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Process Development of Bearing Roller


Release time:

2022-08-04

Bearing rollers can be customized with different lengths and outer diameters according to customer requirements. Bearing rollers are available in a variety of designs, series, variants and sizes. The main design differences are the number of rows of the Roller and the design and materials of the inner/outer ring flanges and cages. Bearing can handle the challenges of radial heavy load and high speed. Adapt to axial displacement, they provide high stiffness, low friction and long service life.

Bearing rollers are also available in sealed or split designs. In the sealed Bearing, the Roller is protected from contamination, water and dust, keeping the lubricant inside and removing contamination. This results in lower friction and longer service life. Split Bearing are mainly used for difficult-to-reach Bearing arrangements, such as crankshafts, Bearing the rollers simplify maintenance and replacement.

Developing high-durability Roller Bearing Bearing rollers to continuously improve the performance of wind turbine gearbox Bearing

轴承滚柱

The high-durability Bearing improves the torque power density of the wind turbine gearbox. By improving the Bearing rating life, the Bearing and gear size can be reduced by up to 25%, while improving reliability to avoid Bearing early failures. Bearing roller high-durability wind turbine gearbox Bearing relies on an optimized combination of custom steel and heat treatment processes designed to improve fatigue resistance and reliability. This optimized chemical heat treatment process improves the Bearing surface and subsurface characteristics.

The heat treatment process of the wind turbine gearbox improves the surface material properties of the Bearing parts, improves the material strength of the surface layer and below the surface layer, and can effectively cope with the high stress application conditions during the operation of the Bearing. The performance of the rolling Bearing is very high. Much depends on raw material parameters such as microstructure, residual stress and hardness.

This customized steel and heat treatment process has several benefits: increase the Bearing rating life, Bearing the roller to reduce the Bearing size under the same operating conditions; increase the load capacity of the new Bearing roller to resist the typical failure of gearbox Bearing Mode, early Bearing failure mode, such as white erosion crack, micro pitting and wear. Bearing roller

In-house Bearing bench tests and calculations show a five-fold increase in Bearing life compared to current industry standards. In addition, the internal Bearing bench test also shows that the resistance to early failure due to stress is increased by 10 times. The improved performance of the high-durability gearbox Bearing rollers means that the Bearing size can be reduced, which helps increase the torque power density of the gearbox. This is essential for the new generation of large megawatt class multistage wind turbine designs.

Key words:

Bearing roller


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