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Products
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Bearings for metallurgical rolling mills
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Automotive Bearings-Wheel Bearings
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Automotive Bearings-Gearbox Bearings
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NSK brand bearings
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Ceramic bearings with silicon nitride balls
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Mountain bike bearings
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High speed corrosion resistant bearings
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Automotive Bearings - Clutch Release Bearings
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INA brand bearings
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Oilfield bearings
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Customized bearings
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Automotive bearings-Repair steering gear bearings
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Electrically insulated bearings
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FAG brand bearings
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Bearings for wind power
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Stainless steel bearings
Bearings for robots and manipulators
Robot bearings are key components of industrial robots. They are mainly used in manipulator joints, rotary units and precision rotary tables. Their characteristics directly affect the smooth running, repeatable positioning and operational reliability of the robot.
Description
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Product Description
Robot bearings are key components of industrial robots. They are mainly used in manipulator joints, rotary units and precision rotary tables. Their characteristics directly affect the smooth running, repeatable positioning and operational reliability of the robot. The main types include cross roller bearings, thin wall bearings, wave gear bearings and plain bearings. Among them, cross-roller bearings occupy a leading position because they are able to simultaneously absorb radial and axial loads, as well as overturning moment. Some products use technologies such as silicon nitride ceramic beads and superfinishing surface treatments to enhance performance.
Industrial robot bearings are mainly divided into thin-wall equal bearings, cross roller bearings, wave gear bearings, plain bearings, RV gear bearings, as well as electric motor bearings and lead screw bearings.
Design technology
The design principle for bearings that are components of industrial robots should provide for multi-criteria optimization, in which three indicators are taken as objective functions: nominal dynamic load capacity, rigidity and friction moment. Key technologies include rolling contact theory, dynamic load analysis, thermal analysis and reliability assessment. Rolling contact theory describes the contact stresses and deformation behavior of rolling surfaces, allowing the fatigue life and load-bearing capacity of a bearing to be predicted. Dynamic load analysis models the performance of a bearing under dynamic loading conditions. Thermal analysis allows you to predict the temperature distribution and thermal stresses in the bearing, ensuring its stability and reliability at high temperatures. Reliability assessment based on probabilistic models and statistical analysis allows you to predict and prevent potential failures.
Manufacturing technology and precision machining
Key technologies for the production of robot bearings include: technology for precise control of negative clearance in thin-walled bearings; control of the mounting height of thin-walled angular contact ball bearings; technology for assembling thin-walled bearings; technology for non-contact measurement of the inner and outer diameters of thin-walled bearing rings. Specific processes also include: technology for fine grinding of bearing rings based on control of the grinding work hardening layer; hot isostatic pressing, which reduces residual stresses in the bearing by 60%; hardening in a controlled atmosphere, ensuring control of deformation within 0.02 mm.
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