目录第一章绪论…21.1课题研究背景意义…21.2课题有关的国内外研究现状，.31.3课题研究内容及结构安排41.4本章小结..5第二章总体方案设计52.1功能设计….52.2结构设计..2.3控制系统选择.62.4本...

C616型普通车床改造为经济型数控车床序言毕业设计课题：C616型普通车床改造为经济型数控车床课题简介：本课题是围绕将普通机床改造成经济型数控机床展开设计的，经济型数控机床是指价格低廉、操...

哈尔滨工业大学工学硕士学位论文AbstractIt is abundance in water resource in our homeland.Water turbine that is a energyconversion device of water resource,is mainly include two styl...

Research on the new anti icing technology of aircraftABSTRACTWith the continuous progress and renewal of the times,the status of aircraft in people'sdaily life continues to improve...

北京理工大学珠海学院2020届本科生毕业设计或论文AbstractAs the world's largest fruit production country,China's fruit industry has been facinggreat challenges in fruit sorting.In ord...

6.4.8作当量弯矩图（弯矩、扭矩合成图）l36.5校核轴的强度137钉齿条的设计147.1钉齿条的总体结构设计.147.2钉齿条及钉齿的设计.。.147.3钉齿的设计…157.4圆盘的设计…158栅格式凹板的设计169入...

本科论文5设备的维护使用.…33结论.35参考文献.36致谢38

AbstractWith the continuous development and progress of science and technology,more and more robots enter our production and life.This is because theemergence of various motors,suc...

Material Sorting System Based on ImageRecognition-Design and Control of ManipulatorAbstractIn the 21st century,science and technology is highly developed.In order to adaptto the tr...

AbstractComprehensive literatures at home and abroad,to the present situation ofhydraulic elevator and benefit the garage and application prospect were brieflysummarized,and based ...