PBC数控四轴钻铣床的设计 (本科毕业设计).doc

摘 要 PCB数控四轴钻铣床是一种机电一体化的产品，是专用于PCB加工的四轴三联动数控机床。 本机床采用先进的直线滚动轨迹、高精度滚珠丝杆和交流伺服电机；涉及微电子、计算机、自动控制、精密机械、图像处理等多种技术,综合性强，知识、技术、资金密度高，适用于高精度PCB的成形加工。 本文对PCB机床的整机系统结构、伺服进给机构、工作装置、机电匹配进行了讨论和分析，特别是对整机系统结构和伺服进给机构进行了详细的设计，主要包括机床动力参数、整机的结构布置、伺服系统的选择以及滚珠丝杆、滚动导轨、联轴器、滚动轴承、交流伺服电机、高速电主轴等关键零部件的选择和设计。 关键词： 数控机床，印刷电路板，伺服系统，机电匹配 Abstract: The PCB number controls four stalks to drill the product that the miller is a kind of machine electricity integral whole to turn, is four stalks that the appropriation processes at the PCB three allied move a number to control tool machine. The track, high accuracy of straightly roll over of the this tool machine adoption forerunner rolls bead silk a pole and communicate servo electrical engineering;Involve a micro-electronics, calculator, automatic control, the precise machine, picture processing...etc. be various techniques and synthesize sex strong, knowledge, technique, funds density Gao, be applicable to take shape of high accuracy PCB to process. This text to the whole machine system structure of the PCB tool machine, servo enter to equip to the organization, work, the machine electricity matched to carry on discussion and analyze, especially to the whole machine system structure and servo entered to carry on a detailed design for organization, mainly include the structure decoration, servo system of tool machine motive parameter, the whole machine of choice and roll a bead silk pole, roll over to lead a track, unite a stalk machine, roll over bearings and communicate servo electrical engineering, high speed electricity principal axis etc. key the choice and design of zero partses. Keyword: The number controls tool machine, PC board, servo system, the machine electricity match 绪 论 本毕业设计课题就是关于PCB四轴数控加工机床的设计，机械加工前沿先进技术在PCB行业取得了广泛应用。 数控钻床和数控铣床是线路板加工中的一种重要设备，该设备价格昂贵，选用数控机床不但对于操作、工艺设定和维护包括对于生产产品的质量都十分重要。 本设计的目的在于通过毕业设计，了解PCB四轴数控加工机床总体方法，结构分析和结构布置，明白设计方法和思路，为以后进一步的工作打下基础。通过设计加深对基础知识的理解，并学会理论知识的实际应用，并在原有的基础上有所改进和创新突破。 在论文中一共分为三部分： 1 机床总体设计 主要对机床