某船MTU956V20型主柴油机故障原因分析

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摘    要：本文针对某型主推进柴油机完成修理后在台架试验中发生连杆轴承烧蚀故障，详细对故障原因进行排查和分析，提出针对性质量改进措施。

关键词：柴油机；活塞冷却油压；连杆轴瓦；润滑；质量改进

中图分类号：U664.12                               文献标识码：A

Failure Cause Analysis Of A Ship's MTU956V20 Main Diesel Engine

SUN Xianyou1， YANG Xiaowei2

（ 1.The Military Representative Office of the Naval Department in Guangzhou， Guangzhou 510656;

2.Guangzhou Marine Engineering Corporation，Guangzhou 510250 ）

Abstract： With regards to the ablative failure of connecting rod bearing occurred in the bench test after completion of the repair of a type of main propulsion diesel engine， this paper investigates and analyzes in detail the fault cause， and puts forward some measures for improving the quality.

Key words： Diesel Engine; Piston Cooling Oil Pressure; Connecting Rod Bearing; Lubrication; Quality Improvement

1     前言

MTU956V20型柴油机是四冲程、单作用、水冷、V型60°、直接喷射、废气涡轮增压、增压空气中间冷却、不可逆转、额定转速1 455 r/min、压缩空气起动的柴油机。（剩余4956字）