Vertical mill coal bearing housing and bearing and roller roller body wear common problems, such as online repair

2, common trouble phenomenon and the reason analysis 2. 1, bearing wear of the bearing chamber wear reason has a lot of, in addition to here more stress the main reason is the resolution of the bearing chamber of metal material properties, metal is high hardness, but concession ( Cannot recover after a deformation) Poor, shock resistance, fatigue resistance is poor, and therefore easy to form the adhesive wear, fatigue wear, bearing outer ring and the bearing chamber fretting wear and so on. 2. 2, bearing wear equipment in the process of long-term operation, the bearing temperature rise, at the same time accept the axial force and radial force, cause the interference between shaft and bearing the size of metal fatigue and presents the tolerance clearance, makes the bearings with bearing a relative motion and aggravate the wear, also in the process of the quality problem of the bearing itself and the use of smooth remaining does not reach the designated position, also easy to form bearing wear. 2. 3, roller roller body wear the cause of the forming roller wear is normal due to roller roller outer skin after long time operation form wear, companies often choose to roll skin to stop welding, and roll skin every welding will produce a slight deformation, surfacing, the more the thicker the thickness of the overlaying welding, the greater the deformation, so it cannot assure arc degrees, at the same time also has the effect of thermal stress, roll skin appears small crack, forming roller skin with the roller body presents the clearance of the roller body wear, another reason is due to the equipment operation in the process of use, due to uneven material for roller radial impact, produce larger vibration easily bolted looseness, if not timely fastening bolt adhere to good pre-tightening force extremely easy to cause the bolt pre-tightening force not incur mating surface rendering fit clearance, will make between ontology and roll leather wear, maintenance repair, of course, is not in time to form the cause of this problem, roller wear is a hour late did not stop to repair in time cause wear is bigger and bigger until roll skin damage equipment downtime. 3, traditional repair form and the blue form at the site in 3. 1, the traditional repair form about roller roller body wear and bearing, bearing housing and other transmission parts wear and tear, the traditional process often use after repair welding machine, or use the process to stop treatment such as electroplating, but no matter what technology, its biggest flaw is necessary will remove transportation equipment large, put into the manpower to compare big. Additional repair welding high temperature thermal stress cannot complete alleviation, cause material damage, cause components appear crack; And brush plating coating thickness restrictions, easy to peel, and the above method is done with metal repair, can't change 'hard in hard' cooperate relationship, and cannot reach 100% matching surface, under each force in collaboration with, still can form to wear again. 3. 2, the blue field repair form f the blue repair process, to adopt different according to different wear repair plan. F the blue polymer composite material has excellent bonding power and mechanical performance, not only the strength and hardness of metal, and its concession, application of polymer composite materials to repair can free disassembly, free machining, no repair welding thermal stress effect, repair the thickness is not restricted, to ensure that repair precision and satisfy the device request. Application technology of the polymer composite materials can make the enterprise field repair quickly and efficiently in the first place, and the repair cost was lower than those of traditional repair process, the ordinary accounting according to wear is the amount of polymer composite materials, further accounting capital repair, effectively prevent various time and economic losses, and polymer composite materials to repair belongs to cold welding technology, there is no problem such as thermal stress, can effectively prevent secondary damage of base material. Such repair data by blessing the blue metal repair 2211 f performance is more reliable. 4, the blue repair technology attention to item 4 and application of image information. 1, the blue repair process pay attention to item 4. 2, 1) application of image information The bearing chamber wear the application at the site picture 2) Bearing wear the application at the site picture 3) Roller roller body wear the application at the site photo 5, conclusion of zibo f the blue company since it was founded in 2002, and application of the comprehensive performance of composite materials, customized corresponding repair plan and rigorous scientific restoration plan, changes of the traditional repair wrist, the user completed on-site repair problems for a short period of time, ensure the normal operation of equipment; Process cumbersome, cost is low, the scene without big demolition, completed the reasonable control of the consumption capital. In addition to the above, the blue technology products and other equipment in the cement industry transmission parts wear, PaoMaoDiLou, heat exchange equipment cleaning, etc, there is a general application, not only saves maintenance funds for the enterprise, is the most important for enterprises to build the production downtime, also save manpower material resources, is the enterprise trusted cooperation partner.