What are the causes of cylinder liner cracks?

1 Answers
StIsaac
07/30/25 5:41am
Causes of cylinder liner cracks, apart from manufacturing factors, are primarily due to improper assembly and operational usage. The specific reasons are as follows: 1. Insufficient cooling water: If the diesel engine is operating with a severe shortage of cooling water and cold water is suddenly added to the radiator, the cylinder liner material may contract abruptly, leading to cracks. 2. Overload operation: Prolonged operation of the diesel engine under overload conditions causes a sharp increase in mechanical and thermal stress, which can also result in cylinder liner cracks. 3. Improper operation: If the diesel engine driver or operator forgets to drain the cooling water inside the engine body during winter, the surrounding cooling water may freeze and expand, causing the cylinder liner to crack. 4. Human error: If maintenance personnel do not assemble the cylinder liner according to technical requirements, causing misalignment within the engine block, it can also lead to cylinder liner cracks.
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