大型螺杆www.878365.com维修方案细则分析 - 济南www.878365.com价格
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大型螺杆www.878365.com维修方案细则分析
Time:2019-03-11 14:56:44       来源:/      

一、 例损坏部件:

1. Examples of damaged parts:
1、螺杆www.878365.com电机线圈烧坏;
1. The motor coil of screw air compressor is burnt out.
2、电机前后端盖轴承位严重磨损;
2. The bearing position of front and rear end covers of motors is seriously worn.
3、电机转子前端轴承内严重打烂磨损;
3. Serious wear and tear in front bearing of motor rotor;
4、前端轴承分裂及后端轴承已被卡死现像;
4. Split front-end bearing and stuck back-end bearing.
5、电机定子线槽位磨损导至倾斜;
5. Slot wear of motor stator leads to inclination.
6、www.878365.com控制箱主交流接触器烧坏及粘连现象。
6. Burning and adhesion of main AC contactor of air compressor control box.
二、 www.878365.com损坏部件原因分折:
2. Causes of air compressor damaged parts are divided into two parts:
就现场及损坏的部件明显可看出设备是由于www.878365.com电机轴承损坏引起的一系列问题。
On the spot and the damaged parts, it is obvious that the equipment is caused by a series of problems caused by the damage of motor bearing of air compressor.
电机轴承损坏后,电机的定子与转子之间的间隙移位发生磨擦,产生高温至使轴承更一步的损坏,因此电机负载电流变大;交流接触器的触点所承受的电流远超出额定电流,即出现触点发热,最后导致主交流接触器触点烧坏粘连分离不开,产生短路,电机烧毁。
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After the motor bearing is damaged, the gap between the stator and the rotor of the motor is shifted and friction occurs, resulting in high temperature to further damage the bearing, so the load current of the motor becomes larger; the contact current of the AC contactor is far beyond the rated current, that is, the contact heating occurs, which eventually leads to the main AC contactor contact burning, adhesion and inseparability, resulting in short circuit, motor burning.
轴承在损坏过程中,由于电机是处于高速运转中加之功率较大。当定子与转子之间的间隙移位后,前后端盖将承受着转子倾斜的重量,即而出现了前后端盖严重磨损的状况。轴承高温抱死后,轴承内圈与转子主轴发生高速磨擦,从而导致转子主轴磨损严重坏的情况。
In the process of bearing damage, because the motor is in high-speed operation and the power is larger. When the gap between the stator and the rotor shifts, the front and rear end covers will bear the weight of the rotor tilt, that is, serious wear of the front and rear end covers will occur. After the bearing is locked at high temperature, high speed friction occurs between the inner ring of the bearing and the main shaft of the rotor, which leads to serious wear and tear of the main shaft of the rotor.
三、以上分折需www.878365.com维修项目:
3. The above breakdown requires air compressor maintenance items:
1、电机线圈需全部换掉;
1. The motor coils should be replaced completely.
2、已磨损坏的轴承全部换掉;
2. All wear-out bearings are replaced.
3、电机前后端盖需喷涂修复完好;
3. The front and rear end covers of motors need to be repaired by spraying.
4、转子主轴需喷涂修复完好;
4. The rotor spindle needs to be repaired by spraying.
5、电箱的主交流接触器需更换;
5. The main AC contactor of the electric box needs to be replaced.
6、热保护拆下更换完好之配件;
6. Remove and replace intact parts under thermal protection.
7、电箱定子线圈槽位重新按照需要排列完整。
7. The slot position of stator coil of electric box is arranged completely according to the need.
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