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1、钳工实习教案 一、课题纲要㈠内容⒈钳工的特点和应用⒉划线和划线方法⒊锯割与锯割的基本操作方法⒋錾削与锉削的基本操作方法⒌钻孔和其它加工方法⒍攻丝与套丝⒎刮削与刮削的基本操作方法⒏综合件工艺编制与分析㈡目的与要求⒈了解钳工的特点和应用⒉着重了解钳工的基本操作方法，掌握基本操作枝能，并能正确调整和使用钳工的简单设备、常用工具、工夹量具与安全技术㈢教具⒈挂图：配备钳工基本知识有关挂图⒉实物：钳工工作台、台虎钳、砂轮、台钻、分度头、平台以及钳工常用工具等⒊模型：钻头以及手锤等模型㈣进度及时间安排序号讲解时间示范操作时
2、间学生操作时间1钳工的特点应用20′ 学生熟悉工具10′2划线45′平面划线操作15′立体划线（JZQ250）1H3锯割40′圆棒锯割；平面锯割；薄管锯割20′32mm圆棒锯割3.5H4锉削45′平面锉削；外圆弧锉削15′锉削六角螺母13Handmasonryonthecorneroffice,inprinciple.Staggered,two-storeybrickverticalseamson25mm.Halfabrickusedseparately.(3)infrontofthewall,firsti
3、nstallcounting,countingpolesmarkthebrickthicknessofmortarjointthickness,doorandwindowelements,suchasdeepposition,countingpolesstandonthecorner.Statelevelwhencopyingflat,floorelevationsinleatherbardesignelevationposition.(4)whenbricksfirstalignment,masonrybr
4、icksaccordingtoguidelines.Apartfromhalfabrickwall,anddouble,tobettercontrolthewallflatness.(5)whenbuilt,the"31"masonrymethod,thatis,"anashshovel,brick,kneadandknead"methodofoperation.Verticalrollmethodisused.Verticalseamsofthemortarasfullaspossible,ventilat
5、ionarenotallowed.Brickwallsofhorizontalmortarjointthicknessandverticalmortarjointwidthcontrolinthe8~12mmrange.Horizontalmortarjointmortarfullsizemustbegreaterthan80%.(6)fromcornerorpositioningatbegan,bothinsideandoutsidewallwhilemasonry,aspectwallstaggeredt
6、akereceived;outsidewallcorneratisstrictlyprohibitedleftstraightrub,shouldbefromtwoaaspectswhilemasonry;wallbodytemporarycontinuousatshouldmasonryintoobliqueCha,obliqueChalengthnotshouldislessthanheightof2/3(Generalbyastepscaffoldingheightcontrol);asleftobli
7、queChahasdifficult,exceptwallcorneratandtheseismicfortificationarea,wallbodytemporarycontinuousatnotshouldleftstraightChaoutside,canfromwallsurfaceout200mmmasonryintoyinandYangCha,andalongwallhigheachthreeskinblock(600mm),Atiebarorsteelmesh.Chasiteshouldbed
8、eferredtothejambs.(7)thebrickwallsandcolumnsper50cmsettingφ6thruwallshouldertiebar,halfbrickwallsmustbesetone,andatleastnotlessthan2,extendingintothebrickwallnotlessthan1M.(8)topsurfaceofcontactwiththe
