毕业设计（论文）-高精度激光雕刻机机构计及动力学分析（全套图纸）.docxVIP

PAGE \* MERGEFORMAT III本 科 毕 业 设 计高精度激光雕刻机机构设计及动力学分析专业：机械设计制造及其自动化 摘 要激光雕刻加工是现代新兴的一种特种加工方式。激光雕刻机是以数控技术为基础，以激光器为加工媒介的一种特种加工设备。激光加工是一种非接触式的加工方式，有着独特的优势，如避免普通车床的接触式对刀具的磨损等问题。根据雕刻领域近年来的发展情况，激光雕刻产品正向着速度高、精度高、效率高、功能多样的方向发展，因此，研究影响雕刻机精度的因素并进行优化设计具有重大的意义。本研究课题通过查询雕刻机的相关研究论文，介绍了雕刻机的基本形式和执行机构的形式，分析了影响雕刻机精度的因素。根据雕刻机的精度要求，设计了雕刻机的运动机构，并通过机械设计软件进行了机构实体建模、零件装配和运动仿真。通过动力学仿真软件，分析了实体模型在运动过程中的动态变形对精度的影响；根据分析结果，从电机的选型、导轨的选型、装配要求、部件设计等方面提高了雕刻机的精度。本课题采用高精度的丝杆传动，通过导轨设计和螺杆反向间隙调整提高了丝杆传动的精度。关键词：激光雕刻机；导轨；丝杆；建模；仿真全套图纸加153893706 PAGE \* MERGEFORMAT IV PAGE \* MERGEFORMAT IIIAbstract Laser engraving processing is a kind of special processing way of modern emerging, it is the use of numerical control technology as the foundation, the basic principle of laser medium for processing. The laser processing a non-contact processing, has a unique advantage, such as the contact of the ordinary lathe to tool wear, etc. Developed from engraving machine, laser products are high speed, high precision, high efficiency, multi-function direction development, more and more high technology content, therefore, this research has high practical significance and economic significance.This research topic by querying the related research papers of engraving machine, carving machine is introduced the basic form and form of the actuator, the paper analyzes the factors which affected the accuracy of engraving machine. According to the requirements of the engraving machine precision, the design of the engraving machine motion mechanism, and has carried on the entity modeling by mechanical design software, parts assembly and movement simulation. Through the analysis of the dynamics simulation software, the entity model in the influence of movement in the process of dynamic deformation; According to the results of the analysis from the selection of the motor, guide rail type selection, assembly requirements, parts design aspects of improving the precision of engraving machine. This subject adopts high precision le