12
U2B
HBM 24.5.2000
4.3
U2B installation for tensile loading
To introduce tensile loading, there is provision for a threaded pin on top of the
housing and an internal thread on the adapter.
Jointed eyelets are suitable for use in the case of quasi-static loading (stress
reversal
10 Hz). In the case of dynamic loading with a higher frequency,
flexible tension bars should be used.
The adapter (3) can be removed by undoing the screws (5). The transducer
can then be screwed onto the upper part for taking tensile measurements.
Care must be taken to make the bearing surface on the mounting plate flat.
For attachment use screws (5) of at least A2-70 quality (Fig. 4.1). To withdraw
them again use torque M
A(5)
(see dimension chart). When the adapter is re-
moved the zero signal on the force transducer can change by
<<
1%. Make
compensating adjustments for this when connecting the electronics. When
measuring dynamic forces, the screw connections to the threaded pin and in-
ternal thread must be properly pretightened when the transducer is free of
load: the tightening torque M
A(4)
is listed in the dimension chart. It may be ex-
ceeded by not more than 10%. If a lock-nut is used, the torque must on no ac-
count be conducted through the transducer.
U2B
Weight
Starting torque
Rated force (kN)
approx.
M
A
(4)
M
A
(5)
0.5 to 10
0.8kg
60Nm
5Nm
20
2.9kg
300Nm
35Nm
50
4.3kg
500Nm
60Nm
100
10.7kg
2500Nm
60Nm
200
15.9kg
4500Nm
150Nm
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