互换性与技术测量2021学习通超星期末考试答案章节答案2024年

互换性与技术测量2021学习通超星期末考试章节答案2024年In

runout

inspection,

the

workpiece

should

(

).译:进行圆跳动检测时,被测工件要如何运动?

答案:rotate/star3/origin/8fdb2433b980a4e6b82d705731c2f14c.png

答案:②Whichproductbelowmayrequirerunoutinspection?译:以下哪项产品需要进行圆跳动检测?

答案:gearWhatdoestheterm“bore”mean?译:术语“bore”的意思是什么?

答案:HoleWhatinstrumentshouldbeusedtozeroamechanicalcomparator?译:机械式比较仪调零要用到什么量具?

答案:Gaugeblocks(量块)Whatcanbemeasuredwithdialindicators?译:百分表可以用来测量什么?

答案:alloftheoptions(全部选项均正确)Theprincipleofdialindicatorsistoconvert(

).译:百分表的原理是什么?

答案:lineardisplacementtogearrotation(把直线位移转换成齿轮转动)WhichisNOTtheadvantageofacomparativemeasuring?译:以下哪项不是比较测量的优点?

答案:Fastinitialsetup(初始调整快捷)Whenamicrometeristobestored,thespacebetweenitsanvilsshouldbe(

).译:千分尺存放时,两测砧间距应该怎样?

答案:separatedwithgap(留有间隔)Whatinstrumentshouldbeusedtozeroanindicatingmicrometerthatranges25-50mm?译:对量程25-50mm的杠杆千分尺调零要用到什么器具?

答案:Gaugeblocks(量块)Comparetoageneralmicrometer,anindicatingmicrometerhasa(

).译:杠杆千分尺比普通千分尺多了什么?

答案:flexibleanvil(活动测砧)What'stheusageoftoleranceindicatorsonanindicatingmicrometer?译:杠杆千分尺表盘上的公差指示器有什么作用?

答案:Fastcomparativemeasurement(快速相对测量)Whattypeofmicrometerscanbeusedtomeasureholediameters?译:哪种千分尺用来测量孔径?

答案:Internalmicrometers(内径千分尺)/star3/origin/9056fbfb52cb0fc808223c9b52fd3458.png

答案:168.4/star3/origin/f6eaa6ee9792b77d388d381a17f8cdfc.png

答案:8.061/star3/origin/23011ffc7c08fd391d9ccc04a6d061fb.png

答案:12.910Whichtermisusedtodescribetheoperationofjoiningflatfacesofgaugeblocksbysliding?译:以下哪个术语表示“通过滑动使两个量块的工作面贴合的操作”?

答案:WringWhatshouldbeusedtowipegaugeblocks?译:量块要用什么擦拭?

答案:SoftclothWhatshouldbedonebeforeusinggaugeblocks?译:使用量块前需要做什么?

答案:alloftheoptions(全部选项均正确)GaugeblocksCANNOTbeusedfor(

)译:量块不能用来做什么?

答案:holediametermeasurement(测孔径)/star3/origin/6c7fd1ac3705fafd449911b90615280b.png

答案:24.01,

0.02/star3/origin/f505c16c19caaea5199ee038b3cf1670.png

答案:24.00,

0.03/star3/origin/4a454772fbb4ae7235090284e19016f5.png

答案:24.00,

0.03/star3/origin/066d8fe0344624ed2249ebc84f92791b.png

答案:23.99,

0.01/star3/origin/e97b70d4d19f991159b41ad6e6c4c7d8.png

答案:0.06/star3/origin/52332b75c9d07e75a35cf88e53e23583.png

答案:23.96,

0.03/star3/origin/3cc7595fc93a7396319cb8be38d44f10.png

答案:Total

runout

of

shaft

Φd/star3/origin/5f9006aaee82cb3e25318df61374a891.png

答案:Cylindricity

of

shaft

Φd1/star3/origin/f25fc899a19db7fb8f4f8790333919ff.png

答案:Both

surface

A

and

B

are

datums(A、B面都是基准)/star3/origin/031293464292daf3334c7bc1128c64d7.png

答案:The

slot

is

symmetric

about

the

axis(开槽部分关于轴线对称)/star3/origin/93e955f4262599fc96ba2b9e27c3b6d2.png

答案:Axis

of

Φd

shaft

and

ΦD

shaft（Φd与

ΦD的轴线）/star3/origin/591d7e52d225e4f778cbd1cd88c73306.png

答案:Perpendicularity/star3/origin/27370d226d9dfca9e2787c6b937eb94d.png

答案:Datum(基准)HowmanyitemsdoesGD&Tconsistof?译:GD&T共有几个项目?

答案:14Whichoneisanorientationtolerance?译:哪一项是定向公差?

答案:Perpendicularity(垂直度)Whichoneisalocationtolerance?译:哪一项是定位公差?

答案:Symmetry(对称度)Whichoneisaformtolerance?译:哪一项是形状公差?

答案:Circularity(圆度)GD&Tisusedtocontrol(

)ofanobject.译:GD&T控制工件的什么参数?

答案:contour(轮廓)Whatisthedeviationlettersymboloftheholeisinashaft-basissystem?译:基轴制配合中,孔的偏差代号是什么?

答案:Dependsonrequirement(视需要而定)Whatisthedeviationlettersymboloftheshaftisinahole-basissystem?译:基孔制配合中,轴的偏差代号是什么?

答案:Dependsonrequirement(视需要而定)Whattypeoffitshouldbeconsideredasafirstchoicewhenwedesignanassembly?译:设计一处装配时,首先考虑哪种配合?

答案:Preferablefit(优先配合)Whatisthepurposeofusingpreferablefits?.译:为何要使用优先配合?

答案:alloftheoptions(全部选项均正确)AdimensionexpressedasΦ20H7isusuallyfor(

).译:Φ20H7这样的标注通常用于什么场合?

答案:Massmanufacturing(大批量生产)WhichstatementisTRUEaboutfitΦ20H7/f6?译:关于配合尺寸Φ20H7/f6,以下哪项说法是正确的?

答案:Boththeholeandtheshafthaveabasicsizeof20(孔与轴的基本尺寸均为20)WhichstatementisFALSEaboutfitΦ20H7/f6?译:关于配合尺寸Φ20H7/f6,以下哪项说法是错误的?

答案:Theholeandtheshafthavethesametolerancegrade(孔与轴的tolerance等级相同)WhichdimensionequalstoΦ50±0.031译:哪项尺寸等于Φ50±0.031?

答案:Φ50JS9WhichdimensionequalstoΦ40±0.008译:哪项尺寸等于Φ40±0.008?

答案:Φ40js6WhichstatementisFALSEaboutdimensionΦ40f6?.译:关于尺寸Φ40f6,以下哪项说法是错误的?

答案:ThesizeatMMCis40(MMC时的尺寸为40)WhichstatementisTRUEaboutdimensionΦ40f6?.译:关于尺寸Φ40f6,以下哪项说法是正确的?

答案:Itisashaftdimension(这是轴的尺寸)WhichstatementisFALSEaboutdimensionΦ40H7?.译:关于尺寸Φ40H7,以下哪项说法是错误的?

答案:Itisashaftdimension(这是轴的尺寸)/star3/origin/54b652e70f706607f4137f4dd80e6c29.png

答案:Transition

fit(过渡配合)Inatransitionfit,whatistherelationshipofshaftdiameterdandholediameterD?.译:过渡配合中的轴径d与孔径D的关系是怎样的?

答案:unknown(不一定)Inaclearancefit,whatistherelationshipofshaftdiameterdandholediameterD?.译:间隙配合中的轴径d与孔径D的关系是怎样的?

答案:d<DWhichtypeoffitisforaccuratelocation?.译:哪一种配合用于准确定位?

答案:Transitionfit(过渡配合)Whichtypeoffitisforrunningand/orsliding?.译:哪一种配合用于转动/滑动?

答案:Clearancefit(间隙配合)Whichtypeoffitisforpermanentjoint?.译:哪一种配合用于永久联接?

答案:Interferencefit(过盈配合)/star3/origin/e578194de201b732f15283edebc1e579.png

答案:20.033/star3/origin/09502ff330ac84e7b1abe639e7fc9541.png

答案:19.959Whatdoes“ei”meanintermsofdimensionaldeviation?译:在表示尺寸偏差的符号中,“ei”的含义是什么?

答案:lowerdeviationofshaft(轴的下偏差)Whatdoes“EI”meanintermsofdimensionaldeviation?译:在表示尺寸偏差的符号中,“EI”的含义是什么?

答案:lowerdeviationofhole(孔的下偏差)Whatdoes“ES”meanintermsofdimensionaldeviation?译:在表示尺寸偏差的符号中,“ES”的含义是什么?

答案:upperdeviationofhole(孔的上偏差)Forthosedimensionswithoutspecifiedtolerance,theallowableerroris(

).译:图纸上未注公差的尺寸允许有多大误差?

答案:IT8~IT9Whatdoestolerancecontrol?译:tolerance用来控制什么?

答案:alloftheoptions(全部选项均正确)Howdowespecifyatoleranceforaproduct?译:如何制定产品的tolerance?

答案:Bigbutsatisfiesfunctionality(满足功能的前提下大些)Whatistoleranceintermsofmanufacturing?译:在制造业,tolerance一词的含义是什么?

答案:AllowanceSamplingplanisusuallydesigned(

).译:产品抽检方案通常是怎样制定的?

答案:bycharts(查表)Comparetofullinspection,whatisthedisadvantageofsampling?译:与全检相比,产品抽检有什么缺点?

答案:Rejectinggoodproducts(拒收合格产品)Theactivityofevaluatingproductqualityisknownas(

).译:评估产品质量的活动称作什么?

答案:samplingTossingacoinfor100times,theheadlikelyoccurs50times.Itobeysthelawof(

).译：一枚硬币抛100次，正面出现大约50次。这个现象反映了什么规律？

答案:Normaldistribution（正态分布）Gaussiandistributionisknownas(

).译:高斯分布又称作什么?

答案:normaldistribution(正态分布)Ifyoutossacoinfor100times,howmanytimesdoesheadlikelytooccur?.译:一枚硬币抛100次,正面出现几次的可能性最大?

答案:50timesThesmallerstandarddeviationmeansthebetter(

)?译:标准差越小表明下面哪项水平越高?

答案:precisionWhichwordistodescribehowclosethemeasuredvaluesaretoeachother?译:哪个单词用来表述测量值一致性的程度?

答案:precisionWhichwordistodescribehowclosethemeasuredvaluesaretothetruevalue?译:哪个单词用来表述测量值接近真实值的程度?

答案:accuracyPreferrednumbersareaseriesnumberswith(

).译:优先数系是一组怎样的数字？

答案:constantstepratio(等比数列)Peopleuse(

)forroughnessvalues(e.g.0.8,1.6,3.2,6.3,..)?译:用于粗糙度数值的一组数字称为什么?

答案:preferrednumbers(优先数组)Whatmaycausesystematicerrorofmeasurement?(

).译：测量时产生系统误差的原因是什么？

答案:alloftheoptions(全部选项均正确)Whatcanbedonetoavoidgrosserror?(

).译:怎样才能避免粗大误差?

答案:TakingcareWhatcausesgrosserror?(

).译:产生粗大误差的原因是什么?

答案:HumanmistakesMeasuringerrorisdefinedas(

).译:如何定义测量误差?

答案:Measuredvalue–TruevalueWhatistheadvantage