1)Descriptions of Worm Gear Set
The worm gear set consists of a gear (helicoidal shaft) and a turbine (gearwheel) that mesh with each other. The two components are arranged at a 90° angle for cross transmission. It is suitable for transmission systems that require a large reduction ratio and high load-bearing capacity.
2)Advantages of Worm Gear Set
a)Large transmission ratio: A single-stage transmission can provide a much higher reduction ratio than that of gears, reducing the complexity of multi-stage transmissions.
b)Smooth operation: The progressive meshing of the worm gear and the turbine reduces shock and noise, and is suitable for precision transmission.
c)Self-locking capability: Under specific design conditions, the turbine cannot drive the worm gear in reverse direction, which is suitable for safety braking scenarios.
3)Applications of Worm Gear Set
a)Automation equipment: robotic arms, indexing mechanisms of CNC machine tools
b)Transportation: Steering gear for automobiles, braking system for trains
c)Construction machinery: Elevator drive, crane deceleration device
| 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 | |
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3 Worm Shaft And Worm Gear for Automation Transportation and Construction Machinery Images
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