Inner gear slew drives: compact and efficient solutions for heavy duty automation equipment

In the application scenario of heavy duty automated equipment rotating bases, facing severe requirements such as high loads, limited installation space, high temperature and heavy dust, etc., U-TRSM’s design engineers through in-depth communication with the customer, customised an inner gear slew drive with outstanding performance, perfectly suited to special working conditions.

1. Core Performance Parameter Highlights

This slew drive, specially designed for heavy-duty automated equipment, demonstrates impressive load capacity while strictly controlling its dimensions.

Load Capacity: Up to 4360 kN — easily handling the heavy pressure requirements of heavy equipment

Tilting Moment: Up to 462 kNm — ensuring excellent stability of the equipment during rotation

Rated Output Torque: 25.7 kNm — providing sufficient power for rotational movements

Outer Diameter: successfully controlled within 1 meter — enabling efficient integration into limited installation spaces

2.Significant Advantages Of Inner Gear Structure

The inner gear structure is widely used in the design and manufacture of slew drives at U-TRSM. Compared to traditional outer gear designs, it has several outstanding advantage:

Maximizing space efficiency

The unique configuration of the inner gear effectively saves equipment installation space and significantly reduces the axial dimension. For applications with limited installation space, it is an ideal choice to improve space utilization.

Improved load distribution and enhanced system rigidity

By adopting the characteristics of centripetal force, this design significantly reduces the load on the bearings, thereby enhancing the rigidity and operational stability of the overall system, as well as extending the service life of the equipment.

Improvement of transmission strength and reliability

In inner gear transmission, the contact strength of the tooth surfaces is significantly improved compared to outer gear designs, offering greater resistance to pitting. At the same time, there are more teeth in instantaneous engagement (usually 3-5 teeth engaging), which makes the load distribution more uniform and further extends the service life of the slew drive unit.

Superior overall performance

In addition to the above advantages, the inner gear slew drive offers superior noise control performance. It is particularly well-suited for applications requiring compact layouts, high loads, and smooth power transmission, making it an ideal drive solution for the rotating bases of heavy-duty automated equipment.

The successful design of this inner gear slew drive not only reflects U-TRSM’s precise understanding of customer needs but also demonstrates its strong capability in developing slew drive solutions for complex working conditions. It provides reliable support for the efficient and stable operation of heavy-duty automation equipment.