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■直角减速箱与电机的组合●特点:与传统的标准减速箱(或称平行轴减速箱)不同,为了给设计者提供更大的选择空间,使设备整体更加紧凑,直角减速箱的传动形式则是新的选择。直角减速箱除具有标准减速箱的所有功能外,也就是宽范围的速比选择性(i=3~1800),优异的传递性能,还具有高强度的壳体,以及紧凑的安装形式,这是标准减速箱所不能及的。同样,在前述条件下,通过选择不同功能的电机,能实现不同的功能效果。例如:调速、电磁制动、可逆等等。●安装直角减速箱、中间减速箱和电机同属精密机械。在设计选型后的装配质量将会直角影响其使用寿命以及性能。●电机与直角减速箱的连接作为精密机械的装配,与直角减速箱配套的电机除有独立的接线端子盒外,在其连接端面均有凸缘止口。而直角减速箱输入面有与之配合的沉孔台止口。用户可根据实际情况,适当地旋转电机与直角减速箱的相对旋向。调整到位后,再紧定电机到连接法兰上的四个螺钉。注意紧固螺钉的顺序:对角依次逐渐紧固。●与设备的连接直角减速箱输出轴的端面为精加工平面,其上四角分布地四个通孔,可与设备已加工的连接面直接贴合连接,在紧固螺栓时,同样应采用对角已加工的连接面直接贴合连接,在紧固螺栓时,同样应采用对角依次逐渐紧固地方式。直角减速箱的输出方式分为中实轴和中空轴两种形式,用户可根据负载的形式选择。●直角减速箱中实轴输出的连接直交减速箱中实轴输出为键槽结构形式,对应不同规格,与其输出轴装配孔德尺寸分别是:Φ12H7、Φ15H7、Φ20H7三种。在与负载的连接中,严禁猛烈敲击饿、扳扭,在确保装配质量的前提下,该产品在设计生产中也兼顾了有关装配的因素。键宽为4mm的尺寸公差。●直角减速箱中空轴输出的连接在中空系列的直角减速箱装配中,同样注意严禁猛烈敲击饿、扳扭。与中空轴连接的轴尺寸公差为h8,分别有Φ15h8、Φ17h8、Φ22h8三种。特别注意:1、用直角中空减速箱做轴向定位时,不允许负载轴有过定位的现象,否则将易损坏减速箱。2、直角中空减速箱配轴长度技术要求: 若此轴是完全利用中空轴支撑固定,则轴长应与中空轴等长或略短一点; 若无支撑作用,仅传递转矩,则轴仅需插入中空轴1/3深即可。轴向固定步骤:1、取下直角减速箱中空轴另一侧的防尘盖;2、对于不同结构的负载轴按不同方法固定;3、安装后部防尘盖(注意:螺栓搞的不得超过后端盖面2mm);4、若无法安装防尘盖,则必须用M4*5螺钉将原防尘盖螺钉孔堵住,否则会漏油,同时螺钉勿超长,否则将顶坏内部轴承。■直角安装脚、联轴器除电机、减速箱与设备直角连接外,还有系列安装连接附件。●直角安装脚采用铝合金压铸制造,外观精巧、尺寸精确,并且具有足够的强度,适合于辅助支撑的安装场合。●弹性联轴器结构紧凑、转动惯量小、传递转矩高。■电机、减速箱的装配注意事项电机、减速箱以及中间减速箱同为精密机械。在实际应用中,因装配不当而造成损失或报废的情况尤为突出,所以装配环节也是影响正常使用的因素之一。●轴、键公差为便于装配,同时保证可靠的连接,以及转矩传递。产品对所涉及到的键槽公差在现有的规格中,均比一般通用设备略大,输出轴类公差带为h7,孔类H8。●敲击问题装配中严禁对负载轴、套进行压力装配,这将容易导致电机或减速箱体中轴承或齿轮的损坏,也会破坏齿轮的啮合印痕。同时也要避免猛烈敲击,以及扳扭。严禁控制负载轴、套的尺寸公差,必要时可用软质材料衬垫,轻微敲击。●同心度问题由于输出均为回转形式,在高速、重载工况下,同心度尤为重要。推荐使用弹性联轴器,回转惯量小,结构紧凑,而且具备同心度补偿和传递扭矩。
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