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Harmonic Drive Bearings for Robot Gearboxes


In recent years, when it comes to the harmonic reducer bearing, professionals in the industrial robot industry are familiar with it. For many years, this palm-sized robot component has been the main component of robots.


Are robot cross roller bearings easily worn out and considered consumables? Of course not, because robots generally do not have many movements and move within a certain range. If the cross roller bearing of the robot wears out, it may be due to the poor wear resistance of the thin-walled bearing selected, which is related to the heat treatment of the bearing sleeve, and the bearing sleeve has not adopted shot peening. The method enhances the wear resistance of the bearing, and the bearings used are operated continuously back and forth within a semicircular range. The steel balls in the bearing groove rub back and forth in one place, and the surface accuracy of the bearing groove will be lost after 3 to 6 months.


Harmonic reducer bearings have high stiffness, rotational accuracy, and composite bearing capacity


Due to its limited installation space and high load requirements, harmonic reducer bearings for industrial robots are often designed as thin-walled and non-standard bearings. Due to the high-precision requirements of harmonic reducer motion, the machining and manufacturing of bearings are particularly strict. According to its different applications, it is mainly divided into the following categories: RV reducer bearings, harmonic reducer bearings, bearings for cycloid gear reducers, etc.


There are some precautions when using robot cross roller bearings


Robot cross roller bearings are precision parts, and their use must be carried out accordingly. No matter how high-performance the bearing is, if it is used improperly, the expected high performance will not be achieved. The following are some precautions for using bearings:


Keep the robot cross roller bearings and their surrounding environment clean


Even if tiny dust that is invisible to the naked eye enters the bearing, it will increase the wear, vibration, and noise of the bearing. The bearings and their peripheral accessories should be kept clean, especially dust and foreign objects, and tools and working environments must also be kept clean.


Carefully install the bearing during use


Heavy stamping is not allowed, the bearing is not allowed to be hit directly with a hammer, and pressure is not allowed to be transmitted through the rolling elements.


Use appropriate and precise installation tools


Try to use special tools and avoid using fabrics and short fibers.


Prevent the cross roller bearings of the robot from rusting


When directly taking the bearing by hand, thoroughly wash away the sweat on your hand, and apply high-quality mineral oil before operation. Pay special attention to rust prevention in the rainy season and summer.


The strengths of the robot cross roller bearings provided by Tuo Hong Bearings are the ultra-long life and high precision. After many models of bearings are installed, they can run continuously for 24 hours as required, and they can normally be used for several years in general. Only such products can be considered qualified products.