Gearbox WPA 50
Ratio: 10,15,20,25,30,40,50,60
Input power: 0.2kW-0.65kW
Input shaft dia.: 12mm
Output shaft dia.: 17mm
Weight: 7kg
The ANJO WPA50 worm gear reducer is a single-stage right-angle transmission reduction device with a center distance of 50mm in the WP standard series. It follows the domestic general WP worm gear reducer industry manufacturing standards and is independently developed and mass-produced by ANJO Transmission Factory, which has 12 years of experience in transmission equipment R&D and production. It features four core advantages: small size, large speed ratio, self-locking, and low operating noise. It is specially designed for use with small motors of 0.06-1.5kW and is widely used in low-speed, high-torque transmission scenarios in light industrial automation.


Size: WPA50
Ratio: 10~60:1
Torque: 31~39Nm
Input speed: ≤1500 r/min
Housing material: HT200
Structure: Worm shaft & worm gear
Installation: Foot-mounted

- Right-angle interlaced transmission, compact structure
Input and output are perpendicularly aligned at 90°, requiring minimal installation space and highly adaptable to small production lines and stand-alone automated equipment.
- Single-stage high reduction ratio, stable transmission
Achieves full-range reduction from 10-60 in a single stage, eliminating the need for multi-stage gear stacking, resulting in fewer transmission components, lower failure rate, and operating noise of 62-67dB(A), with no impact or vibration.
- High versatility and flexible compatibility
The solid standard diameter input shaft can be directly connected to the motor via coupling or pulley; OEM customization of extended output shafts, double output shafts, and flange interfaces is supported.




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FAQ
Q1: Can the WPA50 be used directly with a single-phase 220V motor?
A1: Absolutely. The standard size of the input shaft is compatible with 0.06-0.37kW single-phase motors; you only need to use a corresponding coupling.
Q2: How to distinguish between WPA50 and WPO50 gear reducers, and which one should you choose?
A2: WPA features a bottom-mounted worm gear for better heat dissipation and is suitable for continuous operation; WPO features a top-mounted worm gear, suitable for space-constrained or short-term intermittent equipment; WPA50 is the preferred choice for long-term continuous production lines.
Q3: Can the WPA50 reducer be installed vertically?
A3: The original standard is horizontal foot mounting. Vertical mounting will change the oil level, making it very easy for the worm gear to wear out due to insufficient oil. If vertical use is required, custom oil passages and a higher oil level gauge are needed.
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