| Place of Origin: | CHINA |
|---|---|
| Brand Name: | YIZGEAR |
| Model Number: | HG220806002 |
| 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: | 68 | Helix Angle: | 20° |
|---|---|---|---|
| Pressure Angle: | 20° | Total Height: | 85mm |
| Hardness: | 58-62 HRC | Material: | AISI 4140 |
| Highlight: | 42CrMo Pinion Helical Gears,AISI 4140 pinion helical gear,Helix Gear 7 Module |
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1) Description of Helical Gear
Helical gears are formed by cutters that produce an angle that allows several teeth to mesh simultaneously.
2) Features of the Helical Gear
As the sliding contact of the meshing teeth, helical Gear with more load-carrying capacity and quietness
and smoothness of operation.
3) Mounting specifications of Helical Gear
a) Keyway mounting
b) Set Screw
c) Hub clamping screws
d) Split
e) Simple bore
| Products | Helical Gears |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Hobbing |
| Gear Teeth Grinding | √ |
| Module (M) | 7 |
| Number of Teeth (Z) | 68 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 20° |
| 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 | |