Henan Yizhi Machinery Co., Ltd
| Payment Terms | L/C, T/T, Western Union, D/P |
| Supply Ability | 600 Sets/Month |
| Delivery Time | 58 Days |
| Packaging Details | Plywood Crate |
| Material | 20CrNiMo |
| Profile Type | Cylindrical Worm Gear Pair |
| Tip Diameter | 130mm |
| Heat Treatment | Carburizing |
| Length | 620mm |
| Thread | 3 |
| Brand Name | YIZGEAR |
| Model Number | WG22080902 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, D/P | Supply Ability | 600 Sets/Month |
| Delivery Time | 58 Days | Packaging Details | Plywood Crate |
| Material | 20CrNiMo | Profile Type | Cylindrical Worm Gear Pair |
| Tip Diameter | 130mm | Heat Treatment | Carburizing |
| Length | 620mm | Thread | 3 |
| Brand Name | YIZGEAR | Model Number | WG22080902 |
| Place of Origin | CHINA | ||
| High Light | 20CrNiMo Steel Worm Drive Shaft ，worm shaft assembly Profile Grinding ，20CrNiMo Steel worm shaft assembly | ||
1) Description of Worm Gear and worm shaft
Worm gears are an old style of gear, and a version of one of the six simple machines.
Basically, a worm gear is a screw butted up against what looks like a standard spur gear with
slightly angled and curved teeth
2 Types of worm gear and worm shaft
a) Cylindrical Worm Gear Pair
b) Enveloping Gear Pair
3) How worm gear and worm shaft work
An electric motor or engine applies rotational power via to the worm. The worm rotates against the wheel,
and the screw face pushes on the teeth of the wheel. The wheel is pushed against the load.
| Products | Worm Gears & Worm Shafts |
| Custom Made | √ |
| Gear Profile Type | Worm Gear |
| Worm Gear manufacturing | Gear Hobbing |
| Worm Shaft Teeth Grinding | √ |
| Module (M) | Custom |
| Number of Teeth (Z) | Custom |
| Pressure Angle (α) | Custom |
| Lead Angle | Custom |
| Worm Shaft 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
YIZGEA 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. ... YIZGEA 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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