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Brand Name : YIZGEAR
Model Number : DB22072201
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 : 18CrNiMo7/ 17CrNiMo6
Gear Profile Type : Double Helical Gear
Heat Treatment : Carburizing
Hardness : 58-62 HRC
Manufacturing Process : Gear Teeth Grinding
Quality Grade : ISO 6-7 Grade
1) Description of Double Helical Gear
A gear with both left hand and right hand helcial teeth called double helical gear.
2) Feature of Double Helical Gear
The double helcial gear from balances the inherent thrust forces
3) Heat Treatment of Double Helical Gear
Quenching and Tempering heat treatment is widely used for double helcial gear.
Carburizing heat treatement can also considered for double helcial gear if the gear need gear profle grinding.
Products | Double Helical Gear |
Custom Made | √ |
Gear Profile Type | Cylindrical Gear |
Gear Teeth manufacturing | Gear Grinding |
Gear Teeth Grinding | √ |
Module (M) | 4 |
Number of Teeth (Z) | 43&77 |
Pressure Angle (α) | 20° |
Helix Angle (β) | 31° |
Teeth 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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4 Module 17CrNiMo6 Double Helical Gears Gear Grinding Transmission Gears Images |