课件FDM成形原理中英美化

3D打印与创客3DPrintingandCreator主讲人：易杰Speaker:JieYiFDM成型原理FDMmoldingprinciple课程导入Courseintroduction什么是FDMWhatisFDMFDM的成型原理是什么WhatisthemoldingprincipleofFDMFDM的定义DefinitionofFDM熔融沉积制造，又称熔丝沉积ScottCrump博士挤出成细丝状Extrudedintofilaments数控系统控制CNCsystemcontrol热塑性材料加热熔化Heatingandmeltingofthermoplasticmaterials喷嘴Nozzle丝状材料冷却粘结形成一层层薄层的截面Thefilamentousmaterialiscooledandbondedtoformthinlayersofsection切片软件规划好的连续薄层数据+路径移动进行填充Continuousthinlayerdata+pathmovementplannedbytheslicingsoftwareforfilling层层叠加形成三维实体Layerbylayertoformathree-dimensionalsolidFDM的定义DefinitionofFDM成形材料：线材（采用塑料粉末加热经喷嘴挤出成形的）Moldingmaterial:wire(extrudedbyplasticpowderheatingthroughnozzle)要求：熔融温度低、黏度低、黏性好和收缩率小等Requirements:lowmeltingtemperature,lowviscosity,goodviscosityandlowshrinkage,etc.FDM的定义DefinitionofFDM铸造石蜡Castingparaffin尼龙NylonABS塑料ABSplasticPLA塑料PLAplastic低熔点金属Lowmeltingpointmetals\陶瓷CeramicsFDM的技术FDMtechnology产品外观的评估Evaluationofproductappearance方案的选择Optionofplans用户看样订货Sampleseeingandorderbyusers装配的检查Inspectionofassembly功能的测试Testoffunctions塑料件开模前校验设计Verificationdesignofplasticpartsbeforemoldopening小批量产品的制造ManufacturingofsmallbatchproductsFDM的成型原理FDMmoldingprinciple计算机控制加热喷头做X-Y平面运动Computer-controlledheatingnozzletodoX-Yplanemovement丝状材料送至热熔喷头，加热熔化成半液态Thefilamentarymaterialissenttothehot-meltnozzleandheatedtomeltintoasemiliquidstate材料被挤压出来，有选择性的涂覆在工作台上，快速冷却成型Thematerialisextruded,selectivelycoatedontheworkingtable,andrapidlycooledtoform工作台下降一定高度，继续下一层成型ThetableisloweredbyacertainheightandthenextlayerisformedFDM课程小结Coursesummary知识目标Knowledgeobjectives学习定义与成型原理Learndefinitionandmoldingprinciple走进3D打印的世界，树理想，立目标，追逐科学技术发展Entertheworldof3Dprinting,setidealandgoal,pursuethedevelopmentofscienceandtechnology技能目标Skillobjectives识别设备的能力Abilitytoidentifyequipment清楚成型原理Clearmoldingprinciple思政目标Ideologicalandpoliticalobjectives思考题Thinkingquestion3D