冷速对无铅焊点力学行为的影响
哈尔滨工业大学工学硕士学位论文AbstractThe legislation to ban the use of Pb-based solders will become effective im-mediately,which provide a driving force for enterprises to acceler...
垃圾自动分类处理机—分拣机构设计
Waste automatic sorting machine-sorting mechanism designAbstractWith the trend of garbage more and more,landfills are beginning to lose their power,howto reduce land pollution,recy...
篮球计时器毕业设计
引言1.1设计背景篮球，是现在青少年一个热爱的户外运动。随着经济发展，中国人民物质生活逐渐丰富，对精神生活的追求也在不停提高，都渴望拥有良好的身心健康。人们通过运动来锻炼自身，特别是...
老年人多功能拐杖改良设计
AbstractThis topic takes the function innovation,form innovation and other issues of theelderly intelligent crutches as the starting point,and takes the elderly as the main group o...
孔探技术在飞机发动机上的应用
Application of borescope technology in aircraft enginesABSTRACTAircraft power plant is the foundation of aircraft to take off,so the safety of aircraft enginesis the key to aircraf...
垃圾自动分类处理机——传动系统设计
北京理工大学珠海学院2020届本科生毕业论文Design of automatic garbage sorting processor-transmission systemAbstractWith the continuous improvement of China's development situation,pe...
垃圾清运车机械手结构设计与仿真
湖北大学知行学院毕业本科设计ABSTRACTThe claw robot system of the refuse removal vehicle is the subject of this paper.Theactions of grabbing,retrieving,dragging,turning,tipping and ...
矿泉水自动灌装机程序设计－灌装系统控制设计
Design of mineral water automatic filling machine--control design offilling systemAbstractThis paper mainly introduces the process and simulation of the programmable controllerprog...
螺旋管状面筋机总体及坯片导出装置设计
盐城工学院本料生毕业设计20071前言文明的发展和进步可以说与小麦的历史连在一起。早在有历史记载前，人类就种植小麦。1948年，芝加哥大学的考古学家证明小麦的种植起源于中东土壤肥沃的新月形...
空气压缩机曲轴加工工艺及夹具设计
本科论文5.2.3夹具的作用28H4444285.3粗精车的夹具方案分析295.3.1夹具计算.…295.3.2定位误差计算.305.3.3夹据的设计及操作说明30结论.30参考文献…3致334
