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QWhat is SLEWING RING BEARING?

ASlewing bearing is also called rotary bearing. Some people also call it: slewing bearing and slewing bearing. English names are: slewing bearing, slewing ring bearing, turntable bearing and slewing ring. The slewing bearing is widely used in the real industry, which is called "the joint of the machine". It is an important transmission part of the machine which needs to make relative rotary motion between two objects and bear axial force, radial force and overturning moment at the same time. With the rapid development of machinery industry, slewing ring has been widely used in ship equipment, engineering machinery, light industry machinery, metallurgical machinery, medical machinery, industrial machinery and other industries.

QWhat is THE BASIC MECHANISM OF SLEWING RING BEARING?

ASlewing drive is usually composed of worm, slewing bearing, shell, motor and other components. Because the core parts are rotary bearings, they can bear axial force, radial force and overturning moment at the same time. There are many forms, but the structure is basically the same. From left and right are (upper part): 1. Outer ring (toothed or toothless); 2. Sealing belt; 3. Rolling body (rolling ball or roller); 4. Oil nozzle from left and right are (lower part): 1. Plug; 2. Plug pin; 3. Inner ring (toothed or toothless); 4. Isolation block or cage; 5. Installation hole (wire hole or smooth hole)

QWhat are THE APPLICATION AREAS OF SLEWING RING BEARING?

ASlewing bearing is widely used. Construction machinery is the place where slewing bearing is initially and most widely used, such as earth moving machinery, excavator, disintegrator, stacker reclaimer, grader, roller, dynamic compactor, rock drilling machinery, roadheader, etc. There are other concrete machinery: concrete pump truck, concrete mixing and distributing bar integrated machine, belt type distributing machine feeding machine: disc feeder, sand mixer; hoisting machinery: wheel crane, crawler crane, gantry crane, tower crane, fork crane, follow-up crane, gantry crane; foundation treatment machinery: impact reverse circulation drilling machine, rotary type Drilling rig, impact rotary drilling rig, rotary drilling rig, reverse circulation rotary drilling rig, positive circulation rotary drilling rig, long spiral engineering drilling rig, diving engineering drilling rig, static pressure pile driver, pile driver; engineering ship: dredger; special vehicle: bridge inspection vehicle, fire truck, window cleaning machine, flat plate beam carrier, aerial vehicle, self-propelled aerial platform; light industry machinery: beverage machinery, Blow bottle machine, packaging machinery, filling machine, rotary bottle machine, injection molding machine; marine crane: floating crane.

QWhat are THE METHODS TO SOLVE THE NOISE OF SLEWING BEARING?

AThere are two common solutions to the noise of slewing ring, i.e. dust noise and scar noise, as follows: (1) control method of dust sound (2) control method of scar sound (3) the noise caused by lubrication factors and its countermeasures the wrong selection of lubricant, insufficient lubricant or aging and hardening can cause the vibration and noise of the slewing bearing / rotary table bearing, and the noise has no certain rule. In this case, the only way is to select the appropriate lubricant, adjust its lubricant quantity, extend the service life of lubricant and reasonably determine the replacement cycle. (4) noise related to main engine and Countermeasures

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