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当前位置:首页 > 机械/制造/汽车 > 机械/模具设计 > 机械制图零件图、装配图题库(有难度)
为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)-------------------------------------密-----------------------封-----------------------线---------------------------------班级___________考场__________姓名______________学号_________徐工技校2011至2012学年度第二学期《机械制图》期终考试试题库(零件图、装配图)题号一二三四五六总分得分阅卷一、填空题(每空1分)第九章零件图1.主视图的投影方向应该能够反映零件的。(难度:A)2.和公差简称为形位公差(难度:A)3.尺寸公差带是由和两个要素组成。确定公差带位置,确定公差带大小。(难度:A)4.配合有和两种基准制。配合分成间隙配合、和三类。(难度:A)5.允许尺寸变动的两个称为极限尺寸。(难度:A)6.极限与配合在零件图上的标注,其中一种形式是在孔或轴的基本尺寸后面注出基本偏差代号和公差等级,这种形式用于的零件图上。第二种形式是在孔或轴的基本尺寸后面,注出偏差值,这种形式用于的零件图上。第三种是在孔或轴的基本尺寸后面,既注出基本偏差代号和公差等级,又同时注出上、下偏差数值,这种形式用于的零件图上。(难度:B)7.形位公差的框格用线绘制,分成格或多格。(难度:A)8.按作用不同,可将基准分为基准和基准。(难度:A)9.基孔制的孔(基准孔)的基本偏差代号用符号表示,其基本偏差值为。基轴制的轴(基准轴)的基本偏差代号用符号表示,其基本偏差值为。(难度:A)10.基本偏差是决定公差带相对零线位置的。(难度:A)11.外螺纹的规定画法是:大径用表示;小径用表示;终止线用表示。(难度:A)12.当被连接零件之一较厚,不允许被钻成通孔时,可采用连接。(难度:A)13.剖切平面通过轴和键的轴线或对称面,轴和键均按形式画出,键的顶面和轮毂键槽的底面有间隙,应画条线。(难度:A)14.Tr40×14(P7)LH-8e-L的含义_____________________________________________(难度:B)15.模数大,齿距,齿厚、齿高也随之,因而齿轮的承载能力。(难度:B)16.螺纹的旋向有和两种,工程上常用螺纹。(难度:B)17.单个圆柱齿轮的剖视图中,当剖切平面通过齿轮的轴线时,轮齿一律按绘制,齿根线画成线。(难度:B)18.普通平键有、和三种结构类型。(难度:B)19.左旋螺纹要注写。(难度:A)20.普通平键的标记:键GB/T109618×11×100表示b=mm,h=mm,L=mm的A型普通平键(A省略不注)。(难度:B)第十章装配图1.在装配图中,当剖切平面通过某些标准产品的组合件,或该组合件已由其他图形表达清楚时,可只画出。(难度:A)2.装配图中的明细栏画在装配图右下角标题栏的方,栏内分格线为线,左边外框线为线。(难度:A)3.两个零件的接触表面,只用条共有的轮廓线表示;非接触面画条轮廓线。(难度:A)4.装配图中的,用来表达机器(或部件)的工作原理、装配关系和结构特点。(难度:A)5.在装配图中尺寸表示机器、部件规格或性能的尺寸。(难度:A)6.在各视图中,同一零件的剖面线方向与间隔必须。(难度:A)7.装配图中的指引线应自所指引部分的可见轮廓内引出,并在指引线末端画一。若所指部分不便于画圆点时,可在指引线末端画,并指向该部分的轮廓线。(难度:A)8.一张完整的装配图包括以下几项基本内容:、、和标题栏、零件序号、明细栏。(难度:A)9.装配图中零件序号应自下而上,如标题栏上方位置不够时,可将明细栏顺序画在标题栏的为搞好山东省交通科学研究所研发基地项目的结算审计工作,我跟踪审计部特针对本项目作如下要求,请各施工单位、供货单位遵照执行:andperformancetestcopiesoftherecord.Ifnecessary,reviewshouldbecarriedout;4)forspringhangers(includedsimplespring,hangersandconstantsupporthangers)itshouldalsoberecognizedassettingandlockingofloads.5)checkthesurfacequality,foldedlayeringandwithoutcracks,rustandotherdefects.5)aftercompletionofthetestandcontroldrawingnumberonebyone,byseriesbaled.Coloralloysteelparts,thepartsmarkinginstallationlocationandrotationaboutthedirectionyouwant.7.3.14.hangersinstallation7.3.14.1hangerlayouta.acleardesignofhangershouldbeinstalledstrictlyinaccordancewiththedrawingsanddesignsshallnotbeinstalledwrong,missing,etc.B.ownarrangementofpipingsupportandhangersetandselectionshouldbebasedoncomprehensiveanalysisofgenerallayoutofpipingsystems;coldinstallationofsteampipewithparticularattentionreservedforcompensationofthermalexpansiondisplacementandorientation.C.supportsystemsshouldberationaltowithstandpipeloads,staticloadandincidentalload;reasonablepipingdisplacement;guaranteedundervariousconditions,stressarewithintheallowedrange.Strength,stiffness,andmeetrequirementstopreventvibrationandsoothingwater,withoutaffectingtheadjacentequipmentmaintenanceandotherpipinginstallationandexpansion.D.equipmentconnectedtotheinterfacetomeetpipelinethrust(torque)limitrequirements;increasethestabilityofpipingsystemstopreventpipeline...Tubewallthickness(mm)2-34-67-10weldformnoslopemouthweldstrengtheningheighth(mm)1-1.51.5-2weldwidthb(mm)5-67-6hasslopemouthweldstrengtheningheighth(mm)1.5-22weldwidthb(mm)coverhadeachedgeslopemouthabout2mmargonarcweldingweldstrengtheningsurfaceheightandwidthtubewallthickness(mm)2--33--45--6weldformweldstrengtheningheighth(mm)1-1.51.5-22-2.5widthb(mm)方。(难度:A)10.在装配图中尺寸表示将部件安装到机器上或将
本文标题:机械制图零件图、装配图题库(有难度)
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