Motor bearing wear reason and repair plan - bearing knowledge
by:Waxing2020-06-12
The power source of the motor, as with all electrical or mechanical, its main function is to use mechanical energy into electrical energy.
The use of long history, and makes the motor the indispensable important equipment in industrial production.
In the face of such devices, its bearing wear is also very common, common a few kinds: 1.
Bearing grease is overmuch, the melt flow, flung to the winding, winding corrosion.
2.
Bearing improperly installed or installed pulley is not correct, the bearing force inside and outside the circle of loaded askew, the rotation is not flexible, damage of bearing heating.
3.
Bearing roller ball, inner and outer ring ball bracket serious wear and gold peeling off occur, causing the motor sound, to call JiSao boring and burned.
4.
Motor axial channeling, different size between bearing cover and coat of the bearing.
When the motor running, the rotor heat expands elongation, bearing heating.
5.
The motor end cover was not good, check the mouth not to rely on tight, or uneven bearing cover, make the ball wide orbits and fever.
6.
Protection is not good, bearing in water or dust, make the bearing can not get good lubrication and damage.
Today, maintenance technology from offline to online maintenance repair development, adopt what kind of technology is more suitable, has always been a puzzled for a long time, and the present several kind of repair, common the following kinds: overall demolition change, inlaid non-standard sets of repair welding and grinding, sauvy carbon nano polymer materials.
Remove the change to replace the new parts is the conventional way to repair, keeping regular consumable parts are also means of enterprise equipment management measures.
When removing convenient, easy maintenance usually using this method.
Low set non-standard sets of Mosaic non-standard sets of emergency repair measures is also a kind of common method.
Biggest weakness is the machining accuracy is not high, and the wear parts of the contact area is finite, easy to cause the secondary wear and greatly increase production safety repair repair welding repair welding grinding machining is one of the most common way in traditional technology, its characteristic is the repair of high precision.
Its defect is the process of repairing for axial cause stress concentration or causing shaft bending deformation;
Repair welding technology cannot avoid thermal stress problem, cause in the process of using the shaft crack and even broken danger, increase production safety hidden trouble.
Low carbon nanotubes sauvy polymer materials is above according to on-site repair sauvy carbon nano polymer material pictures.
Sauvy carbon nano polymer materials, first is sauvy carbon nano polymer material with excellent machining performance, meet the material after curing car, milling, planing, grinding processing requirements, so in dealing with the equipment problem, can according to the situation of equipment wear and the conditions at the site to make a reasonable and effective technical solution.
Second, no matter what repair plan, ensure the repaired concentricity and surface dimension is sauvy carbon nano polymer application technology of the key elements.
Sauvy carbon nano polymer materials field repair of the motor bearing a step 1.
Baked oil surface treatment;
2.
Surface polishing treatment;
3.
Allocate sauvy SD7101H carbon nano polymer materials and apply to the surface of repair parts;
4.
Installation sauvy tooling;
5.
Heat curing;
6.
Remove the tooling material after curing;
7.
Size is measured and the antipyretic bearing 8.
After the hot charging bearing assembly can be switched on.