NARGESA NF70, Instruction Book

Page: 18 / 41

INSTRUCTIONS BOOK FOR THE END WROUGHT IRON MACHINE NF70 17
ESCAPE FOR
STARTING
!!PRECAUTION
PIECE IN MACHINE!!
M1 CYCLES: 004
PIECES: 00000
5.7. Semi-automatic mode
The machine needs to be initiated as detailed in section 5.3 before operations in semi-automatic mode are
started. The semi-automatic mode allows us to indicate the specific number of turns or cycles that we want
the machine to do. Once complete, the machine will stop and will emit an audible signal. We must remem-
ber that we have to keep pressing the pedal to activate the machine. To programme the number of turns,
press the →] key and access the menu to define the cycles using the + and - keys. Then, assign the num-
ber of defined cycles to one of the 8 existing memory slots by pressing a number key (1 to 8).
The Screen will display a message similar to the one shown below:
Message indicating the we have programmed 4 turns or cycles.
5.8. Unlocking the machine
Due to external causes of the machine, it can be locked, that is to say, the rollers have stopped half cycle
and the bar of material has kept in between. This may be due to a lack of heat of the material, inadequate
material etc.. The steps to follow in order to unlock the machine are:
- Press the emergency stop button.
- Unlock the emergency stop button and press the reset button so that the following message appears:
or
Now, by pressing the forward and reverse keys we can make the rollers turn at very low speeds to unlock
the machine.
This is an emergency situation and care should be taken to avoid injury.
After making an operation of unblocking it will be necessary to startup the machine just as it is described in
section 5.3.
5.9. Speed Adjustment
The adjustment speed depends on the load, taking into account that, at maximum load the machine should
work at 50 Hz. The working range is 30 Hz to 60 Hz.