单轴数控回转工作台.doc

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单轴数控回转工作台,摘要数控机床的圆周进给由回转工作台完成,回转工作台可以与x、y、z三个坐标轴联动,从而加工出各种球、圆弧曲面等。回转工作台可以实现精确的自动分度,扩大了数控机床加工范围。目前,数控回转工作台主要用于数控镗床和铣床。随着生产力水平的发展,数控技术越来越广泛的应用于各个领域。数控机车是数控技术最普遍的应用。数控回转工作台是...
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摘 要
数控机床的圆周进给由回转工作台完成,回转工作台可以与X、Y、Z三个坐标轴联动,从而加工出各种球、圆弧曲面等。回转工作台可以实现精确的自动分度,扩大了数控机床加工范围。目前,数控回转工作台主要用于数控镗床和铣床。随着生产力水平的发展,数控技术越来越广泛的应用于各个领域。数控机车是数控技术最普遍的应用。数控回转工作台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。随着数控技术的应用越来越广泛,数控回转工作台的应用已成为历史的必然。
本次毕业设计的题目是数控回转工作台设计。通过对数控回转工作台的设计,让我在步入社会之前,不仅能够设计出数控回转工作台,而且能够掌握机械设计的方法和步骤。本课题研究的主要内容包括:确定数控回转工作台的传动方案;驱动力计算及其他相关计算;零件设计与校核;零件图的绘制与三维模型建立;绘制装配图及运动仿真。
对于数控回转工作台的设计,首先,进行总体方案设计,传动方案采用齿轮传动和蜗杆传动;然后进行各零件的设计与校核,蜗杆与轴采用整体式结构;蜗轮与工作台采用螺钉连接;工作台的平衡通过止推轴承来保证;箱体由支座、箱盖组成,最后,对各零件进行装配。

关键字:数控回转工作台;齿轮传动;蜗轮蜗杆传动;间隙消除。

Abstract
The numerical control machine went to turn round by the complete, rotary worktable can and X, Y, Z three linkage of coordinate transformation, and processing of all kinds of the ball, arc surface. Rotary worktable can achieve precise automatic dividing, expanded numerical control machine processing range. At present, nc rotary table boring and milling machine is mainly used for numerical control. Along with the development of productivity, the numerical control technology is more and more widely used in various fields. Numerical control engine is the most common numerical control technology application. Nc rotary table is a kind of can realize went round and points to degree movement workbench, it is often used in the horizontal boring machine and machining center, can increase the processing efficiency, and get more process, and it mainly consists of impulsion, gear transmission, worm transmission, the components, and can eliminate and worm gearing up clearance, is a kind of very practical machining tools. With the application of numerical control technology is more and more extensive, nc rotary table application has become the inevitable history.
The graduation design on the topic of nc rotary table design. Through numerical control turning to the stage of the design, let me into the social before, can not only design the nc rotary table, and be able to master the methods and steps of mechanical design. This topic research include: make sure to turn the transmission scheme the numerical control; Driving force calculation and other related calculation; Component design and checking; Component drawing with the 3 d model establishment; The assembly drawing and movement simulation.
Nc rotary table for the design, first of all, in overall scheme design, transmission scheme adopts gear transmission and worm transmission; Then the parts of the design and checking, worm and axis adopt and structure; Worm gear and work table adopts screw connection; The balance of the table by thrust bearing to ensure; By the bearing, the box cover composition, at last, the assembly parts

Keyword:Numerical control rotary table; Gear drive;Worm drive;Gap elimination; The worm gear steps up.
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第一章 数控回转工作台简介•••••̶..