某船MTU956V20型主柴油機(jī)故障原因分析

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摘    要：本文針對(duì)某型主推進(jìn)柴油機(jī)完成修理后在臺(tái)架試驗(yàn)中發(fā)生連桿軸承燒蝕故障，詳細(xì)對(duì)故障原因進(jìn)行排查和分析，提出針對(duì)性質(zhì)量改進(jìn)措施。

關(guān)鍵詞：柴油機(jī)；活塞冷卻油壓；連桿軸瓦；潤滑；質(zhì)量改進(jìn)

中圖分類號(hào)：U664.12                               文獻(xiàn)標(biāo)識(shí)碼：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型柴油機(jī)是四沖程、單作用、水冷、V型60°、直接噴射、廢氣渦輪增壓、增壓空氣中間冷卻、不可逆轉(zhuǎn)、額定轉(zhuǎn)速1 455 r/min、壓縮空氣起動(dòng)的柴油機(jī)。（剩余4956字）