WORLD OF INDUSTRIES 4/2020

Such interference parameters or so-called parasitic forces frequently
occur due to alignment errors in the drive line. For this
reason, misalignments between the input and the output sides occur
in almost all applications. Shaft misalignment compensation
couplings are therefore used together with the measurement
flange. Based on the tried and tested backlash-free and torsionally
rigid ROBA-DS construction series, mayr power transmission offers
a version of its compensation coupling specially adapted to
measurement flanges, which creates ideal conditions for accurate
measurement results. These disk pack couplings transmit the
torque backlash-free and extremely torsionally rigid and they
compensate for transverse and axial forces as well as for bending
torques. They therefore not only ensure accurate measurement
results, but also provide the best possible protection for the measurement
flange, the mechanically weakest link in the drive line,
thus ensuring a long service lifetime. In addition to their high running
smoothness and low mass moment of inertia, the couplings
are characterized by a high balance quality; and they are particularly
robust and resistant. “In addition to these measurement
flange couplings, we are also working on other mass-optimized
measurement flange couplings, for example made of aluminum
or titanium,” says Ralf Epple, giving an insight into the current developments.
“Here, however, it is always necessary to weigh up
between the material properties, e.g. weight, rigidity or fatigue
strength, and the final customer application, i.e. the actual speeds,
load alterations, load cycles, bearing distances and bore diameters.
And last but not least, of course, the price/performance ratio
also counts. Simply offering existing variants made of aluminum
or titanium without first looking at the application might also be a
rude awakening.”
Photos: mayr power transmission
www.mayr.com
There is no one clutch for all
applications. We are offering
torque limiters for highspeed
applications with torques
from 30 Nm to 30,000 Nm and
speeds of 25,000 rpm for small and
8,000 rpm for large construction
sizes They are the result of
many years of experience.
Ralf Epple, Product Manager
at mayr power transmission
in Mauerstetten, Germany
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WORLD OF INDUSTRIES 2020 17