| Place of Origin: | CHINA |
|---|---|
| Brand Name: | YIZGEAR |
| Model Number: | HG220806003 |
| Minimum Order Quantity: | 1 Piece |
| Price: | $80/ Piece |
| Packaging Details: | Plywood Crate |
| Delivery Time: | 50 Days |
| Payment Terms: | L/C, T/T, Western Union, D/P |
| Supply Ability: | 1000 Pieces/Month |
| Tooth Number: | 76 | Helix Angle: | 25° |
|---|---|---|---|
| Total Height: | 122mm | Hardness: | 50-55 HRC |
| Material: | SCM 440 | Heat Treatment: | Induction Hardened |
| Highlight: | 10 Module Single Helical Gear,42CrMo Steel Helical Gears,SCM 440 Single Helical Gear |
||
1) Types of Helical Gear
a) Single helical Gear
b) Double Helical Gear
c) Herringbone Gear
2) Direction of Helical Gear
Left-hand & Right-hand
3) Description of Helical Gear
Helical gears have been developed from spur gears, and their teeth lie at an angle to the axis of the shaft.
Contact between the teeth in mesh acts along the diagonal face flanks in a progressive manner,
at no time is the full length of any one tooth completely engaged.
| Products | Helical Gears |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Hobbing |
| Gear Teeth Grinding | √ |
| Module (M) | 10 |
| Number of Teeth (Z) | 76 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 25° |
| 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 | |