Precision crossed roller bearings are critical components in applications requiring high rigidity, precisión, y la capacidad de manejar cargas combinadas (radial, axial, y cargas de momento). La lubricación adecuada es primordial para su rendimiento, longevidad, y confiabilidad general del sistema.
Lubricación de rodamiento de rodillos cruzados
1. Importancia de la lubricación:
Reduce la fricción y el uso: Creates a lubricating film between rolling elements and raceways, minimizing direct metal-to-metal contact.
Extends Fatigue Life: A proper lubricant film reduces stress concentrations and prevents surface damage, thereby prolonging the bearing’s operational life.
Dissipates Heat: Helps to carry away heat generated by friction, preventing overheating and material degradation.
Prevents Corrosion: Forms a protective barrier against moisture, contaminantes, and corrosive agents.
Damping and Noise Reduction: The oil film can absorb some energy, contributing to smoother operation and reduced noise.
Sellando: Grease, en particular, can act as a barrier to prevent the ingress of dust, suciedad, and moisture.
2. Types of Lubricants
The two main types of lubricants used for precision crossed roller bearings are grease and oil. The choice depends heavily on the specific application’s operating conditions (velocidad, carga, temperatura, environment).
Grease Lubrication:
ventajas: Adheres well to surfaces, lasts longer, provides good sealing against contaminants, and is often preferred for applications where easy access for re-lubrication is limited.
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