Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Profile One | Helical Gear |
| Durability | High |
| Packing | Plywood Crate |
| Helical Angle | 15° |
| Hardness | 58-62 HRC |
| Steel Code | 20CrMnTi |
| Manufacturing Process | Gear Teeth Grinding |
| 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 |
| Profile One | Helical Gear | Durability | High |
| Packing | Plywood Crate | Helical Angle | 15° |
| Hardness | 58-62 HRC | Steel Code | 20CrMnTi |
| Manufacturing Process | Gear Teeth Grinding | Brand Name | YIZGEAR |
| Place of Origin | CHINA | ||
| High Light | Smooth And Stable Helical Gears ，Machine Tool Drive Helical Gears ，Stable Helical Gears | ||
1)Descriptions of Helical Gear
Helical gears are cylindrical gears whose tooth lines are inclined at a certain angle (helix angle) to the axis.
Compared with straight gears, the teeth of helical gears are arranged in a spiral pattern on the surface of the cylinder.
2)Advantages of Helical Gear
a) High degree of overlap: During meshing, the contact line of the gear teeth of helical gears changes from short to long
and then back to short, resulting in an increase in the number of gear pairs participating in meshing simultaneously.
The overlap ratio is greater than that of straight gears, and the transmission is more stable with less impact, vibration and noise.
b) Stronger load-bearing capacity: Due to the high degree of overlap and the uniform force distribution of the gear teeth,
helical gears can withstand larger loads and are suitable for high-power transmissions.
3)Applications of Helical Gear
It is widely used in automotive transmissions, industrial reducers, machine tool drive systems, etc.,
and is a key component for achieving smooth power transmission and speed transformation.
| Products | Helical Gears |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Manufacturing | Gear hobbing |
| Teeth Grinding | √ |
| Module (M) | 9 |
| Number of Teeth (Z) | Custom |
| 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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