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CHAPTER 1. GENERAL DESCRIPTION. TECHNICAL CHARACTERISTICS.
These wire-feed units forms part of a modular system (GALA INDUSTRIAL/MODULATE) that permits electric
welding of carbon steels, slightly alloyed steels, stainless steels and aluminium, which are the most commonly
used metals in modern industry, by means of the MIG-MAG semiautomatic procedure.
The whole modular system that makes up the installation comprises the following elements:
1.1 – Power source. (Earth cable included).
1.2 – Wire-feed unit (Independent from the power source).
1.3 - Connection extension lead between power source and wire-feed unit. Welding torch.
1.4 - Cooling module for cooled welding gun.
1.5 - Transport trolley (compulsory if a cooling module is installed) or bottle support.
1.6 - Auxiliary elements: Pressure reducing valve for gas bottle, gas economiser.
1.1. WIRE-FEED UNITS D-16 C ; D-22 C.
D-16 C: Drive motor with two geared φ40 mm rollers. Wire speed and welding voltage control (Electronic
power sources). Possibility of incorporating an cooling unit. It can be incorporated into any power source from
the GALA INDUSTRIAL/MODULATE line.
D-22 C: Drive motor with two geared φ30 mm rollers. Wire speed and welding voltage control (Electronic
power sources). Cooling circuit torch incorporated. Prepared with welding connector (95-120 mm
equipments up to 600 A, (adapter for 35÷70 mm
source from the GALA INDUSTRIAL/MODULATE line.
TABLE 1. Basic technical characteristics of the Wire-feed units D-16C and D-22C
TECHNICAL CHARACTERISTICS.
SUPPLY VOLTAGE U
MAXIMUM INPUT INTENSITY I
No. OF GEARED DRIVING ROLLERS
APPLICABLE WIRE DIAMETERS (mm.)
WIRE REELS
DRIVING MOTOR
MAXIMUM WIRE SPEED (m/min.)
MAXIMUM WELDING INTENSITY I
NOMINAL WELDING INTENSITY I
COOLING CIRCUIT OF TORCH
WELDING VOLTAGE CONTROL
2T/4T PULSATION SYSTEM
MOTOR-SOLENOID VALVE BLEEDING
FINAL WIRE LENGTH CONTROL
ANTI-ARCING RAMP CONTROL
WELDING CONNECTOR
WEIGHT
Standard equipment supplied with:
D-16 C: Drive rollers
-
D-22 C: Drive rollers
-
(629.12.040)
D-16 C, D-22 C. Instructions Manual.
1
1max
2max
2100%
Fig. 1 – General dimensions of D-16 C / D-22 C equipment.
249
40mm 0.8/1.0 – 1.0/1.2. Instructions manual.
φ
30mm 1.0/1.2. Instructions manual. 35÷70 mm
φ
2
connector included) It can be incorporated into any power
Ref. 628.00.000
D-16 C
24 V 50/60 Hz
5 A
2 x φ40mm
φ0.6-0.8-1.0-1.2mm
φ300mm; 20Kg
24 V=; 50 W
24 m/min.
325 A/60%
250 A/100%
KIT 61812060
YES
YES
YES
YES
YES
400A/60% 35÷70 mm
20 Kg.
605
675.4
Ref. 629.00.000
D-22 C
24 V 50/60 Hz
5 A
4 x φ30mm
UP TO φ2.0mm.
φ300 mm; 20 kg
24 V =; 100 W
19 m/min.
550 A/60%
420 A/100%
YES
YES
YES
YES
YES
YES
2
590A/60% 95-120 mm
22 Kg.
2
connectors adapter
11
2
) for
2
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