Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 50 Sets/Month |
| Delivery Time | 35 Days |
| Packaging Details | Plywood Crate |
| Profile Type | Helical Gear |
| Material | Custom |
| Manufacturing Process | Gear Teeth Hobbing |
| Hardness | HRC 58-62 |
| Accuracy Grade | ISO 7 Grade |
| Packing | Plywood box |
| Brand Name | YIZGEAR |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 50 Sets/Month |
| Delivery Time | 35 Days | Packaging Details | Plywood Crate |
| Profile Type | Helical Gear | Material | Custom |
| Manufacturing Process | Gear Teeth Hobbing | Hardness | HRC 58-62 |
| Accuracy Grade | ISO 7 Grade | Packing | Plywood box |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | custom durable transmission gears ，planetary transmission gears ，high efficiency transmission gears | ||
From the perspective of planetary gearing core adaptation, the internal gear ring is a transmission component featuring a ring-shaped structure with teeth distributed along its inner bore surface. It constitutes a core element of the planetary gear mechanism, working in concert with the sun gear and planet gears to achieve power transmission and reduction/increase functions.
Characterised by an overall annular configuration, featuring high precision internal gearing (requiring accurate meshing with multiple planetary gears) and robust structural rigidity; Advantages include a broad gear ratio range (achievable by varying the number of planetary gears or adjusting tooth ratios), uniform load distribution (achieved through simultaneous meshing of multiple planetary gears), high transmission efficiency (typically reaching 96%-98%), and seamless compatibility with planetary transmission systems, thereby simplifying the overall transmission structure.
Suitable for equipment dominated by planetary transmission systems, such as planetary gear mechanisms in automotive automatic transmissions (where the ring gear serves as a fixed or rotating component), industrial robot joint reducers (e.g., the ring gear in RV reducers), gearboxes in wind power equipment, hydraulic motor transmission systems in construction machinery, and spindle reduction mechanisms in precision machine tools.
| Products | Internal Gear Ring |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gears |
| Gear Teeth manufacturing | Gear Grinding |
| Gear Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | Custom |
| Helix Angle (β) | 0° |
| Teeth 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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