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 |
| Brand | OEM |
| Gear Profile Type | Double Helical Gear |
| Tooth Number | 43 |
| Hardness | 58-62 HRC |
| DP | 6.35 |
| Quality Grade | ISO 6-7 Grade |
| Brand Name | YIZGEAR |
| Model Number | DB220804002 |
| 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 |
| Brand | OEM | Gear Profile Type | Double Helical Gear |
| Tooth Number | 43 | Hardness | 58-62 HRC |
| DP | 6.35 | Quality Grade | ISO 6-7 Grade |
| Brand Name | YIZGEAR | Model Number | DB220804002 |
| Place of Origin | CHINA | ||
| High Light | 17CrNiMo6 Double Helical Gears ，double herringbone gear DP 6.35 ，Double Helical Gears For Gear Reducer | ||
1) Description of Double Helical Gear
Double Helical Gear is characterized by a symmetric arrangement of two identical gear teeth with exactly
opposite helix angles.
2) Feature of Double Helical Gear
The double helical gear' axial forces in the gearbox negate each another.
3) Advantages of Double Helical Gear
a) They develop 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.
| Products | Double Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Grinding |
| Gear Teeth Grinding | √ |
| DP (M) | 6.35 |
| Number of Teeth (Z) | 43 |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 31° |
| 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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