Robots, forging manipulators,
FITYOU robot and Bearing
The Spring Festival holidays in 2019 will be over. Taking advantage
of the happy atmosphere of the festival, Fityou ready to start
work. wish 2019 a better future.
In the new year, we will intensify our efforts in "technological
innovation, customer service", recommend better robotic automation
products to customers, and create maximum benefits for customers.
Intelligent bearing is our main promotion project of Fityou in
2019. We provide customers with automatic forging production line
of bearing rings, including automatic forging manipulator of
bearing rings, automatic turning manipulator of bearing rings,
automatic hole enlarging machine of bearing rings and other
complete sets of equipment. Welcome to visit and exchange guidance.
FITyou is seeing an increase in demand for its robust, high
performance range of spherical roller bearings, which are suitable
for harsh operating environments.
Ideal for heavy duty industrial applications, particularly where
very high load carrying capacities and reliability are key design
criteria, or where there is a need to compensate for shaft
misalignment, Schaeffler’s range of X-life spherical roller
bearings offer longer operating life, improved machine performance
and higher reliability.
The X-life range, which includes eight bearing series with bore
diameters from 20mm up to 1,030mm, is suitable for various
applications, including continuous casting machines used in steel
processing, paper mills, vibrating screens and wind turbine rotor
Spherical roller bearings are double-row, self-contained units that
comprise solid outer rings with a spherical raceway, solid inner
rings and barrel rollers with cages. The inner rings have
cylindrical or tapered bores.
Many bearing sizes within the spherical roller bearing range are
available in X-life quality. As standard, these bearings have no
central rib on the inner ring and are therefore able to use longer
barrel rollers. Furthermore, the bearings benefit from improved
kinematics and optimised surfaces. As a result, the basic dynamic
load rating and basic rating life (under similar operating
conditions) are improved significantly.
At FITyou , the systematic calculation of basic load ratings is
compiled in the method “Method to investigate rolling bearing
rating life”. This describes all calculation and test methods that
are necessary in order to determine all the reference values that
influence rating life.
For the customer, these benefits translate into higher machine
availability, new design possibilities, more economical bearing
solutions due to downsizing and lower operating costs due to
reduced energy consumption.
Continuous casting machines
X-life spherical roller bearings are used as locating and
non-locating bearings on continuous casting machines used in steel
processing. The compact design of the bearing, combined with
improved basic load ratings and friction-optimised kinematics,
provide improved performance and longer operating life in tough,
aggressive operating environments such as steel processing. The
sheet steel cages provide excellent resistance to wear and
contamination. FITyou also provides sealed spherical roller bearings in X-life quality
for many continuous caster sizes. The standard dimensions enable
easy mounting and replacement of existing bearings.
The distinct advantages of using FITyou ’s spherical roller
bearings means that these bearings are ideally suited to paper
production applications. Where needed, the conversion of a standard
spherical roller bearing to X-life quality.
Higher basic static load ratings lead to improvements in the static
load safety factor of the bearings. Under similar operating
conditions, this means that significantly longer bearing life can
be achieved, even with a considerable increase in load.
Due to their robust design and high load carrying capacity,
spherical roller bearings in FITyou ’s premium quality X-life
rating offer optimum solutions for vibrating screens. The low
friction characteristics of the X-life bearings not only withstands
the very high alternating loads that occur in vibrating screens,
but also help to reduce noise levels and operating temperatures,
resulting in improved machine efficiency. Spherical roller bearings
for vibrating screens have specific specifications to meet the
special requirements of the application.
Wind turbine rotor bearings
The latest member of the X-life spherical roller bearing family are
those working as the main shaft bearing in wind energy turbines.
In a wind turbine, the design of the rotor shaft bearing is
critical, as this bearing is directly exposed to the loads and
forces induced by the wind. Alternating loads with extreme peaks
and troughs, as well as fluctuating operating temperatures
represent further challenges to the bearing designer. In addition,
high axial loads coming primarily from one direction, are uncommon
application conditions for a spherical roller bearing. In order to
improve reliability, availability and therefore the cost
effectiveness of wind turbines, Schaeffler has optimised its
spherical roller bearings for main rotor bearing supports. This
bearing design is used exclusively on the shaft bearing support –
the most common bearing support concept.
To optimise the bearing, both its micro- and macro-geometry were
addressed. The result is conclusive: it was possible to reduce
friction and pressures in the bearing, to improve the distribution
of forces and to increase the axial rigidity. These optimised
spherical roller bearings therefore have greater resistance to
wear, which specifically occurs as a result of axial displacement.
These bearings successfully completed a comprehensive range of
tests as part of their validation.
The asymmetrical design of spherical roller bearing represents a
significant step forward. It substantially increases the axial load
carrying capacity and therefore the operating life of main bearings
in wind turbines. It allows a larger contact angle to be used on
the bearing row subject to axial loads and a smaller contact angle
on the bearing row subject primarily to radial loads. This has
resulted in improved load distribution, lower contact pressures and
a significant reduction in the axial displacement.