| Place of Origin: | CHINA |
|---|---|
| Brand Name: | YIZGEAR |
| Model Number: | DB220804003 |
| 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 |
| Module: | 4 | Gear Profile Type: | Double Helical Gear |
|---|---|---|---|
| Brand: | Quenching & Tempering | Hardness: | 260-300 HB |
| Pitch: | 1.273 | Tooth Accuracy: | ISO 8-9 |
| High Light: | 18CrNiMo7 Steel herringbone helical gear,18CrNiMo7 Helical And Herringbone Gears,Steel Plant herringbone helical gear |
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1) Applications of double helical gear
Transmission components, Automobile, Speed reducers.
a) With higher strength compared with a spur gear
b) More effective in reducing noise and vibration when compared with a spur gear.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Milling |
| Gear Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 20° |
| 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 | |
