Slewing bearings are critical components in many heavy machinery and equipment, such as excavators, cranes, wind turbines, and industrial robots. They withstand enormous loads and moments and operate in harsh working environments. Therefore, proper maintenance of slewing bearings is crucial to ensuring equipment reliability, safety, and extending its service life.
Core Maintenance Concept: Prevention First, Frequent Inspection and Maintenance
How to Maintain a Slewing Bearing for Long Life
Slewing bearing failures are rarely sudden; they are often the result of cumulative damage from long-term lack of maintenance or improper use.
Daily Operation Prevention (Reducing Damage at the Source)
Many damages are caused during operation, and good operating habits are the first step to extending the lifespan.
Smooth Operation: Avoid abrupt starting and braking to reduce impact loads on the slewing bearing.
No Overloading: Strictly adhere to the equipment’s rated load. Overloading is a major cause of raceway crushing, deformation, and bolt breakage.
Keep the Platform Level: For mobile equipment (such as excavators), operate on flat, solid ground whenever possible to avoid tilting the equipment, which could cause the slewing bearing to experience excessive overturning moments.
Watch for abnormalities: If you hear unusual noises (clicking, clicking) or feel any sticking or jumping during operation, stop the machine immediately and inspect it.
The following are some key points for maintaining slewing bearings to extend their service life:
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