here (PDF, 24.8 MB) - InnoTrans

K
KBG Kunststoffbearbeitung: Bogie pivot bearings
for freight cars
The latest development in the freight car field is currently a singlepiece
plastic sliding insert which, in most cases, is pressed into the
bogie pivot. Once the car body has been placed in position the upper
pivot rests on the plastic, permitting the pivoting movement while the
car is in motion. The coefficient of friction and the wear, and consequently
the functioning and life of the bearing are dependent on the
plastic material and the condition of the upper pivot. This problem
does not arise with the two-part bogie pivot bearing made by KBG
because, in this case, the pivoting movement takes place between
the two plastic bearings. Among the advantages are a constant coefficient
of friction, reduced wear and the fact that it can be used to
replace existing systems. Even after two years use cars fitted with
the bogie pivot bearings can be expected to continue to run correctly
and without any problems, as has been confirmed by initial tests carried
out by ÖBB (Austrian Federal Railways).
KBG Kunststoffbearbeitungs GmbH, A-Spielberg
Hall 21, Booth 138
Robert Exel
+43 (0)664-1222852
office@exelsolutions.at
www.kbg.at
Two-part bogie pivot bearing
Knorr-bremse systems for rail vehicles:
Oil-free compressor in a sound capsule
Knorr-Bremse is exhibiting an interesting sound insulation solution for
rail vehicles at InnoTrans 2012 in the form of an oil-free compressor
installed in a sound capsule. A number of measures are used to effectively
cool and muffle the enclosed compressor. These range from
a sound trap to insulating materials and a sophisticated sound suppressor.
The compressor is provided with a special suspension system
which ensures that hardly any vibration is allowed to escape. All this
is achieved within a very limited space. The sound capsule surroun-
ding the compressor also has to be able to resist a number of external
influencing factors. For example, on the Russian market the capsules
and compressors have to withstand extreme cold, with temperatures
that fall to minus 50 degrees Celsius. To prevent the interior of the
sound capsule from becoming too hot Knorr-Bremse has developed a
mechanically operated radial ventilator which is connected directly
to the compressor. As soon as the compressor starts up it automatically
begins to rotate, carrying hot air from the interior of the capsule.
Knorr-Bremse,
D-München
Hall 1.2, Booth 202
Silvia Reichert
+49 (0)89-3547180576
silvia.reichert@knorr-bremse.com
www.knorr-bremse.com
Compressor sound capsule
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