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 | AISI 4140 |
| Heat Treatment | Induction Hardenig |
| Manufacture | Gear Ground |
| Module | 8 |
| Face width | 55 |
| Helix angle | 15° |
| Brand Name | YIZGEAR |
| Model Number | HG22082607 |
| 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 | AISI 4140 | Heat Treatment | Induction Hardenig |
| Manufacture | Gear Ground | Module | 8 |
| Face width | 55 | Helix angle | 15° |
| Brand Name | YIZGEAR | Model Number | HG22082607 |
| Place of Origin | CHINA | ||
| High Light | 8 Module Single Helical Gear ，8 Module Helical Cut Gears ，ISO 7 Helical Cut Gears | ||
Custom Made Transmission Gearss 8 Module Single Helix Gears For Gearbox
1) Description of Helical Gears
Helical gear is an improved version of spur gears.
Teeth on this gear are inclined at an angle which is called helix angle.
This inclination help to take axial thrust in one direction, improves contact area as the teeth length
is higher in helical compare to same width spur gear.
2) Main Technical Data of Helical Gear
a) The description of circular pitch is the same with spur gears.
Distance between same points on adjacent gear teeth.
b) The normal circular pitch is the distance between the same points of adjacent teeth in the pitch diameter surface in the normal direction.
c) The diametral pitch of a helical gear is the same as spur gears.
It’s the ratio of the number of teeth to diameter.
d) Normal diametral pitch is the diametral pitch in the normal surface on helical gear teeth.
e) Axial pitch is also the distance between the same points on adjacent teeth which are measured on the axial direction of the pitch surface.
| Products | Helical Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing | Gear Hobbing & Gear Grinding |
| Teeth Grinding | √ |
| Module (M) | 8 |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20° |
| Lead Angle | 15° |
| 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
YIZHI MACHINERY 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.... YIZHI MACHINERY 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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