Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Tooth Accuracy | ISO 8-9 |
| Manufacture Method | Gear Hobbing |
| Teeth Number | 58 |
| Heat Treatment | Quenching & Tempering |
| Profile Model | Double Helical Gear |
| Direction | Left-hand & Right Hand |
| 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 |
| Tooth Accuracy | ISO 8-9 | Manufacture Method | Gear Hobbing |
| Teeth Number | 58 | Heat Treatment | Quenching & Tempering |
| Profile Model | Double Helical Gear | Direction | Left-hand & Right Hand |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | High Performance Double Helical Gears ，Customizable Tooth Profile Double Helical Gears ，Power Transmission Double Helical Gears | ||
1)Descriptions of Double Helical Gear
A double helical gear is a type of gear composed of two sets of helical teeth with opposite directions.
Its tooth profile is symmetrically distributed, similar to a herringbone gear, but it usually has a central cutting-edge recess for ease of processing.
2)Features of Double Helical Gear
a) It is composed of left-handed and right-handed helical gears arranged in opposite directions,
with a processing groove left in the middle (partially designed as a seamless continuous structure).
b) When the helical gears mesh, axial forces are generated.
However, the symmetrical layout of the double helical gears cancels out the axial forces on the left and right sides.
3)Advantages of Double Helical Gear
a) Axial force self-balancing: No need for additional thrust bearings, simplifies the support structure, and reduces system complexity.
b) High load-bearing capacity: The multi-tooth simultaneous engagement characteristic of helical gears ensures a more even
distribution of load, making them suitable for high-power transmissions.
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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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