Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Helix Angle | 30°/45° |
| Application | Power transmission |
| Number Of Teeth | Depends on size |
| Tooth Accuracy | ISO 8-9 |
| Manufacture | Gear Milling |
| Heat Treatment | Carburizing and hardening |
| 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 |
| Helix Angle | 30°/45° | Application | Power transmission |
| Number Of Teeth | Depends on size | Tooth Accuracy | ISO 8-9 |
| Manufacture | Gear Milling | Heat Treatment | Carburizing and hardening |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | High Reliability Double Helical Gears ，Long Service Life Double Helical Gears ，Custom Made Double Helical Gears | ||
1)Descriptions of Double Helical Gear
Double helical gears are an efficient transmission component that combines the smoothness of helical gears
with the mechanical advantages of herringbone gears.
They are widely used in the heavy industry sector.
2)Features of Double Helical Gear
a) The transmission process is continuous and smooth, with lower vibration and noise compared to spur gears,
approaching the performance of herringbone gears.
b) Suitable for high-speed and heavy-load applications, such as turbine machinery, large reducers and ship propulsion systems.
3)Advantages of Double Helical Gear
a) Smooth and quiet operation: Helical gears reduce impact, making them particularly suitable for applications that are sensitive to noise.
b) High reliability and long service life: The symmetrical tooth design reduces uneven load wear, thereby extending the service life of gears and bearings.
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| 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 | |
Cutting Milling
Heat Treatment Grinding Inspection
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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