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数控车床主传动设计说明

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摘要数控车床可以进行车削,可以完成孔、面的加工。相比于其他类型的机床,其在生产中是使用很广的。在这个设计中,针对数控机床的进展和当前中国的一些情况,提出了一系列问题。本文章通过描述我们国家的数控技术总体进展趋势,并且分析了其中存在的一些毛病,经过了深化的讨论,进而得以完成了对 JIFCNC-B 型号的数控车床的主传动系统的设计与其计算的问题。主轴箱组成,是安装在空心主轴上的精密轴承和传动齿轮构成,主轴能够获得任何的速度,用来满足切削的加工要求。目前的进展趋势是通过电气或者是机械设备提供连续可变的速度。变频电机通过皮带传动和齿轮传动将动力传递给主轴。变频电机的调速通常是 3-5 之间,这是难以满足变速围要求的,通过齿轮传动就可以使主轴获得大的变速围。关键词:主轴箱,无级调速,传动系统 AbstractNC lathe can do boring, facing, drilling and Reaming in addition toturning.The use of lathes in the production than the other types of machine tools and more. And compared to other types of machine tools, lathes in the production is the most widely used.In this design , the development and current situation of NC machine in China was introduced and a series of problems were presented .The development trend to NC lathe was discussed.Some countermeasures was presented for the development of NC machine in Chinaand then the headstock of JIFCNC-B NC lathe has been calculatly designed .Headstocks is composed of the hollow spindle which is installed in precision bearings and a series of transmission gears.The spindle can obtain any speedin the speed range to meet the processing requirements of cutting.At present, the development trend is to provide a continuously variablespeed through the electrical or mechanical devices .Variable Frequency Motor conveys the power through belt drive and a set of transmission gears. The speed range of Variable Frequency Motor is usually 3-5 , which is difficult to meet the speed range...

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数控车床主传动设计说明

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