应用场景
Used for friction reduction, wear resistance and sealing at rotating and articulated positions of the jaw crusher shafting, preventing dust ingress and lubricant leakage and extending the service life of bearings and shafts.
安装说明
1. Before installation, clean mating surfaces and check bushings/seals for size and surface damage, scratches and deformation; 2. Install bushings by press-fitting or shrink fitting, never hammering; seal lips must not be twisted or turned over, with correct installation orientation; 3. After assembly, check rotational flexibility and seal lip contact, and add the specified grease before trial running.
常见问题
How much wear on the bronze bushing (bushing) requires replacement?
Replace when the clearance between the bushing and shaft exceeds twice the original design clearance, or when the surface shows spalling, uneven wear or scoring. Generally, replace when wear of babbitt/copper alloy bushings reaches 5%-10% of wall thickness to avoid seizure and shaft scoring.
What are the main causes of oil seal leakage and how to handle it?
Oil seal leakage is mostly due to lip aging and wear, shaft surface roughness exceeding tolerance or scoring, spring failure, or wrong installation direction. Check shaft surface roughness (about Ra0.8) and chamfer, replace with a same-specification oil seal and install the lip in the correct direction.
How to troubleshoot rolling bearing temperature alarms?
First check whether grease is too much or too little and whether the grease has deteriorated; then check bearing clearance, mounting and locking, belt tension and alignment. A stable temperature rise within 75°C is normal; above 90°C, stop and inspect immediately.
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