[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f7dfgAjqk0n2otl13372_E2lw9qf2SXtdLGIyOeJmnss":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-11-28 19:43:30",167939181,[8,9,10,11],"传动功率","载荷性质","圆周速度","使用寿命",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},54,"abb5f4bcc708bca20f2380c1005412db","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fade026935985eb37cc6e965b26524f34.jpg","机械设计基础","work_39376280","专题五 马克思主义的资本主义论(第二部分)","选择齿轮的精度等级时主要依据齿轮的( )",[21,32,41,50,59,68,71,81,89,94],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],167939176,[25,26,27,28],"σH1〈σH2","σH1〉σH2","不能确定","σH1=σH2","一对相啮合的圆柱齿轮Z1〉Z2,b1〈b2,其接触应力的大小( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],167939177,[36,37,38,39],"齿向载荷分布系数","动载系数","齿间载荷分配系数","使用系数","工厂有两批精度等级相同的齿轮,材料均为中碳合金钢,热处理方式不同:一批为调质处理,一批为表面淬火.下列载荷系数中,选用前者时( )的数值会小一些",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],167939178,[45,46,47,48],"齿面磨损","轮齿疲劳折断","齿面胶合","齿面疲劳点蚀","对于软齿面的闭式齿轮传动,其主要失效形式为( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],167939179,[54,55,56,57],"模数","压力角","齿顶高系数","齿数","下列齿轮参数中,对齿形系数YF没有影响的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],167939180,[63,64,65,66],"尼曼法","光弹试验法","30°切线法","抛物线法","在确定齿轮轮齿根部最大弯曲应力处的截面位置时,国标中采用( )",{"answer":69,"createTime":5,"id":6,"options":70,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":72,"createTime":73,"id":74,"options":75,"question":80,"source":30,"type":31},[],"2024-11-28 19:43:31",167939182,[76,77,78,79],"前者为对称,后者为脉动","前者为脉动,后者为对称\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F952ca38cf0e8feff9887e3297efc2743.jpg\">","均为脉动的","均为对称的","图示的齿轮传动中,齿轮1主动,齿轮2、3从动,则齿轮2的齿根弯曲应力和齿面接触应力的变化形式( )",{"answer":82,"createTime":73,"id":83,"options":84,"question":88,"source":30,"type":31},[],167939183,[85,86,28,87],"不确定","σH1<σH2","σH1>σH2","一对相啮合的直齿圆柱齿轮的相关参数分别为:齿数z2=3z1,齿宽B1=B2+8mm,其接触应力的大小是( )",{"answer":90,"createTime":73,"id":91,"options":92,"question":93,"source":30,"type":31},[],167939184,[37,39,36,38],"将轮齿沿齿向制成腰鼓形主要是减小( )",{"answer":95,"createTime":96,"id":97,"options":98,"question":103,"source":30,"type":31},[],"2024-12-28 00:53:22",174632917,[99,100,101,102],"商业资本家","工业资本家","金融寡头","银行资本家","垄断资本主义国家事实上的主宰者是"]