前言本设计书是根据数控加工与编程综合设计的，数控机床已成为国家先进制造技术的基础设备，并关系到国家发展的战略地位，从20世纪中叶数控技术出现以来。数控机床给机械制造带来了革命性的变化...

设计方向：双盘式摩擦离合器二、离合器的结构方案分析汽车离合器有摩擦式、电磁式和液力式三种类型，其中摩擦式的应用最广。盘形摩擦离合器，按其从动盘的数目可分为单片、双片和多片三类：根据...

哈尔滨工业大学工学博士学位论文空间误差，实验验证了补偿的有效性。依据辨识得到的伺服参数，调整系统动态适配时间，机床圆轨迹误差降低了80%。开展了热漂移误差补偿装置在西门子数控系统中的...

AbstractIn China,the demand for corn is very large,and the quality of sowing is animportant factor in the output of corn.The planter in China is mainly driven by amechanical chain,...

AbstractBox belongs to the bracket type parts,is the reducer of theinclusion of the parts of the reducer play an inclusive role.It is a complicated part in the reducer.It is not a ...

Design of central air conditioning system and optimization of airdistribution formAbstractThe design is the hospital inpatient complex building,located in Maoming City,Guangdong Pr...

Hollow blow molding mold design-blank extrusion moldAbstractWith the development of China's industry,the requirements for the mold aregetting higher and higher.The way of plastic f...

北京理工大学珠海学院2020届本科生毕业设计Design and Manufacture of Executive Mechanism of IntelligentAutomatic Cultivation SystemAbstractIntelligent automatic cultivation system is ...

第3章蝶形双芯光子品体光纤偏振分束器特性分析ABSTRACTSulfur compounds have attracted much attention in recent years because of theirproperties,such as lower softening temperature,bet...

ABSTRACTThis paper is to design a 1.5kW,1500r/min,220V,efficiency of 78%self-ventilatedcooling,shunt dc motor.The diameter and length of armature are preliminarilydetermined accord...