Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Forging Steel | 17CrNiMo6 |
| Pressure Angle | 20° |
| Accuracy | ISO 6-7 Grade |
| Gear Type | Cylindrical Gear |
| Color | Standard |
| Processing | Forging |
| Brand Name | YIZGEAR |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days | Packaging Details | Plywood Crate |
| Forging Steel | 17CrNiMo6 | Pressure Angle | 20° |
| Accuracy | ISO 6-7 Grade | Gear Type | Cylindrical Gear |
| Color | Standard | Processing | Forging |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | Smooth Single Helical Gear ，High Efficiency Single Helical Gear ，Quiet Operation Single Helical Gear | ||
1)Descriptions of Helical Gear
A helical gear is a cylindrical gear whose tooth line forms a certain angle (screw angle) with the gear axis.
Its tooth profile is distributed in a spiral manner.
2)Features of Helical Gear
a)The tooth line is not parallel to the axis line; instead, it extends in a spiral manner.
b)During meshing, the contact line is inclined and gradually enters and exits the meshing position.
c)Can be designed to be in either left-handed or right-handed orientation.
3)Advantages of Helical Gear
a)Transmission is more smooth: Progressive meshing reduces shock and vibration.
b)More quiet operation: The noise is reduced by approximately 10-15 decibels compared to spur gears.
c)Higher carrying capacity: The number of meshing teeth is greater than that of straight gears.
| Products | Helical Gears |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing | Gear hobbing |
| Teeth Grinding | √ |
| Module (M) | 9 |
| Number of Teeth (Z) | 12 |
| Pressure Angle (α) | 20° |
| Lead Angle | 20° |
| Accuracy Grade | ISO 6-7 Grade |
| Heat Treatment | Carburizing |
| Surface Hardness | 58-62HRC |
| 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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