Load-Carrying Capacity - HBM T40B Mounting Instructions

Load‐carrying capacity
9 Load‐carrying capacity
Nominal (rated) torque can be exceeded statically up to the limit torque. If the
nominal (rated) torque is exceeded, additional irregular loading is not permissi­
ble. This includes longitudinal forces, lateral forces and bending moments.
Limit values can be found in Chapter 13 "Specifications", page 50.
Measuring dynamic torque
The torque flange can be used to measure static and dynamic torque. The fol­
lowing apply to the measurement of dynamic torque:
S The T40B calibration performed for static measurements is also valid for
dynamic torque measurements.
S The natural frequency f
depends on the moments of inertia J
masses and the torsional stiffness of the T40B.
Use the equation below to approximately determine the natural frequency f
the mechanical measuring arrangement:
+ 1
f
0
2p
S The permissible mechanical oscillation width (peak‐to‐peak) can also be
found in the specifications.
44
of the mechanical measuring arrangement
0
· 1 ) 1
· c
T
J J
1
A03452_15_X00_00 HBM: public
and J of the connected rotating
1 2
f = natural frequency in Hz
0
J J = mass moment of inertia in kgVm
1, 2
c = torsional stiffness in NVm/rad
T
2
of
0
2
T40B