数控线切割机床运丝装置的设计论文VIP免费

本科毕业论文XX大学数控线切割机床运丝装置的设计本科毕业论文I本科毕业论文目录目录...........................................................................................................................................I前言.........................................................................................................................................11数控电火花线切割加工的基本介绍....................................................................................31.1数控电火花线切割加工.................................................................................................31.1.1电火花线切割起源.................................................................................................31.1.2数控电火花线切割加工原理..................................................................................31.1.3数控电火花线切割正常加工必须具备的条件......................................................41.1.4数控电火花线切割加工的特点..............................................................................51.1.5数控电火花线切割的应用范围..............................................................................51.2数控电火花线切割加工机床的特点.............................................................................61.2.1数控电火花线切割加工机床的分类......................................................................61.2.2数控电火花线切割加工机床的基本组成.............................................................62机床主要参数的确定............................................................................................................92.1机床的主要技术参数....................................................................................................92.2确定储丝筒基本尺寸..................................................................................................102.3传动比的确定..............................................................................................................102.4电动机的选择...............................................................................................................102.5传动装置的运动参数设计...........................................................................................123齿轮副的设计计算..............................................................................................................154轴的设计计算及校核..........................................................................................................234.1第Ⅰ轴的设计及校核...................................................................................................234.2第Ⅱ轴的设计及校核...................................................................................................294.3传动螺纹副的设计及校核...........................................................................................355轴承寿命校核......................................................................................................................475.1第Ⅰ轴上轴承的校荷...................................................................................................475.2第Ⅲ轴轴上轴承的校荷..............................................................................................486键的强度校核.......................................................................................................................