[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fTqs3yLXMxsBs6BhkmgrNnETwamudO1hkleK6H1AbwXQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":11,"question":18,"related":19,"source":30,"type":31},[],"2024-05-31 16:57:21",147591793,[8,9,10],"设计基准与定位基准不重合引起的","调刀基准与定位基准不重合引起的","设计基准与调刀基准不重合引起的",{"count":12,"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},30,"6f68becdc14b279b5d852d1a97580184","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","机械制造技术基础","work_35388340","单元作业五",""基准不重合误差"是由( )",[20,32,37,46,55,60,69,78,83,86],{"answer":21,"createTime":5,"id":22,"options":23,"question":29,"source":30,"type":31},[],147591785,[24,25,26,27,28],"机床附件类夹具","可调夹具(包括通用可调夹具和成组夹具)","随行夹具","组合夹具","专用夹具","毛坯装夹到某类夹具上后,可从生产线开始一直到生产线终端在各位置上进行各种不同工序的加工,这类在自动或半自动生产线上使用的夹具为( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":36,"source":30,"type":31},[],147591786,[24,25,26,27,28],"专为某个工件的某道工序设计的夹具称为( )",{"answer":38,"createTime":5,"id":39,"options":40,"question":45,"source":30,"type":31},[],147591787,[41,42,43,44],"定位基准","测量基准","装配基准","调刀基准","在加工中使工件在机床或夹具上占有正确位置的基准称为( )",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":30,"type":31},[],147591788,[50,51,52,53],""完全定位"",""不完全定位"或"部分定位"",""欠定位"",""过定位"或"重复定位"","通过合理布置六个定位支承点,限制了工件全部六个自由度,称为工件的( )",{"answer":56,"createTime":5,"id":57,"options":58,"question":59,"source":30,"type":31},[],147591789,[50,51,52,53],"在加工中,如果工件的定位支承点数少于应限制的自由度数,必然导致达不到所要求的加工精度,这种工件定位支承点不足的情况称为( )",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":30,"type":31},[],147591790,[64,65,66,67],"固定支承","可调支承","自位支承","辅助支承","有一类基本支承定位元件,支承本身的位置在定位过程中,能自动适应工件定位基准面位置的变化,这类支承称为( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":30,"type":31},[],147591791,[73,74,75,76],"1","2","3","4","圆锥销常用于工件孔端的定位,其可限制工件几个自由度?( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":82,"source":30,"type":31},[],147591792,[73,74,75,76],"长定位销可限制工件几个自由度?( )",{"answer":84,"createTime":5,"id":6,"options":85,"question":18,"source":30,"type":31},[],[8,9,10],{"answer":87,"createTime":88,"id":89,"options":90,"question":94,"source":30,"type":95},[],"2024-05-31 17:37:17",147599477,[91,92,93],"直接找正装夹法","划线找正装夹法","夹具装夹工件法","工件在机床上的装夹方法主要有( )",1]