Gear box bearing chamber the reason and repair case - bearing knowledge

Gear box is very widely used in industry, and as a result of the wear of gear box bearing chamber gear box can not continue to work normally, the common problems of in order to let everyone have a good understanding, China bearing network to make an introduction to the reasons of gear box bearing chamber wear, and to make repair case, hope to be of help. Gear box bearing chamber wear reasons: bearing chamber the reason is mainly due to the bad working conditions, in the process of long-term operation, the bearing chamber surface bearing outer ring of the extrusion pressure and the effect of compound mechanical force, a permanent deformation. Metal material concession sex differences, however, is easy to cause fit clearance, if not found in time and take measures, will cause the gap widening, direct the bearing chamber caused by wear and tear. The other equipment in the working process of the clutch is intermittent work, make the input shaft intermittent mechanical stress non-uniform, easy to cause the bearing outer ring rotation wear resulting in bearing chamber, a vicious cycle. Wear online repair gear box bearing chamber case: equipment data: the reducer is, in the next three layer structure, output shaft and distribution. Device name: cold rolling machine Lord reducer; The input speed: 0 - — 500/1200r /分钟; The reduction ratio: 2. 92/1. 513; Bearing model: 24152. Cold rolled the main reducer gear box has its particularity in production process, the two output shaft in synchronous rotating in the opposite direction, the impact of the production process of roll pass to force and torque are quite big, such a case the bearing chamber on the extrusion pressure is big, easy to form the shape of the eccentric wear. The maintenance technology is the use of carbon nanotubes unique mechanical properties of polymer materials and corresponding repair process online repair, including various types of reducer, or large axle shaft hole of the wear and tear. Repair process is simple: use did not wear the original standard size recovery wear parts diameter size. Maintenance technology advantage is good, stick relay with good pressure resistance, abrasion resistance and have metal comprehensive mechanics performance of elastic deformation, etc, which can realize the online repair, repair of high efficiency, - A case of a single bearing chamber can be 8 hours to complete the repair. Carbon nano polymer material similar to a cold welding technology, on-line repairing process does not produce high temperature, can be very good to protect equipment from damage of ontology, and in the process of repair is not restricted by uneven wear amount. Carbon nano polymer materials in use process does not produce metal fatigue wear and tear on the premise of normal equipment maintenance, the service life of repaired even higher than the service life of the new parts. Has a comprehensive repair low cost advantages, to the enterprise equipment maintenance maintenance provide powerful solutions, can greatly reduce the production cost of enterprises. Repair of cold rolling mill reducer gear box bearing chamber wear steps are as follows: ( 1) Overhauling the gearbox parts, confirm the bearing chamber wear state and wear volume; ( 2) Roasted with oxygen acetylene flame bearing chamber for oil processing; ( 3) In the polishing machine polishing treatment to repair the bearing chamber; ( 4) With anhydrous ethanol was carried out on the polishing of the surface of the bearing chamber cleaning; ( 5) In proportion to reconcile SD7104 carbon nano polymer materials; ( 6) In the repair parts coated carbon nano polymer materials SD7104; ( 7) With blade feet along the datum blade coating carbon nanotubes polymer molding; ( 8) With iodine tungsten lamp SD7104 of carbon nano polymer material after heating curing; ( 9) Using the new bearing bearing chamber of repair grinding show points and remove high; ( 10) In the bearing interior surface secondary daub SD7104 carbon nano polymer materials; ( 11) In the bearing outer ring tuomoji SD7000 daub; ( 12) Back pack each gear shaft parts, gear box body; ( 13) Switched on.