Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, D/P, T/T, Western Union |
| Supply Ability | 100 Pieces/Month |
| Delivery Time | 75 Days |
| Packaging Details | Plywood Crate |
| Material | Forged Steel |
| Profile Type | Double Helical Gear |
| Heat Treatment | Quenching & Tempering |
| Hardness | 260-300 HB |
| Manufacture | Gear Hobbing |
| Quality Grade | ISO 8-9 |
| Brand Name | YIZGEAR |
| Model Number | DB22072802 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/P, T/T, Western Union | Supply Ability | 100 Pieces/Month |
| Delivery Time | 75 Days | Packaging Details | Plywood Crate |
| Material | Forged Steel | Profile Type | Double Helical Gear |
| Heat Treatment | Quenching & Tempering | Hardness | 260-300 HB |
| Manufacture | Gear Hobbing | Quality Grade | ISO 8-9 |
| Brand Name | YIZGEAR | Model Number | DB22072802 |
| Place of Origin | CHINA | ||
| High Light | AISI 4140 Double Helical Gears ，Double helical gear wheel 300 HB ，Helical Gears Wheel Gear Hobbing | ||
1) Features of Double Helical Gears
a) Double Helcial gear opposite thrust reactions thus cancel out the thrust force within the gear itself.
b) The net axial force that acts on the bearings is zero.
c) Power transmitting capacity is very high.
d) By using this high pitch line velocities can be attained.
2) Description of double helical gear
Double helical gear with both left hand and right hand helical teeth.
The double helical form balances the inherent thrust froces.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Milling |
| Gear Teeth Grinding | √ |
| Module (M) | Custom Made |
| Number of Teeth (Z) | 152 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 23° |
| 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 | |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2016
Total Annual:
1.0 Million-1.5 Millon
Employee Number:
50~200
Ecer Certification：
Verified Supplier
YIZGEA which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry. ... YIZGEA which is equipped with a full range of machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry. ...
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