Common problems and solutions of slewing bearings (Part 4)
Rotation of the slewing bearing is not flexible.
(1) The idling of newly purchased products is not flexible.
Remedy: If it can run after afterburning and there is no other abnormality, it can be used normally.
(2) The operation is not flexible after installation.
• Re-process the installation plane of the main engine to make the installation plane meet the requirements; or use the gasket enrichment method.
• Readjust the backlash of the gear meshing according to the requirements, especially pay attention to the maximum position of the gear runout.
• Check to make sure that there are no foreign objects in the meshing positions of the large and small gears.
• Replace a slewing bearing with a slightly larger clearance.
(3) Inflexible operation during operation
• Lack of grease, top up as required
• The sealing strip is damaged, causing foreign matter to enter the raceway.
• Check the meshing condition of the big and small gears for foreign objects or broken teeth.