Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 60 Days |
| Packaging Details | Plywood Crate |
| Width | 75mm |
| Number Of Teeth | 15 |
| Gear Profile | Internal Gear |
| Hardness | HV650 |
| Quality Grade | ISO 8-9 Grade |
| Heat Treatment | Nitriding |
| 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 |
| Width | 75mm | Number Of Teeth | 15 |
| Gear Profile | Internal Gear | Hardness | HV650 |
| Quality Grade | ISO 8-9 Grade | Heat Treatment | Nitriding |
| Brand Name | YIZGEAR | Place of Origin | CHINA |
| High Light | Accurate Teeth Manufacturing Internal Spur Gear ，Advanced Gear Shaping Internal Spur Gear ，Gear Shaping Internal Spur Gear | ||
1)Descriptions of Internal Gear
The inner ring gear is a ring-shaped gear with teeth on the inner side. When meshing with the outer gear, the two rotate in the same direction (unlike the opposite rotation between the outer gears). This design gives it unique advantages in closed transmission systems.
2)Advantages of Internal Gear
a)Compact structure: The internal gear can be nestedly installed, optimizing the space utilization rate.
b)High transmission efficiency: The friction loss of straight tooth meshing is small, suitable for high-speed transmission.
c)High stability: During meshing, the contact area is large and the impact resistance is good.
d)Easy to integrate: It can be flexibly combined with planetary gears and shaft parts to meet complex transmission requirements.
3)Applications of Internal Gear
a)Industrial robot: Inner ring of the joint reduction mechanism.
b)Aerospace: Actuator transmission system of aircraft control surfaces.
c)Precision instruments: Rotating adjustment mechanism of optical equipment.
d)Electric tools: such as the gearboxes of drills and angle grinders.
| Products | Internal Gear |
| Custom Made | √ |
| Gear Profile Type | Cylindrical Gear |
| Gear Teeth manufacturing | Gear Shaping |
| Gear Teeth Grinding | * If needed |
| Module (M) | 0.5-25 |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | 20° |
| Helix Angle (β) | 0 |
| Teeth Accuracy Grade | ISO 8-9 Grade |
| Heat Treatment | Quenching & Tempering |
| Hardness | 230-260 HB |
| 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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