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The correct selection can increase the service life of the slewing bearing
Publish time:2021-07-30The service life of the slewing bearing is a general concern. In the selection and design stage of the slewing bearing, the service life of the slewing bearing can be obtained through theoretical calculations, but the theoretical service life is always not reached in practical applications, mainly analyze the ways to increase the life of ...
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What are the commonly used types of slewing bearings?
Publish time:2021-07-30The slewing bearing is a mechanical part that supports two components for relative rotation movement. It is composed of six parts: outer ring (with or without teeth), inner ring (with or without teeth), rolling elements (steel balls or rollers), spacers or cages, seals and grease nipples. Slewing bearings have a wide range of applications in var...
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Why does the slewing bearing shake after installation?
Publish time:2021-07-28With the rapid development of the machinery industry, slewing bearings have been widely used in marine equipment, engineering machinery, light industry machinery, metallurgical machinery, agricultural machinery and other industries. In the process of installation and use, improper use or maintenance of the slewing bearing may cause various probl...
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A qualified slewing bearing requires a lot of people’s efforts
Publish time:2021-07-28Slewing bearing production and manufacturing generally follow this order: forging-tempering-turning-quenching-gear machining-matching clearance-assembly and delivery. The manufacturing of slewing bearings requires lathes, gear machining equipment, quenching equipment, grinders, etc. Everyone often sees these equipments and they are all familiar ...
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How to improve the service life of slewing bearings of large mechanical equipment?
Publish time:2021-07-28Slewing bearings play an important role in large machinery and equipment as transmission components. Slewing bearings for large machinery and equipment require large axial loads, large tilting moments and large radial loads, such as stacker-reclaimers, overweight transport machinery, port cranes, ladle turrets, shield tunneling machines, etc. Th...
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Introduction to the assembly process of the slewing bearing
Publish time:2021-07-271.Slewing bearing parts inspection Check the appearance for bumps or rust spots. If there are serious bumps, rework treatment, check the shape and size, check whether the workpiece is consistent with the assembly drawing to avoid missing procedures and rework after assembly, carefully check the inner and outer ring raceways to find the soft area...
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What materials are the parts of the slewing ring?
Publish time:2021-07-26The slewing ring is composed of inner ring, outer ring, rolling element, seal, cage, oil injection nipple and other parts. What we usually see is the finished slewing ring. What materials are used for the various parts of the slewing bearing? What are the characteristics of various materials? Unique Transmission will tell you one by one. ...
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How to process the slewing bearing raceway after quenching?
Publish time:2021-07-26There are many types of raceways for slewing bearings. Four point ball slewing bearings have circular-arc raceways, crossed roller slewing bearings have right angle raceways, three row roller slewing bearings have flat raceways. There are generally two ways to process the raceways after quenching, grinding machining and CNC finish machining. Let...
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What is the cause of the slewing ring damage?
Publish time:2021-07-25The slewing ring will be overloaded due to its own problems in use, unreliable sealing equipment, inadequate maintenance, etc will cause premature damage to the slewing ring raceway and rolling elements. The following are several reasons for the slewing ring damage. 1.Slewing bearing rings broken This situation often occurs on heav...
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Introduction to the correct installation method of slewing ring
Publish time:2021-07-25Slewing ring is a very important transmission component in mechanical equipment. It has been widely used in various industries. When installing, you need to master the correct installation method to ensure the smooth operation of the equipment. Based on previous installation experience, we have summarized the essentials of installing slewing bea...
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How often do you add grease to the slewing ring?
Publish time:2021-07-24The lubrication of the slewing ring generally uses grease, lithium-based grease is very commonly used. The most commonly used is No. 2 lithium based grease. According to the different working conditions of the slewing ring, such as temperature, speed, load, etc, also choose special greases, such as low temperature grease, high temperature grease...
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How to choose the clearance of the spur gear slew drive?
Publish time:2021-07-23The clearance of a spur gear slew drive refers to the clearance of a slewing ring installed inside a spur gear drive, so how to choose the clearance of the spur gear slew drive? Before talking about this issue, we need to understand the definition of the clearance. Bearing clearance is the backlash between the rolling elements of the bear...