I. Causes of Lubrication System Failure Analysis
1. Oil Line Blockage
Clogged oil pipes and oil channels prevent lubricant from reaching critical components (such as the eccentric bearing).
Obstruction of oil channels that are too shallow or low oil temperatures (<5°C) exacerbate lubricant flow problems.
2. Improper Lubricant Management
Using inferior grease or mismatched lubricant viscosity (e.g., using low-grade oil in high-temperature environments) can lead to oil film breakdown.
Excessive lubrication intervals (over 50 operating hours without relubrication) can cause bearing dry wear.
II. Key Preventative Measures
1. Lubrication System Maintenance Standards
Daily Inspection: Confirm that the oil level is above 80% of the mark and that the oil is transparent amber (turbid oil requires immediate replacement).
Periodic Lubrication: Replenish lithium-based grease (NLGI) every 50 operating hours. Level 2), shortened to 25 hours in high-temperature environments.
Cleaning and Maintenance: Clean the oil filter monthly; replace if the differential pressure exceeds 0.3 MPa.
2. Operation and Selection Optimization: Avoid overload operation (continuous power output > 90% of rated value) to reduce lubrication system pressure. For hydraulic systems, use anti-wear hydraulic oil (such as HM46) and maintain the oil temperature between 50°C and 70°C.
3. Emergency Troubleshooting: If abnormal vibration or metallic friction sounds are detected, immediately stop the machine and check the bearing lubrication condition. If the hydraulic system pressure fluctuates > 10%, prioritize checking for seal aging or oil line blockage.
