Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T, Western Union, D/P |
| Supply Ability | 1000 Pieces/Month |
| Delivery Time | 50 Days |
| Packaging Details | Plywood Crate |
| Material | 20CrNiMo |
| Tooth Number | 56 |
| Pitch | 12.566 |
| Pitch Diameter | 224mm |
| Total Height | 75mm |
| Hardness | 58-62 HRC |
| Brand Name | YIZGEAR |
| Model Number | HG220806001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, D/P | Supply Ability | 1000 Pieces/Month |
| Delivery Time | 50 Days | Packaging Details | Plywood Crate |
| Material | 20CrNiMo | Tooth Number | 56 |
| Pitch | 12.566 | Pitch Diameter | 224mm |
| Total Height | 75mm | Hardness | 58-62 HRC |
| Brand Name | YIZGEAR | Model Number | HG220806001 |
| Place of Origin | CHINA | ||
| High Light | Single Helical Gear 4 Module ，20CrNiMoA Helix gear ，AISI 8620 Single Helical Gear | ||
1) Description of Helical Gear
Helical gears are cylindrical gears with teeth that are at an angle to the axis of rotation of the gear wheel.
1) Features of the Helical Gear
Helical Gear transfer loads more somoothly than spure gear.
Helical gear can work with greater load capacity, quiter running, and higher speed capacity when compared
with spur gear.
2) Main Technical Data of Helical Gear
Pressure angle: Pressure angle is the angle of tooth drive action, or the angle between the line of froce
between meshing teeth and the tangent to the pitch circle at the point of mesh.
Typical pressure angles are 14.5° or 20°
Helix angle: Helix angle is the angle at which the gear teeth are aligned compared to the axis.
| Products | Helical Gears |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Hobbing |
| Gear Teeth Grinding | √ |
| Module (M) | 4 |
| Number of Teeth (Z) | 56 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 15° |
| 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 | |
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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