文档介绍：数控回转工作台设计
摘要
数控车床今后将向中高挡发展,中档采用普及型数控刀架配套,高档采用动力型刀架,兼有液压刀架、伺服刀架、立式刀架等品种,预计近年来对数控刀架需求量将大大增加。但是数控回转工作台更有发展前途,它是一种可以实现圆周进给和分度运动的工作台,它常被使用于卧式的镗床和加工中心上,可提高加工效率,完成更多的工艺,它主要由原动力、齿轮传动、蜗杆传动、工作台等部分组成,并可进行间隙消除和蜗轮加紧,是一种很实用的加工工具。本课题主要介绍了它的原理和机械结构的设计,并对以上部分运用AUTOCAD做图,最后是对数控回转工作台提出的一点建议。
关键词:数控回转工作台齿轮传动蜗杆传动间隙消除蜗轮加紧
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Abstract
Numerical control there is in the future lathe to in will develop, the middle-grade to adopt popular numerical control knife rest form plete set, adopt the motive force type knife rest top-grandly, have such varieties as knife rest of hydraulic pressure, servo knife rest, vertical knife rest, etc. concurrently, it is estimated that will increase to numerical control knife rest demand greatly in recent years. The development trend of the Numerical control rotary table is: With the development of numerical control lathe, numerical control knife rest begin to change one hundred sheets , electric liquid is it urge and urge direction develop while being servo to make up fast. Some originally design and is it continue electricity to use to four worker location vertical electronic machinery of knife rest mainly- exposed to control system control some designs. And use AUTOCAD to pursue to the above part, have a more ocular knowledge of electronic knife rest. The last proposition has put forward the suggestion and measure to Numerical control rotary table.
Keyword: Numerical control rotary table; Gear drive;Worm drive;Gap elimination; The worm gear steps up.
目录
摘要 - 1 -
Abstract - 2 -
绪论 - 4 -
第一章数控回转工作台的原理与应用 - 5 -
数控回转工作台 - 5 -
设计准则 - 6 -
主要技术参数 - 6 -
本章小结 - 6 -
第二章:数控回转工作台的结构设计 - 7 -
传动方案的确定 - 7 -
齿轮传动的设计 - 8 -
电液脉冲马达的选择及运动参数的计算 - 10 -
蜗轮及蜗杆的选用与校核 - 11 -
蜗杆与蜗轮的主要参数与几何尺寸 - 13 -
轴的校核与计算 - 14 -
弯矩组合图 - 15 -
根据最大危险截面处的扭矩确定最小轴径 - 15 -
齿轮上键的选取与校核 - 16 -
轴承的选用 - 16 -
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