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面粉成套设备

        面粉成套设备电机为防止轴承外套与端盖转套,在外套与端盖间加装了特制的钢片。有的将轴承打上打下(正确拆装轴承应加热)或将防转钢片丢失,均会产生轴承转套现象。对于有磨面粉机轴承转套现象的电机,以往大多采用凿毛法修理,但效果(尤其是端盖)并不理想。

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     当面粉成套设备轴承内圈与轴颈或外圈与端盖间隙大于0.1mm时,定、转子就可能相擦(扫膛)。扫膛较轻时,电机尚能起动运转,但温升高,时间长了易烧坏绕组,较重时就不能起动运转。拆开有扫膛故障的电机能看到呈紫蓝色的擦伤面。发生磨面粉机轴承转套现象的电机大多是铝壳电机。产生转套的原因有2:

①JIAGONGJINGDUJIAOCHA,

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