Page 17 - Industrial Technology EXTRA 1st March 2021

The compact, high-performance design of the
clutches is achieved through a small outer diameter
with a relatively large bore diameter. And also the
integrated elements, via which the torque is
transmitted on the EAS-HSE clutch, are specially
selected and symmetrically arranged. “Ultimately,
the following applies for dimensioning: Bore
diameter, outer diameter and element size must be
harmonious in order to obtain a low-vibration
system that works precisely in the event of
actuation,” Ralf Epple describes the requirements.

New sizes for high-speed applications
With the addition to the series, Mayr Power
Transmission are now offering torque limiters for
high-speed applications with torques in the
standard range from 30 Nm to 15,000 Nm and
speeds of 25,000 rpm for small and 8,000 rpm for “We have been closely observing the
large construction sizes. “Despite e-mobility, we developments on the market for a long time in order
have noticed a kind of speed maximum at 25,000 to be prepared for the high speeds,” he continues.
rpm to 30,000 rpm for industrial test stands,” “This includes our high-speed element clutches as
Epple adds. “However, in the area of research and well as our overload clutches.” The company has
development, where we cooperate with universities therefore developed a new standard series for the
and other research institutes, or in motor sports, established EAS-Compact-F overload clutch up to
there are projects with speeds well above 30,000 12,000 rpm, which takes into account the
rpm. We use the experiences gained from these consistently increasing requirements in terms of
projects to permanently further develop our speed and dynamics. In the nhe new series, for
standard range. Of course, we also keep an eye on example, an internal seal ensures reliable
lower speed values here. lubrication of the functional components. This in
turn ensures reliable disengagement even under
extreme conditions and at high speeds.
In addition to torque limiters, shaft
misalignment compensation couplings are
a decisive accessory in test stands, as they
minimise the interference parameters
affecting the measurement flange. 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.

March 2021 • INDUSTRIAL TECHNOLOGY EXTRA • p17