Main Troubles Appear In Crusher Motor
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1. The maintain of fix roller and movable roller
Bearing is excessive wearable and bad installation,causing the fix and movable roller rubbed each other,and the surface damaged. It cause a short circuit between the silicon,the iron loss is increase,and the motor's temperature rise too high.
When tearing down the old winding,bcos of large force,it caused the slot slanting and opening outward.
For moisture or other reasons cause the core's surface rust.At this time,it should use the sand paper to clean polished,then smear with insulating paint.
To produce high temperature that around grounding of the group burn the core's slot or the tooth.
At this time,can use the chisel,scraper or other tools to clean the deposition,then smear with insulating paint and dry.
The link that the core combined with the frame is loose,can tighten the he original location loose screws.If the screws is unavailable,can drill holes and tap, tighten the screws.
2.The trouble shooting of bearing
The rotation axis turn through the bearing's support,is the most important of the load,and is the part easy to wear.
Checking the troubles
Checking in the operation
When the rolling bearings is lack of oil,will hear "gulu,gulu".If hear the discontinuous voice like"geng geng",it's possible that the ring of the bearing is rupture. Checking after demolition
Repairing the breakdown
The rust on the surface of bearings can use the NO.00 sand paper to erase,then add in gasoline cleaning.Or when the bearings having a cracks,both inside and out side circle cracking or the bearing wearing serious,should replace a new one.When replacing the new bearing,should choose the same model bearings.
3.Repairing the breakdown of the roller shaft
The bending of the shaft
If the angle of the bending is not large,can repair it trough polishing the neck of bearings, lubricating the rings,the bending exceed 0.2mm,can put the shaft under the press machine,correcting at the bending by increase the pressure.Then using the lathe cut and polish the bearings.If the bending is too large,it need to replace another one.
The neck of bearings is wearable
The wearable of neck of bearings is not obvious, it can plat chromic layer on it,then grind to required size.,If worn much, it can have a surfacing on it,then cut by the lathe.If there is serious wearable, cut 2-3mm on it,then make a sleeve,wear it while it is hot,then cut to the required size.
With its high quality products such as
Wet magnetic separator,
Rotary kiln,
Stone crusher,
Ball mill,
Jaw crusher, Henan Hongxing mining machinery Co.Ltd has ascended in the front rank of the world in the exporting of mining equipments.
by: nicole
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