[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fnENysnAQqq38ZI0oJrft7V5Tmn9DlpxQlz0QrISViOI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-04-28 12:45:16",184980754,[8,9,10,11],"3","4","2","1",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},24,"3156702cc092a82fef5785004c2909ab","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb798aea530f9c99ca18d0a483aaf75df.jpg","电缆工艺原理及应用-2025春季","work_43020613","挤塑1","一般而言,120挤塑机的挤出量约是65挤塑机的()倍",[21,32,41,44,53,62,68,78,87,96],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],184980748,[25,26,27,28],"电感应加热、风冷","电阻加热、水冷","电阻加热、风冷","载体加热、水冷","挤塑机通常采用的加热冷却系统以()系统居多","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],184980751,[36,37,38,39],"普通等距不等深","低圧缩比等距不等深","突变型","分离型","低烟无卤护套料挤出生产时,选用()螺杆最合适",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],184980759,[48,49,50,51],"在固体输送段Q和螺槽深度H近似成正比,螺槽深一些有利于提高产能","螺槽浅,对料流的推挤力均匀,有利于保持料流的稳定","螺槽深,对物料的推挤力大、料流稳定性好,因此多采用大的螺槽深度","在均化段,倒流流量正比于螺槽深度H的三次方,均化段的螺槽太深会使倒流增大很多","以下对螺槽深度描述不正确的是()",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],184980763,[57,58,59,60],"漏流","横流","逆流","正流","螺杆与机筒间隙增大,对()影响最大",{"answer":63,"createTime":5,"id":64,"options":65,"question":67,"source":30,"type":31},[],184980766,[58,60,66,57],"倒流","对挤塑机生产能力影响最大的料流形式为()",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":77},[],184980769,[72,73,74,75],"在加料段的机筒内壁开设带锥度的纵向沟槽&mdash;&mdash;增大固体塞的周向摩擦力,利于固体塞沿轴向前进","提高螺杆表面光洁度&mdash;&mdash;降低螺杆与物料的摩擦系数,提高输送速率","工作中对螺杆进行冷却&mdash;&mdash;降低螺杆表面与物料的摩擦系数,提高输送速率","对加料段进行冷却&mdash;&mdash;避免固体塞软化而增大与螺杆间的摩擦力","在加料段,采取()等措施提高固体颗粒料的输送速率",1,{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":30,"type":77},[],184980774,[82,83,84,85],"螺杆转速大幅提高时,一般需要提高机身温度进行热量补偿","螺杆转速增加,物料流率增大,会导致物料的均匀度和塑化性能变差","增加螺杆转速,只影响料的流率,对熔融过程不产生影响","增加螺杆转速,摩擦剪切热增加,因此有提高熔融速率的趋势","以下()描述符合螺杆转速提高对物料熔融过程的影响",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":30,"type":77},[],184980777,[91,92,93,94],"外径测量装置","吹干装置","火花试验机","计米装置","以下()等装置能够实现对挤塑制品质量的在线连续检测",{"answer":97,"createTime":5,"id":98,"options":99,"question":100,"source":30,"type":77},[],184980780,[57,60,58,66],"增加过滤网层数或增大过滤网目数,会使()增大"]