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(一)前言随着铁路牵引动力的不断发展,我国自行设计和由国外引进的多种型号的内燃机车和柴油机已先后批量投入线路运用,有的巳走行了近百万公里。经过一段时间的考验表明,柴油机的各主要部件在动负荷下不同程度地暴露出各自的可靠性和耐久性问题。曲轴轴系的扭转
(I) Preface With the continuous development of railway traction power, various types of diesel locomotives and diesel engines, which were designed and imported by our country, have been put into operation in batches. Some of them have already traveled nearly one million kilometers. After a period of tests showed that the main components of diesel engines to varying degrees under dynamic load to reveal their reliability and durability issues. Crank shaft torsion