机械故障诊断与维修实验指导书VIP专享

机械工程学院《机器维修工程》实验指导书张宇光 编适用专业：农业机械化及其自动化 贵州大学2024-11目 录 1、实验一：零件失效形式的观察、测量与分析··················································22、实验二：柴油机高压油泵的维修·······································································63、实验三：发动机磨合与试验··············································································94、实验报告基本内容要求·····················································································165、实验报告格式 ······································································································17实验一：零件失效形式的观察、测量与分析实验学时：2实验类型：综合实验要求：必修一、实验目的与要求通过观察、测量与分析，熟悉机械零件失效的主要形式及其产生的原因，熟悉零件测量与鉴定的常用方法。二、实验内容（一）机械零件失效形式的观察与分析；对磨损、变形、腐蚀、破断与老化等各种零件失效形式进行观察与分析。（二）零件的测量与鉴定。1、发动机气缸的测量与鉴定；2、发动机曲轴的测量与鉴定。三、实验仪器、工具与材料（一）实验仪器与工具：连杆检验校正器、放大镜（放大 5~10 倍），检验平板，V 形块，磁性表架及内径百分表、外径千分尺等。（二）实验材料：发动机曲轴、连杆、活塞、气缸套、凸轮轴、轴承、油泵柱塞、油嘴及出油阀等。四、实验方法与步骤（一）观察与分析零件的各种失效形式；用放大镜对磨损、变形、腐蚀、破断与老化等各种零件失效形式进行观察，注意其形态特点、损坏的严重程度和可能的进展趋势。分析其产生的原因、造成的危害以及可能的防治措施。（二）发动机气缸套、曲轴的测量与鉴定。1、发动机气缸套测量与鉴定1）清除零件表面污迹，目测气缸的整体形态，注意其功能表面状况有无异常和严重损伤；2）用手...