|
The present torque sensors are qualified for static
and dynamic measurements on non-rotary applications.
Further the measurement of reaction torques on rotating
machine parts is possible. Especially the torque sensors
with flanges are preferred. They are mounted between
motor and stator, as i.e. in agitator drives. This
enables a maintenance-free torque measurement. Another
range of application is the testing of screwdriving
units and torque
wrenches.
For individual measuring tasks the design of our torque
sensors can be adapted to the customer’s installation
conditions.
More application examples:
|
| • |
Test structures in the field
of precision mechanics |
| • |
Determination of friction
torques |
| • |
Acquisition breakage moments
on screw caps |
|
|
| Description |
 |
The design
has been optimized regarding overall
length, weight and volume, so that axial forces up
to relatively high limit values and bending moments
of up to 20 % of the measuring range influence
the measuring element only little.
Four metal film strain gauges are mounted on the
measuring element and connected to form a full
bridge; shear stresses on the torque shaft are
accurately seized.
When applying AC or DC voltage on the bridge,
the mechanical value torque is converted into
electrical voltage. The necessary amplifier either
delivers a norm signal (0…10 V, 0/4…20 mA) or – with
indicator module – a torque signal truly corresponding
to the measured variable.
The sensor output signal is standardized, so that
an exchange of the sensor (spare part) does not
require any new adjustment of the measuring
chain.
|
