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洗砂机的电动机常见故障及维护措施/Common faults and maintenance measures of motor of sand washing machine

来源: 时间:2018-06-30 09:36:46 次数:

洗砂机的电动机常见故障及维护措施: 定、转子都是由相互绝缘的硅钢片叠成,是电动机的磁路部分。定、转子铁芯的损坏和变形主要由以下几个方面原因造成。 Common faults and maintenance measures of the motor of the sand washing machine: The stator and rotor are made of silicon steel sheets which are insulated from each other. They are the magnetic circuit of the motor. The damage and deformation of stator and rotor core are mainly caused by the following reasons.

洗砂机的电动机常见故障及维护措施:

定、转子都是由相互绝缘的硅钢片叠成,是电动机的磁路部分。定、转子铁芯的损坏和变形主要由以下几个方面原因造成。

Common faults and maintenance measures of the motor of the sand washing machine:
The stator and rotor are made of silicon steel sheets which are insulated from each other. They are the magnetic circuit of the motor. The damage and deformation of stator and rotor core are mainly caused by the following reasons.

①轴承过度磨损或装配不良,造成定、转子相擦,使铁芯表面损伤,进而造成硅钢片间短路,电动机铁损增加,使电动机温升过高。这时应用细锉等工具去除毛刺,消除硅钢片短接,清理干净后涂上绝缘漆,并加热烘干。


②拆除旧绕组时用力过大,使盗槽歪斜和向外张开。此时应用尖嘴钳、木榔头等工具予以修整,使齿糟复位,并在不好复位的有缝隙的硅钢片间加入青壳纸、胶木板等硬质绝缘材料。


③因受潮等原因造成铁芯表面锈蚀。此时需用砂纸打磨干净,清理后涂上绝缘漆。


④围绕组接地产生高热烧毁铁芯糟或齿部?捎迷渥踊蚬蔚兜裙ぞ呓刍锾蕹删唬可暇灯岷娓伞


⑤铁芯与机座间结合松动,可拧紧原有定位螺钉。若定位螺钉失效,可在机座上重钻定位孔并攻丝,旋紧定位螺钉。

① excessive wear or poor assembly of bearing will cause friction between stator and rotor, damage the surface of iron core, and then cause short circuit between silicon steel sheets, increase the iron loss of motor, and make the temperature rise of motor too high. At this time, the burr shall be removed with fine file and other tools, and the short circuit of silicon steel sheet shall be eliminated. After cleaning, the insulating paint shall be applied, and then it shall be heated and dried.
② when removing the old winding, excessive force shall be applied to make the slot crooked and open outwards. At this time, pointed nose pliers, wooden hammers and other tools shall be used to repair, so as to reset the teeth, and hard insulating materials such as green shell paper and rubber board shall be added between the silicon steel sheets with gaps that are not easy to reset.
③ the iron core surface is rusted due to moisture and other reasons. At this time, sandpaper shall be used to polish it, and insulating paint shall be applied after cleaning.
④ high heat generated around the group to burn the iron core or teeth. Use chisel or scraper and other tools to remove the deposit and apply insulating paint to dry.
⑤ the connection between the iron core and the base is loose, and the original set screw can be tightened. If the set screw fails, the set hole can be re drilled and tapped on the base, and the set screw can be tightened.

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