The slewing bearing is a large-scale bearing whose surface is like a plate, so it is called a slewing bearing. The slewing bearing can accept 3 kinds of bearing capacity at the same time, so it is widely used in the machinery industry.
Slewing bearings are generally composed of inner ring, outer ring and rolling elements. The slewing bearing must rely on the outer ring or the inner ring as the support body when it is working, and then rely on the rolling of the rolling body to achieve rotation. Although the structure of the slewing bearing is quite different, there are still different types. According to current industry standards, there are five types of combined three-row cylindrical roller slewing bearings, interspersed tapered roller bearings, interspersed cylindrical roller bearings, four-point contact ball slewing bearings and double-row angular contact thrust ball slewing bearings. The excavator should use a slewing bearing of about 760. The slewing bearing is a new type of mechanical component that has gradually emerged in the world in the past 40 years. It consists of inner and outer rings, rolling elements, etc.
Therefore, the effect of the slewing bearing of the excavator is obvious. The slewing support of the excavator realizes the rotation of the device through the effects of friction and smoothness, which can drive mechanical propaganda in the excavator and provide support capabilities. However, the slewing bearing of the excavator has a shortcoming in its own design, and it will leak oil from time to time. Therefore, it is necessary to check whether the slewing bearing of the excavator is leaking at regular intervals, and add smooth oil every 100-500 hours to avoid affecting the normal operation of the slewing bearing of the excavator.
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