EWA21-2 Series Slewing Drive

Advantages compared to single worm slewing drives:

• The double worm slewing drive still has the characteristics of modularization, safety, and simplified host design.
• Unlike the single worm, under the premise of the exact external dimensions, the double worm rotary drive has a more compact structure, better load capacity, and output torque far exceeds that of the single worm rotary drive.
• The double worm slewing drive abandons the core component slewing bearing in design. It forms a double-row space cross-roller type slewing bearing through the outer casing and the worm gear within it and meshes with the worm gear through two worms in the container. To achieve rotation, to ensure that while earning higher bearing capacity, it can also generate higher output torque.

Double Worm Slewing Drive Application:

1. Heavy duty flat transport truck

Compared with the single worm slewing drive, the double worm slewing drive is more suitable for the steering device of the heavy cargo heavy haul truck with more considerable tonnage. It has been proved that when the single worm slewing drive is used in heavy equipment with large cargo, it will produce jitter and noise. The casing is distorted, and even the worm is broken. Therefore, this particular slewing drive has become a favorite product for the designers of heavy equipment.

2. Heavy lifting and aerial work area.

Adaptability to harsh working conditions and use conditions, especially in heavy lifting and heavy-duty aerial work, the double-row rotary drive is matched with the traditional slewing bearing, which makes the slewing mechanism even more powerful. At the same time, it also provides several times the output torque higher than the conventional design. In the application field, where the load and torque are extremely demanding, the advantage of the single-worm rotary drive is gradually lost, and the double-worm rotary drive meets users' needs.

3. Solar tracking system.

A solar tracking system is an important application field ofslewing drive. Solar tracker slew drive as a rotating component can accurately adjust the main engine's rotation angle and elevation angle according to the different sun positions in the day. Comparing the maintenance characteristics of a single worm slewing drive and dual worm axis slewing drive, as well as the increased power generation rate, if the latitude is less than 30 degrees, it is suitable to adopt a single worm slewing drive. If the space is above 35 degrees, it is appropriate to adopt a dual worm axis slewing drive.

Why Choose Our Slewing Drives?

We offer different dimensions and construction series with straight or helical gearing, an open or closed structure, and screws and casing. We use other materials when manufacturing based on the customer's requirements and operational conditions.

Our slewing drives are available in a large variety of standard design sizes. We will gladly develop a slew drive tailored to your requirements if you are looking for an individual solution.

Contact us – we will be happy to help you!