Application and Performance Study of Cross-Roller Bearing in Industrial Robots

Trade-off between precision and stability in industrial robots: An investigation on the application and performance of cross- bearings

Abstract:

Industrial robots are high precision, high efficiency, and highly automated manufacturing devices, widely regarded as the soul of modern manufacturing. However, the precision and stability of industrial robots have higher requirements for manufacturing accuracy and operational stability. This paper introduces the application and performance study of cross- bearings in industrial robots, discusses the advantages and applicability of cross- bearings in industrial robots, as well as their structural characteristics and application prospects.

Keywords: Cross-rolling bearings; Industrial robots; Application; Performance study

1. Introduction

Cross-rolling bearings are a new type of bearing structure that have a columnar roll inside the outer circle and a crossed arrangement inside the inner circle. This structure has the advantages of high good stiffness, high precision, easy installation, and so on. Therefore, it has been widely used in industrial robots. This paper conducts research on the application and performance of cross-rolling bearings in industrial robots, and provides reference for the design and manufacture of industrial robots bearings.

2. Structural characteristics of cross-rolling bearings

The structural characteristics of cross-rolling bearings include the following aspects:

1. The columnar roll inside the outer circle and the crossed arrangement inside the inner circle: Cross-rolling bearings have a columnar roll inside the outer circle and a crossed arrangement inside the inner circle, which allows the rollers to form a vertically crossed structure. This structure can effectively improve the bearing capacity.

2. The bearing can support radial, axial, and torsional forces together: Cross-rolling bearings can bear radial, axial, and torsional forces together, which have higher load-bearing capacity and can meet the requirements of high precision and operational stability in industrial robots.

3. The bearing has a high bearing capacity: Cross-rolling bearings have a high bearing capacity, which can meet the requirements of high-precision and high-load industrial robots.

4. The bearing has good stiffness: Cross-rolling bearings have good stiffness, which can ensure the stability of industrial robots" motion.

5. High precision and stability: Cross-rolling bearings have high precision and stability, which can meet the requirements of high-precision and high-load industrial robots.

6. Easy installation: Cross-rolling bearings have easy installation, which does not require special tools and can be quickly installed on site.

3. Application in industrial robots

1. The high precision motion of industrial robots requires a bearing with a high bearing capacity and good stiffness: Cross-rolling bearings have a high bearing capacity and good stiffness, which can meet the requirements of high precision and high-load industrial robots.

2. The complex structure of industrial robots requires a bearing with a small volume and weight: Cross-rolling bearings have a small volume and weight, which can meet the requirements of multiple degrees of freedom and various manipulation methods in industrial robots.

3. The industrial robot needs to have good motion stability: Cross-rolling bearings have high precision and stability, which can ensure the stability of the industrial robot"s motion.

4. Good thermal stability: Cross-rolling bearings have good thermal stability, which can ensure the stability of the bearing in high-temperature environments.

5. Good humidity stability: Cross-rolling bearings have good humidity stability, which can ensure the stability of the bearing in high-moisture environments.

6. Good impact resistance: Cross-rolling bearings have good impact resistance, which can ensure the stability of the bearing when it is subjected to impacts.

4. Conclusion

Cross-rolling bearings have good structural characteristics and are widely used in industrial robots due to its advantages such as high bearing capacity, good stiffness, high precision, easy installation, etc. This paper presents the application and performance study of cross-rolling bearings in industrial robots, showcasing their advantages and applicability, as well as their structural characteristics and application prospects for the future. In the future, cross-rolling bearings will have more extensive applications in the field of industrial robots and contribute to the development of industrial robots.