Compressor tilting pad journal bearings

Compressor tilting pad journal bearings

Bearing bore diameter range:30-708mm

Speed range:5000rpm-80000rpm

Maximum linear speed:120m/s

Average pressure:2.6Mpa

Pads base material:42CrMo or Cu-Cr

Bearing with fix thrust or tilting pad thrust

Pad number:4-pad,5-pad

Pivot offset:0.5,0.55,0.6

Different design style

With RTD,lower temperature rise

Pads with line pivot or spherical pivot

Babbitt (Tegostar 738) meets Europe REACH requirements

E-mail : [email protected]

Compressor tilting pad journal bearings Details

    This is a tilting pad type journal bearing consisting of a number (generally five or four) of arcuate journal pads retained within an annular shell and associated end plates.The bearing will accept radial load in any direction and is particularly useful under high speed, light load conditions where bearing instability may be encountered with other types of journal bearings.
     Several basic types are produced, all based around the same journal pads.The differences in these basic types are in the housing seat configuration and whether a thrust face is incorporated.
     The radial pads are constructed so they are free to tilt in the bore of the shell.This action assists in the generation of the hydrodynamic oil film at each pad and is basic to the inherent stability characteristics of this type bearing.
      Bearing clearance and preload are key parameters affecting bearing performance, it has great influence on the performance of bearing power loss, oil film temperature and thickness, lubricating oil flow, the stiffness and damping parameters, and so on. Bearing assembly clearance and preload was the response of the relationship among rotor diameter, pad diameter and bearing assembly.
       The reasonable bearing clearance is related with the speed, in order to make the standard pads use for rotors with different speed, usually to adjust the bearing clearance by changing the rotor diameter. This basic hole system make standard series bearings can be suitable for various working conditions.Our bearings are exchangeable of waukesha bearing,kingsbury bearing,atlas  bearing,IHI bearing.

Application:Middle,high speed and middle,heavy load machines,such as compressors,gearboxes,turbines and pumps.etc.

About Us

Zhejiang BHS Journal Bearing Co., Ltd. is a professional Compressor tilting pad journal bearings Manufacturers and Compressor tilting pad journal bearings factory, has been focusing on slide bearing’s design, manufacture, experiment and fault diagnosis for many years, BHS has become an excellent supplier of solutions for sliding bearing systems in China.

The company has more than 50sets of precision CNC machining center, Babbitt alloy casting equipment, Babbitt alloy sprayer, heat treatment, and other equipment. The annual production capacity of 26,000 sets of slide bearings. Through continuous technological research, the company has the ability to manufacture various types of slide bearings.

Our company approved by ISO:9001-2015, ISO:14001-2015, ISO:45001-20018, Standardization Safty production Certificate, National High-Tech Enterprise certificate, Provincial High-Tech Enterprise certificate, Military supplier certificate and variety of patents 30 kinds.

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Industry Knowledge Expansion

How to usually choose the lubrication method of compressor tilt pad radial bearing

There are usually two options for lubrication of compressor tilt pad radial bearings: oil lubrication and oil-air mixed lubrication.
In the oil lubrication mode, a complete grease lubrication system needs to be provided, including oil tanks, oil pumps, oil filters and other components. The main function of this system is to ensure the supply and circulation of grease to ensure the normal operation of the bearings.
The first is the oil tank, which is used to store grease. It is generally located at the bottom of the compressor and is connected to the grease supply system through pipes. The oil pump is installed inside the oil tank and is responsible for delivering grease to the bearings. The oil filter is used to filter impurities and pollutants in the grease to ensure the purity of the grease.
The advantage of oil lubrication is that it has good lubrication effect, can effectively reduce friction, and reduce energy consumption and losses. At the same time, due to the existence of the oil and grease circulation system, it can ensure that the bearings always have sufficient supply of grease, improving the life and stability of the bearings.
Another lubrication method is oil-air mixed lubrication. In this way, a mixture of gas and oil vapor is injected into the bearing gap to form a lubricating film, which reduces friction.
The advantage of the oil-air mixed lubrication method is that it is simple and economical and does not require an additional grease lubrication system. Since the injected gas and oil vapor can form a lubricating film in the bearing gap, friction is reduced and energy consumption can be effectively reduced.
However, the oil-air mixed lubrication method also has some disadvantages. First, due to the injection of gas and oil vapor, internal contamination of the bearing may occur; secondly, the formation and maintenance of the lubricating film requires controlling the pressure and flow of the injected gas and oil vapor and maintaining stability, otherwise the lubrication effect will be reduced.
No matter which lubrication method is used, correct lubrication is the key to ensuring the normal operation of the bearing and extending its service life. Therefore, in practical applications, the appropriate lubrication method should be selected according to the specific working conditions and requirements of the compressor, and the reliability and stability of the lubrication system should be ensured to improve the performance and service life of the bearings.

Can tilting pad radial bearings ensure precise operation of the compressor?

Tilting pad radial bearings play an important role in industrial equipment. They can accurately guide the movement trajectory of the shaft and control the tilt and rotation angle of the shaft, thereby ensuring the precise operation of the compressor.
Tilt pad radial bearings are a critical component commonly used in compressors and other rotating equipment. They are composed of inner and outer radial raceways and inclined tilting pad rollers, which can generate an automatically adjusted axial force between the rollers and the raceways to maintain the tilt and rotation angle of the shaft. By adjusting the position of the rollers, tilt pad radial bearings can precisely control the tilt angle of the shaft and ensure the correct alignment between the shaft and the stress point.
The adjustment of the tilt angle is one of the main functions of the tilt pad radial bearing. The angle of the tilted shaft will directly affect the working efficiency and stability of the compressor. If the shaft is tilted at an incorrect angle, it will cause asymmetrical forces between the shaft and the load point, causing vibration, noise and wasted energy. The tilting pad radial bearing can adjust the position and angle of the rollers to maintain an ideal alignment angle between the shaft and the stress point, thereby ensuring stable operation of the compressor.
In addition to adjusting the tilt angle, the tilting pad radial bearing can also control the rotation angle of the shaft. In rotating equipment such as compressors, the rotation angle of the shaft has an important impact on work efficiency and accuracy. If the rotation angle of the shaft is unstable or wrong, it will cause the equipment to run unstable, thus affecting product quality and production efficiency. The tilting pad radial bearing can maintain the stable rotation angle of the shaft by adjusting the position and angle of the roller to ensure the precise operation of the compressor.
Tilt pad radial bearings offer several advantages that make them ideal for compressors and other rotating equipment. First, because tilt pad radial bearings can accurately guide the movement path of the shaft, they can improve the efficiency and accuracy of the equipment. Secondly, the adjustment function of tilt angle and rotation angle ensures the correct alignment between the axis and the force point, thereby reducing energy waste and equipment loss. In addition, tilt pad radial bearings also have good wear resistance and corrosion resistance, which can extend the service life of the equipment.
Tilt pad radial bearings play a key role in compressors and other rotating equipment. By accurately guiding the motion trajectory of the shaft and controlling the tilt and rotation angle of the shaft, the tilting pad radial bearing ensures the precise operation of the compressor. Benefits include increased work efficiency and accuracy, ensuring correct alignment, extending equipment life, and more.

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