WORLD OF INDUSTRIES - MOTION, DRIVE & AUTOMATION 5/2017

03 INA bearings type AXS make a convincing case, particularly thanks to their low weight and
minimized design envelope combined with respectable load ratings
the shaft end, while the outer ring is centered in the housing bore.
The AXS series utilizes only the quantity of material that is absolutely
essential for the rolling contact. They are always used in pairs
and were developed for combined axial and radial loads. While SGL
bearings generally have a contact angle of 45°, AXS bearings are
available with both a 45° and a 60° contact angle for axial loads. AXS
angular contact roller bearings are used in applications with swiveling
operations or low speeds, such as gearboxes for precision solar
panel tracking or in actuators and feed drives for machine tools.
They also prove their potential when implemented in painting robot
hand axes at Dürr: The minimal weight, small cross-section of
the bearings and the high rigidity of the roller contact allows a lightweight,
thin-walled construction to be created with a very high load
carrying capacity and plenty of free space for the paint hoses to pass
through. This together with the high tilting rigidity of the bearing
support makes precise spray painting lines and a perfect spraying
pattern to be achieved. What is more, the bearings are very affordable
because the rings are manufactured using forming methods.
“Our cylinder roller-based SGL and AXS bearing series completely
fulfills the demands for minimal design envelopes
combined with high load carrying capacities and high rigidity
that are placed on output side bearing supports in robotics
and precision gearbox manufacturing today. Particular focus
must be placed on the design of the bearing support. Calculating
the rigidity of SGL and particularly the AXS bearings is
no small matter either. We can provide our customers with
optimum assistance here using Bearinx, our software tool for
calculating shaft system rolling bearings and linear guidance
systems, and also with our enhanced CAE calculation tools.
In Bearinx, we calculate the individual rolling contact and
displacement of the bearings and also that of the shafts and
gear teeth – in other words the entire system.”
Photographs: Schaeffler
www.schaeffler.com
MACHINE ELEMENTS
About Schaeffler AG
The Schaeffler Group is a global automotive and
industrial supplier. By delivering high-precision components
and systems in engine, transmission, and chassis
applications, as well as rolling and plain bearing solutions
for a large number of industrial applications, the Schaeffler
Group is already shaping “Mobility for tomorrow” to
a significant degree. The technology company generated
sales of approximately EUR 13.3 billion in 2016. With
around 87,900 employees, Schaeffler is one of the world’s
largest family companies and, with approximately 170
locations in over 50 countries, has a worldwide network
of manufacturing locations, research and development
facilities, and sales companies.
04 Dipl.-Ing. Hans-Georg Kierdorf is an application engineer for
industrial gearboxes at Schaeffler
WORLD OF INDUSTRIES – MOTION, DRIVE & AUTOMATION 5/2017