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1、RGDX-4040S数控雕铣机电主轴和主轴托板设计 1摘要调查研究了雕铣机的发展和电主轴对数控机床的发展意义。介绍RGDX-4040S数控雕铣机床的设计过程，包括机床总体方案设计、主传动系统设计和Z向进给传动系统的机械结构设计。在主传动系统设计中，主要分析了3KW主轴安装座的机械机构和电主轴的冷却和润滑的方式。Z向进给传动系统中主要分析了丝杠、导轨的安装，以及相关固定和支承。计算主要有两个方面：对滚珠丝杠和Z轴伺服电机的选择计算和校核。最后，通过模拟编程软件Mastercam,对相关零件进行加工。关键词: 数控雕铣机床，电主轴，滚珠丝杠，直线滚动导轨，Z轴ABSTRACTThe develop
2、ment of the CNC engraving and milling and the meaning of the electric spindle to the NC machine was investigated. The process of design for 4040S CNC engraving and milling machine was introduced, including the design project of the machine, the design of main driving system and the mechanical struct
3、ures of the feeding mechanism of Z axis. In the section of main driving system, the 3KW fastening seat of the electril spindle and the coling and lubrication of the electric spindle was analysised. In the section of the feeding mechansim of Z axis , the assembly of the straight guide-way and the bea
4、ring of the ball screw and so forth was presented.The calculation mainly includes two aspects: choosing and verifying the ball screw and the servo-motor of Z axis. At last, via the simulation programming software Mastercam, the related part was generated.Keywords: CNC engraving and milling machine t
5、ools, Electric spindle, Ball screw, straight guide-way, Z axis目录1 绪论111 数控雕铣机的概述112 数控雕铣机和数控铣床的区别113 数控雕铣机和数控雕刻机的区别214 数控雕铣机的发展与现状2 1.4.1 典型数控雕铣机的介绍32 RGDX-4040S数控模具雕铣机的简介521 RGDX-4040S数控模具雕铣机的工艺范围522 RGDX-4040S数控模具雕铣机的特点523 RGDX-4040S数控模具雕铣机的主要技术参数63 RGDX-4040S数控模具雕铣机布局设计方案731 机床总体布局设计732 设计方案分析84
6、电主轴单元简介941 电主轴概述942 电主轴的基本结构125 电主轴系统设计计算1351 主轴系统的重力计算1752 主轴切削力计算1753 电主轴的冷却与润滑2254 3kW电主轴的安装226 电主轴系统Z向传动进给设计计算226.1 Z向主传动系统的方案设计166.2 Z向进给系统方案设计16621 滚珠丝杠副的选择16622 滚珠丝杠副的选择计算16623 Z向进给伺服电机功率的计算及选择24624 滚珠丝杠的支承结构29625 支撑轴承的选择29626 滚珠丝杠的制动装置30627 Z向伺服电机与进给丝杠的联结结构30628 Z向导轨307 典型零件数控加工程序327.1 MasterCAM简介
