数控技术应用专业英语LS1-1

《数控技术应用专业英语LS1-1》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、学习情境1LSICNCLatheMachining班级学习任务1Task1BasicKnowledgeofCNCLathe学时Knowledgeobjects1.ToreadandlearnthebasicknowledgeofCNClathe.2.Graspthemethodofreadingelectricalcontrolsystemdiagram.3.Grasptheworkingprincipleofhydrauliccontrolofchuck/tailstock4.Masterthegrammaticalstructures・Abilityobjects

2、1■HelpthestudentstolearnsomephrasalverbsandfunctionalitemsabouttheCNClatheandtrytousethem.2.Strengthentheirabilitiesofreading.3.Improvetheabilityofgettingspecificinformationfromreadingthetext.4.Improvetheabilityofanalysisandsolvingproblem•5.Haveteamspritandresponsibility.TeachingMethods

3、Speaking;Discussing;Pair-work&group-workTeachingaids:Multi-mediacomputer;PPTTeachingcontentRemarksPartATechnicalReading1.TheGeneralofCNCLatheCNC:ComputerNumericalControl计算机数字控制CNClathesareclassifiedashorizontalandverticalCNClathe.【数控车床分为卧式和立式】horizontal[.hori'zontsl]adj.zlc平的，与地平线平行的，横的

4、vertical['voitikol]adj.垂直的，竖的HorizontalCNClathesareforalongeraxialdimensionorasmalldisktypeworkpiecesturning.VerticalCNClathesareusedtoturnlargediameterdisc-typeworkpieces认知掌握数控车床分类：立式卧式Fig.I-I-1HorizontalCNClathe2.ComponentsoftheCNCLathe数控车床组成98重点掌握数控车床的组成部分此部分结合实际数控机床进行动导向教学法认知液压卡盘认知尾

5、座1-bed（床身）2-headstock（主轴箱）3-threejawchuck（三爪卡盘）4-turret（冋转刀架）5-tailstock（尾座）6-operationpanel（操作面板）7-protectiveshield（防护罩）8-tunetmotor（刀架电机）9-guideway（导轨）3・TheHydraulicControlofChuck/Tailstockhydraulic[hai'dro：lik]adj.液力的，液压的chuck[tjAk]n.（车床等的）夹头，卡盘，夹盘卡盘：Thehydraulicchuckismainlycomposed

6、oftwoparts.Oneisthehydrauliccylinderfixedtotheendofspindle^theotheristhechuckfixedinthefrontofspindle.【液压卡盘主要由固泄在主轴后端的液压缸和固泄在主轴前端的卡盘两部分组成。】Ithassuchfeaturesascompactstructure,motionsensitive,greaterclampingforce,alsoachievestoimproveworkefficiencyandreducelaborintensity.尾座：Runningsmooth

7、lyandspeedadjustablearethefeaturesofthehydraulictailstockwhichusuallyhasforward,backwardandstopfunctions.【液压尾座通常运行平稳，速度可调，具有前进、后退、停止功能】Fig.I-1-4HydraulicchuckFig.1-1-5Hydraulictailstock4.TheElectricalControlofCNCLathe电器元件：TheelectricalcomponentsofCNClatheincludesrelay,transfers