Schaeffler MF-Generator-3.0-10kW Manual Del Usuario página 15

Temperature or time mode
Heating of workpieces to a set temperature with the temperature
of the workpiece being monitored during the whole process, or
heating over time. In the settings menu, it is possible to select a
double measurement / ΔT measurement here. T1 (temperature
sensor 1) is the main sensor here and is the master for the
heating process.
In this mode, both the desired workpiece temperature and the
desired heating time have to be set. The heater switches off when
one of the two settings (temperature or time) is reached or has
expired.
In this mode, one or more temperature sensors have to be used
that are positioned on the workpiece to be heated.
Temperature and speed mode
Heating of workpieces to a set temperature; the temperature of the
workpiece is monitored during the whole process. In this mode,
a gradient is also entered with which the heating process may
take place. In the settings menu, it is possible to select a double
measurement / ΔT measurement here. T1 (temperature sensor 1) is
the main sensor here and is the master for the heating process.
For example: Heat the workpiece to 120°C with a gradient of 5°C/
min.
After switching on the process, the generator controls the power
output so that the heating curve for the workpiece follows the
set gradient. During heating, a white dotted line is shown in the
chart, indicating the ideal curve for the heating process. The
actual curve will be slightly above this line, since the controller
first has to find a balance between temperature increase and the
matching power output.
NOTE!
This mode functions well only if the set gradient is realistic in
relation to the maximum power that the generator can output
and input into the workpiece.
Set the gradient in X°C/min or X°C/hour, depending on what is
required for the application. This setting can be made in "System
settings" under "Speed units" in screen 2/5. See section 7.4.
In this mode, one or more temperature sensors have to be used
that are positioned on the workpiece to be heated.
Schaeffler Technologies
9.2 Temperature holding function
With the exception of time mode, each heating mode has a slider
on the screen with which the temperature holding function "hold
temp" can be activated or deactivated.
This function enables a workpiece to be held at the same
temperature once the set temperature has been reached. Holding of
a workpiece at temperature follows a given switching hysteresis that
has to be set in the system settings as described in section 7.2.
Once the function has been activated, it is also possible to enter
a time. The time indicates how long the workpiece is to be held at
temperature once the set temperature has been reached.
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