28/37
ALFA IN a.s ©
www.alfain.eu
2. Check completeness of the mounted cutting torch.
3. Fit the Torch and secure the Torch well by turning the nut clockwise.
4. Connect the compressed air on connector
A7
on the rear wall of the
machine.
5. Connect the compressed air on connector
A6
on the rear wall of the
machine.
6. Set the pressure with the encoder
V1
for cutting to 5.5 bar or for gouging
to 4,8 bar.
7. After turning on the ON / OFF switch
A8
the display will illuminate
8. Connect the work lead cable to the terminal of the CNC table and to the
connector
A1
.
9. Check up the input air pressure (min 6,5 bar, max 8,5 bar) and make a
regulation if necessary.
10.
Set potentiometer to the cutting power you need.
11.
Fit the torch to the appropriate nozzle diameter according to the
selected cutting current.
13. INDICATIVE PARAMETERS – CUTTING GAPS
The parameters in the table are for reference only. They were measured when
set to the highest cutting quality.
Current
Sheet thickness (mm)
0,5
1
2
3
6
8
10
12
16
20
25
Fine-grained steel
85 A
1,7 1,8 1,9 2,0 2,2 2,4 2,6
65 A
1,6 1,6 1,8 1,9 2,0 2,2 2,3
45 A
1,1 1,1 1,4 1,5 1,7
Stainless steel
85 A
1,6 1,8 1,9 2,1 2,3 2,4 2,5
65 A
1,4 1,5 1,8 1,9 2,0 2,2 2,4
45 A
0,9 1,1 1,5 1,6 1,8
Aluminium
85 A
2,0 2,0 2,0 2,1 2,2 2,4 2,6
65 A
1,9 1,9 1,9 2,0 2,1 2,3 2,5
45 A
0,5 1,0 1,3 1,5 1,5
14. INDICATIVE CUTTING PARAMETERS
MILD STEEL 85 A
Sheet
thickness
(mm)
Cutting
height of
the torch
(mm)
Initial
piercing
height
(mm)
Time of
pierce
(with)
Productive
cut, speed
(m / min)
High
cutting
quality,
speed (m /
min)
