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7. SETTING THE WELDER
Data plate on the welding machine.
(A)
Constructor name and machine part No.
(B)
Delivered alternate current frequency.
(C)
Serial number
(D)
European reference standard for the construction and safety of welding equipment.
(E)
WELDING CIRCUIT PERFORMANCE
U0V
Minimum and maximum open circuit voltage (open welding circuit).
Ø
Diameter of weldable electrodes.
I2A
Value of the current needed to weld using different electrode diameters.
tw
Welding time running from thermal cutout reset until the next tripping with the transformer at the
operating temperature.
tr
Cooling time running from thermal cutout tripping until the next reset with the transformer at the
operating temperature.
A/V
Conventional welding current (maximum) and corresponding normalised voltage.
(F)
POWER SUPPLY DATA
U1
Input voltage (permitted tolerance: +/- 10%)
I1 eff Effective absorbed current.
I1 max Maximum absorbed current.
(G)
Weight
(H)
Safety symbols.
(I)
Level of protection from solids and liquids.
(J)
Input power required:
1” alternate single phase voltage, frequency
(K)
Symbol indicating the possibility to use the welding machine in environments potentially subject to
electric discharges.
(L)
Indicates the machine is an ARC/MMA process machine.
(M)
Indicates this machine produces an AC welding current.
(A)
(M)
(L)
(K)
(J)
(B)
(C)
(G)
(H)
(I)
(D)
(E)
(F)