毕业设计--LOM快速成型机的机械传动系统设计

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1、 共 39 页 第 0 页 装 订 线 摘摘 要要 快速成形是制造领域中倍受瞩目的一种新工艺，它以其优良的产品品质、低廉的 制造成本， 以及加速产品进入市场等特色， 日益成为成功制造厂商的竞争优势。 由此， 本论文针对 LOM 快速成型机的机械传动系统结构进行了设计，包括：1、XY 扫描机构； 2、Z 轴升降机构，其中主要包括滚珠丝杠、导轨、联轴器和电机的选型与计算。且 对其中的部分结构进行了改进，使所设计的系统操作简单、方便，功能较完善，成型 精度较高。 整个设计通过对这些传动机构的分析与计算数据， 并通过查阅机械设计手册以及 自己从图书馆借的各种零件选择手册， 选出对整个传动系统设计最合理

2、最简单最优化 的传动机构的型号，并通过 CAD 制图绘出整个传动装置的装配图和各部分零件的图 纸， 通过计算得出这些数据， 使我能够准确的设计出符合要求， 符合规范的传动机构。 关键词：关键词：快速成型机, 传动机构， 快速成型, 结构设计 共 39 页 第 1 页 装 订 线 Abstract Rapid prototyping is a new kind of high-profile in the area of manufacturing technology, with its excellent product quality, lower production costs, an

3、d accelerate the product into the market characteristic, has become a successful manufacturers competitive advantage. Thus, this thesis aimed at LOM rapid prototyping machines of mechanical drive system structure design, including: 1, XY scanning mechanism; 2, Z axis, lifting mechanism, which mainly

4、 include the ball screw, guide rail, the selection and calculation of coupling and motor. And on the part of the structure is improved, make the design of the system operation is simple, convenient, function is relatively perfect, forming precision is higher. The entire design through the analysis o

5、f the transmission mechanism and the calculation data, and by looking at mechanical design manual, as well as from various parts of the library to choose manual, choose the simplest optimization design the most reasonable for the whole transmission system of the transmission mechanism of the model,

6、and through the autocad draw in all parts of the gear assembly drawing and parts drawing, calculated through these data, so that I can accurate design meets the requirements of the transmission system of the conform to the specification. Key words: rapid prototyping machines, transmission mechanism, rapid prototyping, the structure design 共 39 页