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Brand Name : YIZGEAR
Model Number : DB22072301
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
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
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 |
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Right Hand Left Hand Helical Gear Wheel ISO 8-9 Custom Made Images |