3D打印技术中分层与路径规划算法的研究及实现

分类号：TH701密级：UDC：编号：15-080200-28M河北工业大学硕士学位论文3D打印技术中分层与路径规划算法的研究及实现论文作者：王腾飞学生类别：全日制学科门类：工学硕士学科专业：机械工程指导教师：曲云霞职称：教授朱东彬副教授DissertationSubmittedtoHebeiUniversityofTechnologyforTheMasterDegreeofMechanicalEngineeringTHERESEARCHANDIMPLEMENTOFSLICINGANDPATHPLANNINGALGORITHMIN3DPRINTINGTECHNOLOGYbyWangTengfeiSupervisor:Prof.QuYunxiaA.Prof.ZhuDongbinApril2015I摘要随着社会的不断进步，3D打印技术的发展越来越迅猛，并且逐渐的深入的人心，应用到了各行各业。它是世界制造领域的重大科技成果，逐渐影响并改变着人们生产制造的方式方法，给制造领域带来了翻天覆地的变化。本文主要针对于3D打印技术的灵魂技术——数据处理技术做了深入的研究，快速有效的数据处理能够高效的提高成形件的精度和强度，以及设备的制造效率。本文的主要工作重点为：1.采用VisualC++为编程语言，以OpenGL为图形开发工具，开发了针对于STL文件的可视化系统，该系统能够实现STL文件的读取，显示，平移，旋转等操作。2.针对当前的基于STL文件的3D软件的分层问题，采用了基于三角形面片位置信息的分层算法，根据STL文件的三角形面片顶点坐标的大小对三角形面片进行排序操作，通过编程实现分层处理，并且做出展示。3.针对当前3D打印软件处理的扫描路径规划问题进行了细致的研究，提出基于等距偏移算法的路径规划方法，在轮廓偏置算法的基础上，采用等距离轮廓偏置，并且输出采用常用的CLI文件格式，同样通过编程实现扫描路径的规划并且做出展示。4.本文对软件处理部分进行处理研究的同时，对当今医学领域内义齿的制造做了考虑，因此最后为了验证此数据处理部分的可行性，对义齿进行了制造实验和展示。在3D打印技术风靡全球的今天，对其数据处理部分的研究是非常必要，实现快速，高效制造是当今时代对3D打印的期待。关键字：3D打印，数据处理，STL文件，分层，路径规划，CLI文件，义齿IIABSTRACTWiththedevelopmentofsociety,3Dprintingtechnologydevelopsrapidly,andgraduallyappliedtoallwalksoflife.Itisanimportantscientificandtechnologicalachievementinthefieldofworldmanufacturing,andalsogradualinfluencingandchangingthewaysofproduction,whichhasbroughtgreatchangestothemanufacturingfield.Thisdissertationmainlyforthesoul--thedataprocessingtechnologyof3Dprintingtechnology.Fastandeffectivedataprocessingisabletoimprovetheaccuracyandstrengthofmachineparts,andalsocanimprovethemanufacturingandformingefficiency.Themainworkofthedissertationis:1UsingVisualC++andOpenGLgraphicstoolstodevelopethevisualizationofSTLfilesystem,thissystemcanrealizetheSTLfileread,display,translation,rotationandotheroperations.2Becauseoftheproblemofslicingin3Dsoftware,Ichoosetheslicingalgorithmbasedonthelocationinformationofthetriangularfacets.Itisaccordingtothetrianglevertexcoordinatesoftriangularfacetstosort,andmakethepictureshowbyprogramming.3Accordingtothescanningpathplanningproblemofthecurrent3Dprintingsoftware,Thedissertationproposeaadvancedpathplanningmethodcalledequidistantoffsetalgorithm,whichisbasedoncontouroffsetalgorithm,andtheoutputistheCLIfileformat,andmakethepictureshowbyprogramming..4Atthesametime,thedissertationalsoconsiderthemanufactureofthedentureinthemedicalworld,Inordertoverifythefeasibilityofthedataprocessingpart,thedissertationmakethedenturemanufacturingexperimentandshowtheresult.Asthedaygoeson,3Dprintingtechnologyhasswepttheworld.Itisnecessarytodeveloptheresearchonthedataprocessingpart,whichisaimtoachieverapidandefficientmanufacturing.KEYWORDS:3Dprinting,dataprocessing,STLfile,slice,pathplanning,dentureIII目录第一章绪论..............................................................................................................................................11.1引言.....................................................................................................................................................11.23D打印技术概述.............................................................................................................................11.2.13D打印技术原理................................................................................................................21.2.23D打印技术的种类............................................................................................................31.3国内外研究现状..............................................................................................................................71.4论文的主要结构..............................................................................................................................9第二章STL文件模型的可视化.........................................................................................................112.1引言...................................................................................................................................................112.2STL文件的简介.............................................................................................................................112.2.1STL数据文件格式介绍...................................................................................................112.2.2STL文件存在的问题.......................................................................................................142.2.3开发工具OpenGL的简介...............................................................................................152.3STL文件的读取.............................................................................................................................172.4STL文件模型的变换....................................................................................................................202.5本章小结..........................................................................................................................................23第三章3D打印技术中分层算法的研究........................................................................................253.1引言...............................................................................................................................