CPT International 02/2019

the mass finishing system can deburr
components of all shapes with sizes of
up to 20 x 20 x 20 cm³, mainly made of
aluminum alloys for railway vehicles,”
Leopold Haubenberger emphasizes the
flexibility benefits of the plant from
Rösler. Above all mountings and bearing
blocks for doors, but also parts for
brakes and emergency actuation on
trains and trams, are deburred here.
“For instance for subway trains in many
major cities worldwide,” Martin Gaugusch
provides an example. The optimum
process adjustment can be seen
from the consumption of grinding
bodies: “We only need 75 kg of grinding
bodies per month now,” calculates
Patrick Eggenberger, responsible for the
vibratory finishing machine. “The parameters
are individually set for each
deburring process, for example bearing
components on train doors.” Whereby
the throughput time and input cycle of
the parts are determined, i.e. how long
the machine should run for. The throughput
time varies between 10 and 20
minutes, depending on the part. “For
small parts, for example, input can also
take place every few seconds,” Martin
Gaugusch knows from experience.
“Parts that are still visible after installation
need a longer throughput time
because they require more accurate
deburring – for aesthetic reasons and a
nice feel.”
www.rosler.com
After vibratory finishing of the aluminum
components, the grinding bodies are
transported upwards again via a conveyor
channel and returned to the circulatory
system.
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CASTING PLANT & TECHNOLOGY 2/2019 27