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Robot manufacturing

Robot manufacturing

Industrial robot bearings, as one of the key supporting parts of industrial robots, mainly include two categories, one is a thin-walled bearing with equal cross-section, and the other is a cross-cylinder roller bearing. In addition, there are harmonic reducer bearings, linear bearings, joint bearings, etc., but the first two bearings are used more.

The key technology of industrial robot bearings

The development of modern industrial robots tends to be lighter. For bearings to be installed in a limited space, they must be small and light, that is, lightweight. But at the same time, the high load, high rotation accuracy, high running stability, high positioning speed, high repeat positioning accuracy, long life, and high reliability of the robot require the supporting robot bearings must have high load capacity, high precision, high Stiffness, low friction torque, long life, high reliability performance.

alternators bearings


1. Thin-walled equal-section bearings
Thin-walled equal-section bearings are different from ordinary thin-walled bearings. The cross-section of each series of equal-section thin-walled bearings is mostly square and the size is designed to be a fixed value. In the same series, the cross-sectional size is unchanged, it does not increase with the increase of the inner diameter size, so it is called a constant-section thin-walled bearing. Equal cross-section thin-walled ball bearings include thin-walled four-point contact ball bearing series, thin-walled angular contact ball bearing series and thin-walled deep groove ball bearing series. They are mostly used in the waist, elbow and wrist of industrial robots. 3. Limited parts. In the case of the same inner diameter size, thin-walled equal-section ball bearings have more steel balls than standard rolling bearings. Therefore, the internal force distribution of the bearing is improved, the elastic deformation at the contact between the steel ball and the channel is reduced, and the bearing Carrying capacity.


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