
| 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 | |
