Fault cause analysis of rail and anchor

• Posted by marijuanaparty marijuanaparty December 7, 2023 - Filed in History - 457 views

  1. The connecting rod of the diesel engine is divided into various levels, and it should be noted that different levels of connecting rod can not be changed in the maintenance. If the connecting rod cover is messed up carelessly and not carefully in the overhaul, it will cause the connecting rod big head joint surface to be not closely matched, and the connecting rod cover will be loose in the engine operation, resulting in the fracture of the fishplate connecting rod bolt.

  2.rail and anchor material problems, processing defects and heat treatment process problems will also cause connecting rod bolts to break during engine operation.

  3. During assembly, the twisting torque is too large, the force is not uniform, and the twisting torque is too large, which exceeds the yield limit of rail and anchor materials, causing the connecting rod bolts to yield deformation and break due to excessive elongation under the impact load.

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