液压故障缺陷分析及维修解决高级实务（上海，9月25-26日）
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液压故障缺陷分析及维修解决高级实务（上海，9</SPAN>月25-26</SPAN>日）</SPAN></SPAN> 【培训日期】</SPAN>2009</SPAN>年9</SPAN>月25-26</SPAN>日</SPAN></SPAN> 【培训地点】</SPAN>上海</SPAN></SPAN> 【培训对象】</SPAN>主管设备和生产的企业管理人员；设备维护维修工作的液压、机械工程师；设备管理工程师，设备点检工程师；设备检测诊断工程师；液压设备使用和维修技师或技术骨干；设备维修、油品采购相关业务人员</SPAN></SPAN> </SPAN> 【课程背景】</SPAN></SPAN> 随着我国经济的快速发展， 液压技术已广泛应用于我国各个领域。由于液压维修技术专业实用型人才匮乏，大多数工作者仅凭经验处理，盲目调机，对一些问题缺乏科学系统地分析、有效诊断和排除液压系统故障。液压气动是一门知识面广、技术性强的专业，仅凭经验是不够的，“现代液压技术高级研修班“是专为学习解决各种液压缺陷和异常问题处理方法、提高分析问题/</SPAN>处理问题能力的液压技术/</SPAN>管理人员而开设，以期学员能够掌握现代液压系统维修的基础知识，并学会典型液压设备系统故障诊断、检测和维修等方面的技能。</SPAN></SPAN> </SPAN> 【课程大纲】</SPAN></SPAN> 课程大纲：</SPAN></SPAN> 一、比例阀及元器件技术</SPAN></SPAN> </SPAN> </SPAN></SPAN>■比例电磁铁</SPAN></SPAN> </SPAN> </SPAN></SPAN>■比例方向阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■比例压力阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■比例流量阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■比例阀的安装、调试和维护</SPAN></SPAN> </SPAN> 二、利用压力补偿器实现负载压力补偿</SPAN></SPAN> </SPAN> </SPAN></SPAN>■二通进口的压力补偿器的负载压力补偿</SPAN></SPAN> </SPAN> </SPAN></SPAN>■FD</SPAN>型单向截止调速阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■系统补充说明</SPAN></SPAN> </SPAN> </SPAN></SPAN>■出口压力补偿器的负载压力补偿</SPAN></SPAN> </SPAN> </SPAN></SPAN>■工程项目设计原则</SPAN></SPAN> </SPAN> </SPAN></SPAN>■溢流型三通压力补偿器</SPAN></SPAN> </SPAN> </SPAN></SPAN>■二通插装阀的负载压力补偿</SPAN></SPAN> </SPAN> 三、比例阀的用电控制器</SPAN></SPAN> </SPAN> </SPAN></SPAN>■比例阀用比例放大器</SPAN></SPAN> </SPAN> </SPAN></SPAN>■不带电反馈的比例放大器</SPAN></SPAN> </SPAN> </SPAN></SPAN>■闭环位置控制的比例放大器</SPAN></SPAN> </SPAN> </SPAN></SPAN>■电控模组</SPAN></SPAN> </SPAN> 四、比例阀开环控制系统的设计准则</SPAN></SPAN> </SPAN> </SPAN></SPAN>■质量、负载和作用力</SPAN></SPAN> </SPAN> </SPAN></SPAN>■符号与单位</SPAN></SPAN> </SPAN> </SPAN></SPAN>■加速、位移和减速</SPAN></SPAN> </SPAN> </SPAN></SPAN>■等速段到加减速段期间节流阀口的压力关系</SPAN></SPAN> </SPAN> </SPAN></SPAN>■四通节流阀口的压差计算</SPAN></SPAN> </SPAN> </SPAN></SPAN>■一定减速时间下减速行程的位置精度</SPAN></SPAN> </SPAN> </SPAN></SPAN>■管道系统的油液黏度改变引起的速度变化</SPAN></SPAN> </SPAN> </SPAN></SPAN>■四通比例阀控系统中油缸和液压马达的参数计算</SPAN></SPAN> </SPAN> </SPAN></SPAN>■液压系统固有的频率的计算和作用</SPAN></SPAN> </SPAN> 五、伺服阀及其元器件技术</SPAN></SPAN> </SPAN> </SPAN></SPAN>■液压传动图形符号及元件工作原理</SPAN></SPAN> </SPAN> </SPAN></SPAN>■力矩马达</SPAN></SPAN> </SPAN> </SPAN></SPAN>■一级阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■技术数据和运行曲线</SPAN></SPAN> </SPAN> </SPAN></SPAN>■单级控制阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■多级控制阀</SPAN></SPAN> </SPAN> </SPAN></SPAN>■技术数据和运行曲线伺服阀的安装、使用和维护</SPAN></SPAN> </SPAN> 六、闭环系统的控制</SPAN></SPAN> </SPAN> </SPAN></SPAN>■从开环到闭环控制</SPAN></SPAN> </SPAN> </SPAN></SPAN>■闭环控制</SPAN></SPAN> </SPAN> </SPAN></SPAN>■基本传递环节汇总</SPAN></SPAN> </SPAN> </SPAN></SPAN>■闭环控制原理</SPAN></SPAN> </SPAN> </SPAN></SPAN>■实现闭环控制的设备构成</SPAN></SPAN> </SPAN> </SPAN></SPAN>■实际值的测量</SPAN></SPAN> </SPAN> 七、伺服阀动态特性对控制回路的影响</SPAN></SPAN> </SPAN> </SPAN></SPAN>■闭环位置控制回路</SPAN></SPAN> </SPAN> </SPAN></SPAN> |