
Wpa Gearbox
WPA Gearbox is the core product category of the WP series cast iron worm gear reducers. Developed from the WD reducer, it is an independent transmission component consisting of a worm gear and a worm shaft meshing within a rigid, sealed cast iron housing. It is primarily used for speed reduction transmission between a prime mover and a driven machine. Some models feature self-locking capabilities, and multiple units can be combined to achieve larger transmission ratios, making it widely adaptable to the power transmission needs of small and medium-sized mechanical equipment across various industries.


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WPA40 WPA50 WPA60 WPA70 WPA80 WPA100 |
WPA120 WPA135 WPA147 WPA155 WPA175 WPA200 WPA250 |

- High-quality materials ensure durability: The worm gear is made of high-quality materials and heat-treated to achieve high tooth surface hardness, excellent load-bearing and wear-resistant performance, and ensure long-term stable operation.
- High-efficiency and stable performance: Single-stage reduction ratio range 10-60, and multi-stage combination can reach up to 3600. The transmission is smooth with no obvious vibration and noise. The rated power is 0.06-15Kw, and the output torque is 28-3030Nm, which can accurately match various power requirements.
- Reliable quality and wide versatility: The integral housing is rigid and aesthetically pleasing. The bearings and oil seals are all standard parts, which can be matched with various mechanical equipment and are suitable for multiple industries such as plastics, metallurgy, mining, hoisting and transportation, and food processing.

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Model |
WPA Gearbox |
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Ratio |
10, 15, 20, 25, 30, 40, 50, 60 |
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Rated power |
0.12~30kW |
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Input shaft |
Φ9, Φ12, Φ15, Φ18, Φ22, Φ25, Φ30, Φ35, Φ40, Φ45, Φ50, Φ60 |
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Output shaft |
Φ14, Φ17, Φ22, Φ28, Φ32, Φ38, Φ45, Φ55, Φ60, Φ65, Φ70, Φ90 |
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Material |
HT250 |
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Output torque |
20Nm~2700Nm |
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Color |
Blue, Green, etc |
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Warranty |
1 year |




WP gearbox structure










Related WP Gearbox














Product Range:
Gear reducers, worm gear reducers, and electric motors, etc.
Core Advantages
Customized production, extensive export experience;
Service Scope:
Integrated product export, technical support, and after-sales guarantee.

FAQ
Q1: How can we guarantee quality?
A1: We inspect materials when arrived our factory. Check parts during production. Test all products after finished production.
Q2: Can you make the worm gearbox with customization?
A2: Yes, we can customize per your request, like color, shaft size, flange, packing, etc.
Q3: Do you provide samples?
A3: Yes. The sample is available for testing.
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