基于labview的三维微细铣削加工设备的研制及试验研究硕士学位论文.doc

广东工业大学硕士学位论文（工学硕士）三维微细铣削加工设备的研制及试验研究韩睿聪二○一四年五月分类号：TP23 学校代号：11845UDC： 密级 ： 学 号：2111101096广 东 工 业 大 学 硕 士 学 位 论 文（工学硕士）三维微细铣削加工设备的研制及试验研究韩睿聪指导教师姓名、职称： 郭钟宁（教授） 专业 或 领域 名称： 机械工程 学 生 所 属 学 院： 机电工程学院 论 文 答 辩 日 期： 二零一四年五月 A Dissertation Submitted to Guangdong University of Technology for the Degree of Master of Professional（Master of Engineering）Development and experimental study of three-dimensional micro-milling equipmentCandidate: Han RuicongSupervisor: Prof. Guo ZhongningMay 2014Faculty of Electromechanical EngineeringGuangdong University of TechnologyGuangzhou, Guangdong, P.R.China, 510006摘要I摘要近年来,随着科学技术的不断发展，许多领域如机械工程、生物工程、电工电子、医学以及航空航天等,产品小型化已成为一种必然趋势,而微加工技术则成为加工领域的迫切需求。

微细加工领域方法可谓多种多样，每种加工方法各有优劣，而在众多加工方法中，微细铣削加工技术因具有加工材料的多样性和能实现三维曲面加工的独特优势，并以其加工精度高、成形能力强的优点在微加工制造领域受到越来越广泛的关注微细铣削加工作为微细加工领域中的一项重要制造技术，成为研究的热点本论文主要负责设计开发一套微细铣削加工设备，包括硬件设备的选择和软件系统的设计，以及通过自行开发的设备对微铣削加工中相关加工参数对粗糙度和毛刺的影响进行了试验研究主要研究工作为：根据微细铣削对加工精度的需求，选取具有超高定位精度的三轴精密微动平台，并完成该平台的连线和调试工作该平台 XYZ 方向运动轴均采用伺服电机驱动滚珠丝杠，因此具有超高精度并可实现反馈控制铣削刀具采用日本 NSK 电主轴驱动，转速为 5000r/min-80000r/min，该电主轴采用调油脂润滑和气动冷却的方式依据微铣削机床的加工需求，设计了基于 PC 机+运动控制卡的整体控制方案，利用与微动平台配套的运动控制卡，通过调用该运动控制卡提供的动态链接库 DLL 实现对微动平台实时、精确的控制这是运动控制领域常用的一种二次开发的方式，这种开发方式具有效率高和灵活性强的优点。

基于 Labview 编程语言在运动控制领域的独特优势，设计了基于 Labview 的三维微细铣削加工控制系统，该系统主要包括初始化模块、定位对刀模块、G 代码加工模块、实时显示模块和限位控制模块该软件系统能够满足微铣削加工所需的全部主要功能，如精确对刀过程中的匀速微进给，如按照 G 代码语句自动进行微铣加工，如实时显示加工过程中轴的坐标和加工轨迹等通过设计的系统进行了微细铣削正交试验，研究了刀具半径、刀具转速、进给量对铣削加工粗糙度和毛刺的影响，并进行了微细二维、三维结构的加工试验，验证了系统功能的实用性和完整性关键词：精密装备；运动控制；Labview；微铣削试验广东工业大学硕士学位论文IIABSTRACTIn recent years, with the continuous development of science and technology, product miniaturization has become an inevitable trend in many fields such as mechanical engineering, biological engineering, electronics, medical science and aerospace, etc., and micro machining technology is urgently demanded in processing field. There is a variety of processing methods in micro machining field, with each having its advantages and disadvantages. While, among these processing methods, micro milling technology gets more and more attention in the field of micro manufacturing because of its unique advantages of the processing ability of diversified materials and the realization of three-dimensional surface machining, and also its high machining precision and strong formability. As an important manufacturing technology in micro machining field, micro milling has become a research hotspot. This paper is primarily responsible for the design and development of a set of micro milling processing equipment, and includes the selection of hardware devices and design of software systems, as well as, through this self-developed equipment, conducts an experimental study of the impacts of related machining parameters in micro milling on roughness and burrs.The study mainly involves the following aspects:(1) According to micro milling’s demand for machining precision, selectsa triaxial micro-positioning platform with ultra-high positioning accuracy, and completes the connection and debugging of the platform. All XYZ axes of motion of this platform adopt servo motor to drive ball screw, and thus have ultra-high precision and can realize feedback control. Milling cutter adopts Japan NSK motorized spindle drive, with an adjustable speed of 5000r/min ~ 80000r/min and with the method of grease lubricating and air cooling.(2) Based on the processing demands of micro milling machine tool, designs an overall control solutions on the basis of PC-machine + motion control card, and makes use of the motion control card which matches the micro-positioning platform. By calling the dynamic linking library DLL which is provided by the motion control card, realizes a real-time and AbstractIIIprecise control of the micro-positioning platform. It is commonly used as a secondary development of motion control mode,which approach with high efficiency and flexibility advantages.(3) With the unique advantage of Labview programming language in the field of motion control, designs a three-dimensional micro milling control system on the basis of Labview, this system mainly includes initialization module, positioning and tool setting module, G code processing module, real-time display module and limit control module. This software system can meet the main demand of micro milling,such as micro uniform feed during precise tool setting and automatic micro milling in accordance with G code statements and real-time display of coordinate and track of axis during the machining process.(4) Conducts a micro milling orthogonal experiment through the designed system, studies the impacts of tool radius, tool speed and feed on milling’s roughness and burrs, carries out processing experiments of。