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PFAFF silberblau 8311 - Page 70

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70
Then the load cell is adjusted. The force display changes from 999N to 0N.
The upper transport roller slowly lowers down to the sonotrode. After a short touch, it moves back
up again. This only determined the approximate position.
The upper roller then moves directly over the sonotrode and begins to measure the load cell force
positions, which are saved in an internal table.
To do this, it moves downwards at low speed and registers the position for the force values from 0
to 250N in 1N steps. The measured force is displayed in the top line.
After entering the 250N position, the control calculates the required machine positions and extrapo-
lates the force position table to 500N.
The roller moves up to the (5mm) intermediate position.
This completes the initialization for the standard machine.
i

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