Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 500 Sets/Month |
| Delivery Time | 50 Days |
| Packaging Details | Plywood Crate |
| Number Of Teeth | Customized |
| Precision | Highly Accurate |
| Type | Mechanical Component |
| Surface Treatment | Customized |
| Efficiency | High |
| Durability | Long Lasting |
| Load Capacity | Heavy Duty |
| 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 | 50 Days | Packaging Details | Plywood Crate |
| Number Of Teeth | Customized | Precision | Highly Accurate |
| Type | Mechanical Component | Surface Treatment | Customized |
| Efficiency | High | Durability | Long Lasting |
| Load Capacity | Heavy Duty | Brand Name | YIZGEAR |
| Place of Origin | CHINA | ||
| High Light | High Transmission Ratio worm gear ，Smooth Movement worm gear ，Worm Shaft And Gear | ||
1)Description of Worm Gear Set
Worm gear is a gear mechanism for transmitting motion and power between two staggered axes, the worm is shaped like a screw
and the worm gear is similar to a helical cylindrical gear, and the two are meshed through helical teeth to realise the motion conversion,
and usually the worm is the active part.
2)Advantages of Worm Gear Set
a) High transmission ratio: single-stage transmission ratio up to 10 - 80, can achieve a large reduction ratio in a compact space,
to meet the demand for low speed and high torque.
b) Smooth movement: the meshing process is a continuous helical tooth contact, low shock, vibration and noise, excellent transmission smoothness.
c) Self-locking function: under certain conditions, the worm drive is self-locking, which prevents reverse motion
and ensures the safety of the mechanical system.
3)Working Principle of Worm Gear Set
When the worm rotates, its helical teeth push the teeth of the worm wheel, converting the rotary motion of the worm into the rotary motion of the worm wheel.
For each revolution of the worm, the number of teeth of the worm wheel is equal to the number of heads of the worm, a
nd different transmission ratios can be achieved by adjusting the number of heads of the worm and the number of teeth of the worm wheel.
4)Application of Worm Gear Set
Commonly used in the feed system of machine tools, traction machine of lifts, steering mechanism of automobiles, lifting device of cranes,
etc., to achieve precise speed control and force transmission.
| Products | Worm Gears & Worm Shafts |
| Custom Made | √ |
| Gear Profile Type | Worm Gear |
| Manufacturing | Gear Hobbing |
| Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | Custom |
| Lead Angle | Custom |
| Teeth Accuracy Grade | ISO 6 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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