Introducing the WJ(RV) Series Worm Gearbox - your choice for achieving superior efficiency and reliability in demanding industrial environments.
Featuring an aluminium alloy or cast iron square housing, our worm gearbox combines a compact design with an elegant appearance, ensuring long-lasting performance.
Engineered for smooth operation, our gearbox offers an efficient radiator, low noise levels, and high carrying ability, making it suitable for a variety of machinery equipment.
From chemical to food and beverage industries, the WJ(RV) Series provides a flexible and convenient installation, steady running, and is widely used across multiple sectors.
1.WJ series worm gearbox adopt aluminium alloy or cast iron square housing, small size and elegant appearance.
2.It is flexible and convenient to install, steady running, efficent radiator, low noise, high carrying ability.
3.The products have been widely used for machinery equipment , such as chemical, plating, ceramic, leather, pharmaceutical, foods,beverage,etc.
Type and specification: WJ30~WJ150
Fast selection:
| Model | Shaft Dia.(mm) | Center Height (mm) |
Output Flange Dia. (mm) |
Power (kw) |
Ratio | Permitted Torque (Nm) |
Weight (KGS) |
|
| Solid(h6) | Hollow(h7) | |||||||
| Wj30 | 14 | 14 | 40 | 80 | 0.09~0.3 | 7.5~100 | 22 | 1.5 |
| Wj40 | 19 | 18/19 | 50 | 110 | 0.12~0.5 | 7.5~100 | 55 | 2.5 |
| Wj50 | 25 | 25 | 60 | 125 | 0.18~0.7 | 7.5~100 | 120 | 4 |
| Wj63 | 25 | 25 | 72 | 180 | 0.37~1.5 | 7.5~100 | 175 | 6 |
| Wj75 | 28 | 28 | 86 | 200 | 0.55~3 | 7.5~100 | 280 | 9 |
| Wj90 | 35 | 35 | 103 | 210 | 0.75~4 | 7.5~100 | 425 | 13.5 |
| Wj110 | 42 | 42 | 127.5 | 270 | 1.1~5.5 | 7.5~100 | 585 | 43 |
| Wj130 | 45 | 45 | 147.5 | 320 | 1.5~7.5 | 7.5~100 | 850 | 67 |
| Wj150 | 50 | 50 | 170 | 320 | 2.2~15 | 7.5~100 | 1500 | 100 |
Remark: the weight is for basic model, without oil and motor
2、Custom Solutions
We understand that every industry has unique needs. That's why we offer customized gear motor solutions tailored to your specific requirements, guaranteeing optimal performance for your application.
3、Sustainability Focus
We are dedicated to reducing our environmental footprint through innovative design and manufacturing practices. Our gearmotors are not only powerful but also designed with sustainability in mind, helping you meet your green objectives.
4、Global Reach, Local Support
With clients in over 50 countries, we pride ourselves on our global reach and local presence. Our worldwide network of support specialists ensures you receive the assistance you need, whenever you need it.
Use Scenarios
Food Packaging Conveyor Systems
A Design Engineer for a food packaging plant requires a drive system that is lightweight and corrosion-resistant. The heavy cast iron units from traditional industrial gearbox manufacturers are prone to rusting during washdowns. The engineer selects our Aluminum NMRV gearbox. Its smooth surface prevents food particle accumulation, and the sealed synthetic lubrication prevents contamination. The right-angle design allows the motor to be tucked parallel to the conveyor frame, saving valuable aisle space. The reliability of the drive ensures that the packaging line runs continuously during high-volume shifts, maintaining the throughput required for perishable goods.
Ceramic Glazing Line Automation
In a ceramic tile production facility, the Glazing Line Manager needs a stable, vibration-free drive to move tiles under the spray nozzles. Any vibration translates to uneven glazing. Our worm gearbox is deployed here because of its inherent damping characteristics, which are superior to the gear trains typically found in products from gear reducers manufacturers. The high reduction ratio allows for slow, controlled movement. Additionally, the self-locking property of the high-ratio worm gear acts as a safety brake, ensuring the belt does not roll backward if the power is cut unexpectedly, protecting the fragile tiles from damage.
Logistics Sorting Center Retrofit
A Maintenance Supervisor at a busy parcel sorting hub is retrofitting older conveyor belts. They need a replacement that matches existing footprints but offers better reliability. They turn to us for a custom gearbox solution where we provide a unit with a specific hollow shaft diameter to fit the existing pulley shafts directly. This eliminates the need for expensive couplings and alignment work. The compact nature of the worm unit allows it to fit in the tight spaces under the sorting chutes. The supervisor values the quick installation and the "install and forget" nature of the long-life synthetic oil, which reduces the maintenance burden on the night shift crew.
About us：
Why Choose Zhejiang Shuanglian Machinery Co（SLM）?
SLM (Zhejiang Shuanglian Machinery Co., Ltd.), founded in 1988 in Wenzhou, has grown from a small factory to a leading gear motor manufacturer in China. With over 30 years of industry experience, we’ve been committed to innovation and quality, producing a wide range of gear motors, including cycloidal, helical, and worm types. Our products are trusted in industries such as chemicals, construction, and pharmaceuticals, and we export globally to Europe, America, and Asia.
With advanced facilities and ISO9001:2008 certification, we pride ourselves on delivering reliable solutions to our customers worldwide. Our domestic sales network is expansive, and our global presence continues to grow.
Looking towards the future, SLM is committed to innovation and performance enhancement, aiming to lead the way in industrial automation and smart manufacturing.
Elevate Your Operations with SLM Gearmotors - Experience the power of innovation and quality perfected over 30 years. Discover SLM and transform your machinery today!
