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连杆端孔轴线平行度自动检测仪的设计
学生:
指导老师:
摘要:连杆是发动机的主要传力构件之一,常处于高速运动状态,因此要求与其它零件间具有较高的配合精度。因而连杆检测成了生产中频繁而又不可缺少的环节。连杆平行度测量仪是专门为检测汽车连杆而设计的专用测量工具,其结构简单、测量精度高。连杆两端孔的平行度的要求比较高,如果平行度差,就会使发动机的噪音大,耗油量大,摩擦大,磨损快,这就要求工件必须有很高的平行度。本设计是由机械系统设计和控制系统的设计所组成。包括齿轮传动的设计及选择,滚珠丝杠的设计及选择,步进电机的选择和装置中机械系统的设计,有关测试系统的控制设计及选择。本文主要的设计内容是机械的部分。
关键词: 连杆; 平行度; 检测
The Design of The Connecting Rod Hole Parallel to The Axis of Automatic Detector
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Tutor:
(Oriental Science &Technology College of Hunan Agricultural University, Changsha 410128)
Abstract:The connecting rod is one of main power ponents of motor engine which is always moving
in high speed. Therefore, it requests a highly connection with ponents. Thus the connecting rod has e a frequent and indispensable part of the production. The connecting rod parallelism measuring instrument is specially designed for measuring automobile connecting rod , which has a simple structure and a high measuring accuracy. The center line parallelism of the car’s link bar has a high request. If the center line parallelism is not good, the auto engine will have a loud noise, big waste of oil, big friction and fast wear away. So it requests the work piece have a high center line parallelism. This design posed by the mechanical system design and the control system design, including the design and selection of the gear drive and t