数控技术应用专业英语LS2-1

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1、学习情境2LS2CNCLatheMachining班级学习任务1Task1KnowledgeofCNCMachiningCenter%学时Knowledgeobjects1.ToreadandlearnthebasicknowledgeofCNCMachiningCenter.2.Graspthemethodofreadingpneumaticcontrolsystemdiagram.3.GrasptheworkingprincipleoflubricationsystemofPLC.4.Masterthegrammaticalstructures.A

2、bilityobjects1.HelpthestudentstolearnsomephrasalverbsandfunctionalitemsabouttheCNCmachiningcenterandtrytousethem・2.Strengthentheirabilitiesofreading.3.Improvetheabilityofgettingspecificinformationfromreadingthetext.4.Improvetheabilityofanalysisandsolvingproblem・5.Haveteamspritan

3、dresponsibility・TeachingMethodsSpeaking;Discussing;Pair-work&group-workTeachingaids:Multi-mediacomputer;PPTTeachingcontentRemarksPartATechnicalReading1.TheGeneralofCNCMachiningCenterMachiningcentershavebeendefinedasmultifunctionCNCmachineswithATC(automatictoolchanger)capabilitie

4、sandtoolmagazine.【加工中心是具有自动换刀功能和刀库的多功能数控机床。】Machiningcentersareclassifiedasvertical,horizontalanduniversalmachiningcenter.ForVMC(verticalmachiningcenter),thebestsuitabletypesofworkpieceareflatparts.TheworpiecethatrequiresmachiningtwoormorefacesinasinglesetupismachinedonaHMC(hori

5、zontalmachiningcenter).【卧式加工中心适合加工在一次装夹中有两个或更多表面被加工的零件】Universalmachiningcenterscanmachineallsurfacesofamorecomplexworkpiece.2.ComponentsoftheCNCMachiningCenter认知数控加工中心分类分类：立式和卧式重点掌握数控加工中心的组成部分及各部分功能1・Xaxisservomotor2-manipulator3-CNCbox4-toolmagazine5-headstock6-operationpanel7

6、-drivepowerbox8-table9-saddle10-bedThebed：supportsallthecomponents・Thetable：providesthemachiningcenterwiththeX-axislinearmovement.Thesaddle：providesthemachiningcenterwiththeY-axislinearmovement・Thecolumn:providesthemachiningcenterwiththeZ-axislinearmovement.Theservosystem：provid

7、esfast,accuratemovementandpositioningoftheX,YorZaxis.Thetoolchanger：capableofstoringanumberofpresettools・Machinecontrolunit(MCU):isacomputerusedtostoreandprocesstheCNCprogramsentered・linearmovement线性运动positioning定位3.PneumaticControlforToolChangerofMachiningCenter(1)Thenameandfun

8、ctionsofthemainpneumaticcomponents1-pneumaticFR