一、前言随着半导体技术的发展,大规模集成电路的出现使电子计算机微型化得以实现。微型计算机的诞生,使计算机除了科研、国防、生产等部门应用外,还大量地用于日常生活中,且需求量与日俱增。为了大批量生产,降低成本,提高质量,对印刷电路板提出了很高的要求,孔距少、孔的直径小、孔距要求很准确等等。这是用落后的小台钻用人工钻孔根本不能达到的。而且这种落后的生产方式,劳动强度大,印刷板的粉末对人体的健康不利,工人的眼睛容易受到损害。因而迫切需要一种能自动钻孔的钻床代替小台 I. Introduction With the development of semiconductor technology, the advent of large-scale integrated circuits has enabled the miniaturization of electronic computers. The birth of microcomputers, the computer in addition to scientific research, defense, production and other departments, but also widely used in daily life, and the growing demand. In order to mass production, reduce costs and improve quality, made of printed circuit board put forward high requirements, small hole spacing, small hole diameter, hole spacing requirements are accurate and so on. This is a small drill with a backward drilling with artificial drilling simply can not be achieved. And this backward production methods, labor-intensive, printing plate powder on the health of the population negative, workers’ eyes vulnerable to damage. There is an urgent need for a drilling machine that can drill holes instead of a small table