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Brand Name : YIZGEAR
Model Number : HG22083102
Place of Origin : CHINA
MOQ : 1 Piece
Price : $80/ Piece
Payment Terms : L/C, T/T, Western Union, D/P
Supply Ability : 1000 Pieces/Month
Delivery Time : 50 Days
Packaging Details : Plywood Crate
Tooth Number : 76
Helix angle : 23°
Pressure angle : 20°
Tooth Width : 80mm
Hardness : 45-50 HRC
Material : AISI 4140
Forging Steel 12 Module Single Helix Transmission Gears For Gearbox
1) Features of Helical Gears
Helical gears can transmit energy between parallel or perpendicular axes through the use of helical teeth.
They are designed to distribute pressure gradually along the whole tooth.
Because of their tooth inclination, helical gears run smoother and quieter than other gears and are able to carry heavy loads efficiently.
2) Types of Helical Gears
Helical gears are available in two teeth configurations: left handed and right hand.
Helical gears transmit energy through two axial configurations: parallel and perpendicular.
| Products | Helical Gears | 
| Custom Made | √ | 
| Gear Profile Type | Cylindrical Gear | 
| Manufacturing | Gear Hobbing | 
| Teeth Grinding | √ | 
| Module (M) | 12 | 
| Number of Teeth (Z) | 76 | 
| Pressure Angle (α) | 20° | 
| Lead Angle | 23° | 
| Accuracy Grade | ISO 6-7 Grade | 
| Heat Treatment | Carburizing | 
| Surface Hardness | 58-62 HRC | 
| 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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| 12 Module Single Helix Transmission Gears 76 Tooth For Gearbox Images | 
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