Latest Products
We keep on updating and iterating our products, optimizing the structural design and creating a more scientific and reliable slewing drive device.
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Small aluminum housing gear type slewing d...S-I-O-0169 spur gear slewing drives are used on small automation equipment, where the customer has extremely high req...
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The heavy duty inner gear slewing drive sc...The S-III-I-0755 spur gear inner gear slewing drive with the same direction design makes the mounting surface on the ...
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Gear type slewing drive with integrated ca...S-II-O-0541 gear type integrated base slewing drive is used on special automation equipment. The customer has precise...
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Vertically mounted high torque worm gear w...Unique Transmission Equipment (Luoyang) Co., Ltd. has designed a type of large module, high torque, vertically mounte...
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Precision slewing bearing clearance selection and actual application
Publish time:2021-08-12In order to let the precision slewing bearing to rotate smoothly to obtain an ideal runout value when in use, the clearance value will generally be small, zero or negative when designed and manufactured, the corresponding clearance value is generally 0 to 0.05. ≤0, -0.05 to -0.01, the corresponding preload is: no preload, light preload, heavy pr...
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The importance of the difference between the two raceways of the double row ball slewing bearing
Publish time:2021-08-12Slewing bearings have unique load characteristics and are usually used in hoisting machinery, excavators, slewing tables, wind turbines and other equipment. The four point contact ball structure slewing bearing below three meters is mostly, load size determines the slewing bearing’s height, diameter and the size of the raceway steel ball. ...
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How to measure the slewing ring diameter?
Publish time:2021-08-09In the final grinding and matching clearance of the slewing bearing, the raceway diameter must be tested to avoid repeated trial installations. So, how to measure the slewing bearing raceway diameter? There are many methods to inspect slewing bearing raceway diameter, some use callipers clamp two steel balls to make test, some calculate measurin...
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What factors need to be considered in the selection of slewing bearing?
Publish time:2021-08-09Slewing bearing can bear axial load, radial load, tilting moment, etc. at the same time, it can deal with the load situation. For the equipment, it is a key component for connecting up and down. It can realize support, rotation, transfer kinetic energy, fixed parts and other functions. So when the equipment needs a slewing bearing, how should we...
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How to improve the slewing bearing’s gear processing efficiency?
Publish time:2021-08-09Slewing bearing is a kind of large bearing that runs at low speed and at the same time bear heavy load, usually with gears on the inner ring or outer ring, used to connect large parts that require relative rotation. It is widely used in construction machinery, wind power equipment, port machinery and other fields. The gear machinin...
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Why do slewing bearing gears need to be ground?
Publish time:2021-08-09With the continuous development of industrial machinery, there are higher and higher requirements for the transmission stability, transmission accuracy and load capacity of the motor driven pinions and the slewing bearing gear rings. Regarding the slewing bearing, no matter the external gear slewing bearing or the internal gear slewing bearing, ...
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Why not use spring washers for mounting bolts of slewing bearings?
Publish time:2021-08-06The installation and operation manual of the slewing bearing tells everyone that spring washers cannot be used when installing the connecting bolts of the slewing bearing, So if use spring washers, what impact will it have on the slewing bearing? Why the spring washers are widely used in other mechanical equipment, but can not be used on ...
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What is included in the heat treatment of the slewing bearing?
Publish time:2021-08-06The function of heat treatment of slewing bearing is to improve the material mechanical properties, eliminate residual stress and improve the metal machining properties, different heat treatments are adopted at different stages in the processing of slewing bearings. Commonly used are annealing, normalizing, aging, tempering, quenching, nitriding...
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Technical analysis of slewing bearing material (42CrMo)
Publish time:2021-08-04Large slewing bearings and high precision slewing bearing rings are generally made of alloy structural steel 42CrMo, which has good mechanical properties, high strength and toughness, after being tempered (Q+T), it has the characteristics of fatigue resistance, impact resistance and good low-temperature impact toughness. Let’s get to know ...
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Introduction to the protection level of the spur gear slew drive
Publish time:2021-08-04The protection grade is represented by IP X X. IP is the acronym for INGRESS PROTECTION and X X is two numbers. The first number indicates the dustproof level of the spur gear slew drive and the level of preventing foreign objects from intruding (foreign objects including tools, foreign objects, human fingers, etc. can not touch the inter...
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How could we increase the slewing bearing service life?
Publish time:2021-07-31A well-designed slewing bearing can greatly increase the service life of the slewing bearing as long as it is properly operated and used, whether it is installation, use or later maintenance. 1.Installation of slewing bearing Regarding the slewing bearing installation, first the step must be placed in right location, the mou...
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What problems will affect the service life of the slewing bearing?
Publish time:2021-07-30The slewing bearing is an important core component of the equipment rotation. If the slewing bearing fails during the operation of the equipment and cannot rotate normally, it will cause the equipment shutdown and production paralysis. Replacing the slewing bearing is generally very troublesome, therefore, everyone generally chooses relia...