Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 50 Sets/Month |
| Delivery Time | 35 Days |
| Packaging Details | Plywood Crate |
| Number Of Teeth | Custom |
| Pressure Angle | Custom |
| Gear Gridning | Yes |
| Manufacturing | Gear Teeth Milling |
| Compatibility | Universal |
| Durability | High |
| 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 |
| Number Of Teeth | Custom | Pressure Angle | Custom |
| Gear Gridning | Yes | Manufacturing | Gear Teeth Milling |
| Compatibility | Universal | Durability | High |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | custom transmission gear ring ，underground mining gear ring ，internal transmission gear with warranty | ||
From the perspective of environmental resistance in specialised conditions, the internal gear ring is a ring-shaped internal-tooth transmission component engineered for harsh environments such as high temperatures, corrosion, and dust. Through material selection and structural protection optimisation, it ensures long-term stable operation under demanding working conditions.
Characterised by the use of weather-resistant materials (such as stainless steel, heat-resistant steel, wear-resistant alloys), with some incorporating sealed protective structures (e.g., dust seals, sealing rings), and tooth surfaces subjected to special strengthening treatments (e.g., nitriding, application of wear-resistant coatings); Advantages include strong environmental adaptability (operating within -40°C to 300°C temperature ranges or corrosive environments), outstanding wear resistance and corrosion resistance, extended maintenance intervals (typically exceeding standard inner gear rings by over 50%), and reduced impact of harsh conditions on transmission systems.
Suitable for heavy-duty equipment operating under specialised conditions, such as: - Internal gear rings for corrosion-resistant reactor drives in the chemical industry; - Internal gear rings for planetary drives in high-temperature calcining furnaces within the metallurgical sector; - Internal gear rings for ball mills operating in dusty environments within underground mines; - Internal gear rings for corrosion-resistant propulsion systems in marine engineering equipment; - Internal gear rings for high-temperature drives in waste incineration facilities.
| 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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