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Selection and operation conditions of oscillating machine bearings

Source: China Bearing Network Time: 2017-11-03

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High loads under severe conditions The roll bearing support systems in these equipments need to meet higher specifications: shock loads and high speed conditions; acceleration; centrifugal forces that occur during oscillation and rocking require bearings to be extremely functional. : It is necessary to accept centrifugal acceleration of 550 m / s 2; can withstand harsh environmental conditions; such as high temperature difference; it is necessary to accept the misalignment of the shaft; the misalignment of the shaft will occur more in the equipment and the supporting rolling bearings More pressure.
In order to ensure the long-lasting and energy-saving operation of the oscillating equipment; it is necessary to know the needs of the application process accurately. In addition, it must rely on the deepened product common sense; professional bearing selection and drawing of things. FAG bearing cylindrical roller bearings are used in the oscillating machine It has shown its outstanding features. Its features include low conflict; smooth operation; high dynamic load and static bearing ability.
Example 1: Bearing support of the unbalanced shaft of the oscillating roller
LSL cylindrical roller bearings have a common disc-shaped brass cage. Due to the special depiction of the flat disc, the mass of the cage itself and the entire bearing is reduced. The deceleration of the roll body outside the load-bearing area becomes variable. The other advantage is that this bearing can accommodate more rolling bodies. This also makes it have a higher extra dynamic load and service life than traditional cylindrical roller bearings. LSL conflicts than full Cylindrical roller bearings are nearly 50% lower; they can be operated at lower temperatures and input power; the noise is also more. The brothers are blinded by the lemon. The misalignment of the shaft can pass through the inner ring with a special raceway surface. Raceway conditioning.
Example 2: Bearing support for unbalanced conditioning equipment in an oscillating pile driver This application also uses the bearing support of the unbalanced shaft depicted in Example 1. They ensure a reliable operation at a pole centrifugal acceleration of up to 550 m/s2. The unbalanced conditioning equipment features special bearing support. The conventional bushings used in the past have the characteristics of high conflict and easy wear; so that it takes longer to adjust the unbalanced equipment. Because of the new calculation method and specific application common sense The Schaeffler Group Industrial Division developed special bearing support equipment using RNA needle roller bearings; reduced collision and conditioning time by nearly 40%. The shaft and housing were also delineated from the beginning. Together; required for reversal movement The driving force is also reduced. This means that the change from sliding bearing to roller bearing brings about significant changes in energy consumption.

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