小型数控钻床及其控制系统设计
摘 要
随着我国电子制造业和印制电路板（PCB)行业的快速发展给电子制造装备提出越来越高的要求，印制电路板数控钻床向着高速、高精度、高可靠性、智能化、柔性化、集成化的发展趋势越来越明显，目前，高精度高速微孔印制电路板数控钻床是制约和影响我国电子制造业水平和电子信息产业基础配套能力的重要因素，是我国电子制造业与世界先进水平差距体现的重要环节之一。因此，开展高精度高速微孔印制电路板数控钻床关键技术的研究与应用，改善和提高PCB数控钻床的整体性能，对于提高我国电子制造工艺装备水平和电子信息制造业自我配套能力具有重要的现实意义。本文系统的介绍了自行设计与制造的加工印刷电路板微型数控钻床及其控制系统的组成及原理，并对各部分功能进行了分析，特别是MCS-51系列单片机的具体应用及扩展，研究结果具有实用价值.
关键词：印制板数控钻床；MCS-51单片机；步进电机；滚珠丝杠副
Abstract
It is proposed that more and more demands to the electron manufacturing manufacturing industry and PCBs profession. The PCBs numerical controlled drill machine development tendency that faces high speed, high accuracy, high dependability, intelligentization, flexibleization and integrationization is more and more obvious. Currently, high-precision high-speed catalysis PCBs numerical controlled drill machine is constrained and influenced the level of China's electronics manufacturing industry and the electronic information infrastructure capacity is an important element of our electronic manufacturing gap with the world's advanced level of one of the important links. Thus, high-precision high-speed PCBs numerical controlled drill machine research and application of key technologies to improve and enhance the overall performance of PCBs numerical controlled drill machine for electronic manufacturing processes and equipment to improve our level of self-supporting capacity of the manufacturing sector and electronic information will be of practical significance. This paper systematically introduces the composition and principle of a self-design and manufactured miniature NC drill machine and control system used for processing printing circuit board. It analyzes the function of every part, especially for the specific application and expandability of MCS-51 single chip processors. The result possesses value.
Key word: the PCBs numerical controlled drill machine; MCS-51single chip; Step Motor;Ball screw
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