Release time：2026-05-27 15:12:57 view count：121
Long-term operation will cause surface wear, cracks, or deformation of rotating parts, transmission components, and matching parts. Damaged parts cannot operate in a stable fit state, thus producing continuous knocking, friction, or rattling noise during movement.
Lubricating media with reduced performance, insufficient filling, or uneven distribution will lead to direct metal contact between moving parts. Severe dry friction generates harsh frictional noise and may also aggravate component wear in return.
Fasteners, brackets, and connecting parts loosened by vibration will make components shift during operation. Misaligned shafts, gears, and other transmission structures will cause unbalanced operation and produce periodic impact noise.
Impurities entering the internal structure of the equipment will collide with moving parts and create irregular noise. In addition, unbalanced rotating parts and unreasonable load matching will trigger vibration and radiate obvious abnormal noise.
Excessive ambient vibration, extreme temperature, and uneven installation foundation will affect the running stability of the whole equipment. These external factors will induce resonance and amplify internal noise.
Carry out disassembly and inspection for parts with obvious wear and damage. Replace failed components in a timely manner, and check the matching precision of new parts to ensure they meet assembly requirements.
Clean the old deteriorated lubricant thoroughly before refilling. Select suitable lubricating materials according to equipment operating conditions, and regularly check the liquid level and operating state of lubrication systems to ensure full lubrication of all friction pairs.
Comprehensively tighten all loose fasteners and connecting structures. Re-calibrate the position and parallelism of transmission parts and rotating shafts to correct assembly deviation, and eliminate impact caused by misalignment.
Open the protective structure to clean out internal sundries and impurities. Conduct dynamic balance test and correction for rotating components to reduce operational unbalance and the resulting vibration and noise.
Reinforce and level the equipment installation base to reduce basic vibration. Keep the working area with stable temperature and clean environment, and avoid equipment running under overload for a long time.
Establish a regular patrol and maintenance mechanism. Listen to the operating sound of the equipment routinely to find abnormal signs at an early stage. Follow standard operation specifications to avoid overloading and improper use. Scientific maintenance can greatly reduce the occurrence of abnormal noise and hidden equipment faults.
Abnormal noise during equipment operation is an intuitive warning of internal faults. By distinguishing noise types, locating fault points accurately, and adopting targeted disposal schemes, the problem can be solved fundamentally. Combined with standardized daily maintenance and normative operation, the equipment can keep running safely and stably for a long time.
[1] Anonymous. Troubleshooting Abnormal Noise During Equipment Operation[J]. Mechanical Engineering Maintenance, 2026: 1–3.
Anonymous. “Troubleshooting Abnormal Noise During Equipment Operation.” Mechanical Engineering Maintenance, 2026, pp. 1–3.
Anonymous. (2026). Troubleshooting abnormal noise during equipment operation. Mechanical Engineering Maintenance, 1–3.
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