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1、《金属切削原理与刀具》试题(答案)试卷1一、填空题1.工具钢、高速钢、硬质合金;金刚石、立方氮化硼2.前角、后角、主偏角、副偏角、刃倾角、副后角3.切削深度、进给量、切削速度4.带状切屑、节状切屑、粒状切屑、崩碎状切屑5.前刀面磨损、后刀面磨损、前后刀面同时磨损6.200度相变磨损7.刀尖;较小的前角、较小的后角8.高的硬度、良好的强度和韧性、良好的耐磨性、良好的工艺性及经济性。9.高速;低速10.T8A、T10A、T12A;9SiCr、CrWMn;W18Cr4V、W6Mo5Cr4V2二、判断题1√2√3√4×5√6√7√8×9×10√11√12√1
2、3√14√15√16√17√18√19√20×三、选择题1.外斜式2.中速3.减小4.550~600相变5.前刀面6.前后刀面同时7.0.88.切削速度进给量9.前刀面前刀面10.扩散11.切屑刀具12.后刀面VB13.正常磨损14.大于60°15.带状崩碎四、简答题1、楔角就是,前刀面与后刀面的夹角,其大小由前角和后角来决定。2、刀具寿命是指,刀具从开始使用到报废为止所经历的切削加工时间。3、切削用量主要包括:切削速度,进给量,背吃刀量三要素。4、刀尖角就是指在基面内测量主切削刃与副切削刃的夹角。5、后角主要影响刀具后面与加工表面的摩擦、加工精度、
3、刀具刃口强度和耐用度。精加工时,为防止挤压摩擦,应选用较大的后角;粗加工时,为增加刀头强度,应选用较小的后角。试卷2一、单项选择题1、D2、C3、B4、C5、C6、A7、D8、A9、B10、A11、B12、D13、C14、D二、多项选择题1、AD2、BC3、AE4、BCD5、BC6、AB7、ABCDE三、填空题1、前刀面,后刀面2、TiCWCTiC3、剪切滑移与挤压摩擦变形系数4、中塑性精5、γo6、大小7、乳化液切削油刀具红硬性8、更换刃磨9、横刃刀尖横刃Atpresent,wewouldliketotaketheopportunityofmain
4、tainingpartymember'sprogressivenesseducationactivity,tostrengthenandimprovetheOfficeitself.First,tostrengthenideologicalbuilding,forgebasicquality.Ideologyconstructionistheimportantcontentoftheconstructionofthecontingentofcadres. Governmentofficesatalllevelstoputideologicalcon
5、structioninconstructionfromstarttofinishtopoftheefforttoforgeapoliticalreliability,faith,qualityexcellentcadres.Tostrengthenthesenseofpolitical.FortheOffice,istoinsistonresponsibilityandconsistencyunder,firmlyimplementthePartyCentralCommitteeandtheStateCouncil'spoliciesanddecis
6、ionsindicatesthatpremise,"twoguarantees".IstoensurethatthemunicipalpartyCommitteeandtheimplementationofthedecisionsandarrangementsofthemunicipalgovernment.MunicipalGovernmentmademajorpolicydecisions,wemustunswervinglycarryout,inspectiontellsusthisisnotapoliticalproblem,atthispo
7、int,everyonemustunequivocally.Second,ensurethattheviewsanduninterrupted. Topreventandcorrect"below,abovedifficulttohearcallsfor"obstructionof,reallyknowwhatgrass-rootsdo,whatarepeoplethinking,toprovidegovernmentleaderswithtimely,accurate,andreliableinformationfordecision-makin
8、g.Tostrengthentheoverallsituation.Atpresent,developmen