Fimer Tp 72, Инструкция по эксплуатации

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910.100.276GB REV00 14 di 28
ADJUSTMENTS
The concept that underlies the operation of these generators is to provide a constant current equal to the set value, regardless of
the length of the arc. After making the connections of the torch, and turned on the generator, check that the air is circulating in the
circuit, acting on the button AIR TEST Next, set the value of current using the keys.
Table 1 shows the approximate current values to be set depending on the thickness to be cut. To begin to cut, press the
button on the torch. On completion of the operation button is released resulting in extinguishing the arc. The air will continue to
flow for about 60 seconds, (post-flow) required for the complete cooling of the torch.
SAFETY TORCH
ATTENTION voltage exceeding 113V CLASS M TORCH.
The torch fitted with the generator, is provided with a safety circuit that prevents the user to come into contact with live parts; in
fact by loosening the insulated terminal block, torch button is disabled.
CUTTING DRAWBACK
1) Insufficient penetration
The causes of this problem can be:
- Too fast Always make sure that the arch cuts completely the piece and the arc never should be tilted in the sense of progress,
above 10-15°.
- The electrode must be replaced when it has a deep crater about 2 mm.
-
The nozzle should be replaced when it has the central hole ruined or very extended compared to new.
-
Too thick piece
- Heart clamp not in good electrical contact with the workpiece.
2) Cutting arc goes off
The causes of this problem can be:
-
Feed rate too low.
-
Cutting current too high in relation to the thickness of the workpiece, adjust to the thickness.
PRACTICAL ADVICE
-
If the air contains moisture and/or oil is good to use a dryer filter to prevent excessive oxidation, consumption and damaging of
parts of the torch.
- Impurities in the air cause the oxidation of the electrode and nozzle, and may make more difficult the striking of the pilot arc.
If this condition occurs clean the terminal electrode and the inside of the nozzle-end with sandpaper
- Ensure that the new electrode and the nozzle are about to be mounted are well cleaned and degreased.
To avoid damaging the torch always use genuine parts FIMER.
THE OPERATIONS REQUIRING ACCESS INSIDE THE MACHINE MUST BE EXECUTED AFTER DISCONNECT THE
POWER PLUG FROM THE OUTLET!
TECHNICAL DATA
The inverter is a special oscillating circuit that, supplied by an input continuous voltage, provides an output AC voltage having the
frequency required. Increasing the frequency, achieves multiple benefits:
- Use of power transformers, small and light;
-
High Bandwidth of the output cutting current, resulting in a current always appropriate to the process;
- Eliminate the annoying hum of common electromechanical equipment.
TABLE 1
MATERIAL
THICKNESS
MATERIAL
(mm)
VALUE
CURRENT
(A)
NOTES
1 22
2 30
CONTACT CUTTING
IRON 3 38
5 50
10 60
15 70
CUTTING WITH SPACER