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/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Home>Bearing knowledge>Scratch and device method for thrust bearing Grinding and device method for thrust bearing
First, the effect of the thrust bearing and the layout of the cone crusher thrust bearing effect is: support the empty eccentric shaft; reduce the work resistance of the empty eccentric shaft. Together; the accuracy of the device directly affects the meshing clearance of the bevel gear; ensure a reasonable space The eccentric shaft bushing cooperates with the main shaft to prevent the "speed" from appearing. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
2. The grinding of the thrust bearing is in the working process of the crusher; the upper circular plate of the thrust bearing is connected with the hollow eccentric shaft 1 by a pin; and is transformed accordingly; the lower three-claw circular plate 5 passes through the peripheral three-claw and The bottom cover 7 is inlaid; the middle circular plate 3 and the middle circular plate are relatively slid. Then a total of 3 sets of touch surfaces are between the parts and the parts; between the parts 3 and the parts 4; between the parts 4 and the parts 5 Grinding to ensure its outstanding working condition. The purpose of the grinding is to make the flat bearing evenly pressed; to create conditions for the smoothness of the liquid. The whole process can be divided into two parts: rough scraping and fine scraping. Flatness of the touch surface; optional red and pink powder can be used to detect the two touch surfaces to change in a clockwise direction; the second time can be reversed in the direction of the research; in the future, interspersed for the research. Then start Rough scraping; scraper can be used with a 25mm flat-blade special blade or a slightly larger diameter. When rough scraping, the touch surface will be scraped off after grinding; if there is no touch, no scraping is possible; the knife movement interval is not more than 25mm; the scraping knife The traces should be hook-shaped. Repeat the scraping after grinding. Each scraping can be saved. Some touch points. When the two touch points are evenly distributed, the monthly scraper can scrape the oil storage point; at this moment, it should be paid attention to from the middle of the circular plate; the larger the diameter; the better the touch point demand distribution point should be. The touch point between the two touch surfaces should be no less than 3 points per 25mm X 25mm. The same method can be used for the three kinds of touch surfaces. Consider the different materials of the round plates; The hard circular plate is firstly scraped; and this is used as the reference surface. The uneven touch point on the touch surface or too many touch points will affect the flat working condition of the plane bearing. It is found repeatedly in the on-site fault repair. The moving speed of the claw circular plate is not zero; the three claws on the three-claw circular plate are damaged; the weighted circular plate (friction plate) is worn in a circumferential direction; after the wear, the circular shape becomes an irregular ellipse; The machine presents a problem or forms a "speeding" appearance.
Third, the thrust bearing device ensures that the accuracy of the thrust bearing on the cone crusher is a necessary condition for the normal operation of the crusher. The device can be as follows:
(1) The device for pushing the uranium bearing should be ensured in the order of the touch surface between the two.
(2) The three-claw circular plate should be placed in the bottom cover first; the casting burrs and the remaining molding sand should be cleaned; then the smooth oil should be poured to the level of the three-claw circular plate. Orientation to detect whether it can be stable. Detecting that the spreader can be quietly impacted around the three-claw disc; if the oil splashes from the circumference of the disc, it proves that there is still a gap between the three-claw disc and the bottom cover; it should be sorted and repaired from the beginning.
(3) Then the middle circular plate and the circular plate are arranged in sequence; the detection method can still use the above method.
(4) The final device eccentric shaft, spherical pedestal and main shaft. When the eccentric shaft is hoisted; the large gear counterweight should be placed above the small bevel gear; the outer end of the bevel gear is aligned; after the spherical tile device; the spherical bearing should be made As far as possible, the machine base should be used for interference cooperation; it should not be loose. Time to measure three data: conical bevel gear gap a, gap b between the main shaft and the taper sleeve, empty eccentric shaft end face and spherical bottom frame gap c.
(5) Inductively consider the above three data to consider the gap piece of the anti-cone bearing; that is, the orientation of the three-claw disc and the bottom cover of the machine. The gap piece is made of general plate; however, the thickness of the steel plate is prevented as much as possible to complete. If the gap is greater than 3. 5mm or more; should consider the bottom cover of the machine and the joint of the frame to reduce the thickness of the gasket or directly lower the total height of the bottom cover; according to the site experience.
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Grinding and device method for thrust bearing
Source: China Bearing Network Time: 2018-04-28