[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqvKy4N2lgiSU-LKdtOstwSRoQ5SOnLfSOTkKhKUTK9Y":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-07-03 15:27:09",157251556,[8,9,10,11],"增大滚子半径","减少基圆半径","减小滚子半径","增加基圆半径",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},21,"c979ec4e5f6687513e11eac45951c30d","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff03f74b977bd1485ff92c188545e5bc9.jpg","机械设计基础A1--机械原理","work_34896447","第四章凸轮机构章节测验","在设计直动滚子从动件盘形凸轮机构时,若发生运动失真现象,可以( )",[21,32,41,49,57,60,69,74,79,87],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],157251552,[25,26,27,28],"尖顶式从动杆","滚子式从动杆","平底式从动杆","以上均不对","对于较复杂的凸轮轮廓曲线,也能准确地获得所需要的运动规律","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],157251553,[36,37,38,39],"将产生刚性冲击","将产生柔性冲击","没有冲击","既有刚性冲击又有柔性冲击","凸轮机构的从动件选用等速运动规律时,其从动件的运动( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":48,"source":30,"type":31},[],157251554,[45,46,47],"低速","中速","高速","凸轮机构从动件的等速运动规律适用于( )场合",{"answer":50,"createTime":5,"id":51,"options":52,"question":56,"source":30,"type":31},[],157251555,[53,54,55],"永远等于0&deg;","等于常数","随凸轮转角而变化","直动平底从动件盘形凸轮机构的压力角( )",{"answer":58,"createTime":5,"id":6,"options":59,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":30,"type":31},[],157251557,[64,65,66,67],"直动滚子从动件盘形凸轮机构","摆动滚子从动件盘形凸轮机构","直动平底从动件盘形凸轮机构","摆动从动件圆柱凸轮机构","在下列凸轮机构中,从动件与凸轮的运动不在同一平面中的是( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":73,"source":30,"type":31},[],157251558,[36,37,38,39],"凸轮机构的从动件选用余弦加速度运动规律时,其从动件的运动( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":78,"source":30,"type":31},[],157251559,[36,37,38,39],"凸轮机构的从动件选用匀加速匀减速运动规律时,其从动件的运动( )",{"answer":80,"createTime":5,"id":81,"options":82,"question":86,"source":30,"type":31},[],157251560,[83,84,85],"凸轮上接触点的法线与该点线速度","凸轮上接触点的法线与从动件的运动方向","凸轮上接触点的切线与从动件的运动方向","凸轮机构中的压力角是指( )间的夹角",{"answer":88,"createTime":5,"id":89,"options":90,"question":93,"source":30,"type":31},[],157251561,[91,92],"实现任意预期的从动件运动规律","承载能力大","凸轮机构的主要优点是( )"]