Variable, fast and safe welding with enormous power reserves! The modular and innovative concept of VARIO MIG 4003 AC/DC with separate wire feed unit DV 36 and water return cooling device for welding torch provides industrial users with a wide range of applications in manual or automatic low-spatter welding.
Materials
- Construction and stainless steels of all kinds (low- and high-alloy)
- Aluminum, copper, magnesium, brass, titanium, nickel and their alloys
- High heat sensitive alloys
- Galvanized and clad plates
Welding methods
AC and DC welding with process technologies ...
- MIG/MAG pulse arc welding (MIGp / MAGp)
- MIG/MAG Dual pulse welding
- MIG/MAG high speed welding
- TIG Lift Arc
Premium technology for all aluminum processes
- Avoiding of strong warping due to the very good heat control with the help of the negative ground current
- Premium gap bridging
- Reduced penetration depth at a higher deposition rate
- Minimal spattering
- Improved droplet dissolution
- Highest reproducibility and adjustment accuracy
- Suitable for manual and machine welding

4 mm gap bridging at 1,2 mm sheet thickness. Especially suitable for the welding of thin aluminum sheets smaller than 1 mm.
Applications
- Special vehicle and machine construction
- Plant, container, machines and steel engineering
- Automotive and supply industry
- Industrial facillities, pipeline constr. and mounting
- Repair and maintenance, reworking
- Aerospace
- Railway vehicles
- Shipbuilding, offshore
Standard equipment
- 1 welding torch Typ MW 501/3 S CA
- 1 Welding feed unit DV 36 with central connector and 4 roller wire drive for 0,8 / 1,0 mm steel
With insulated suspension device by means of crane eyes
- 1 pressure regulator
- 1 workpierce lead AL70/K70 / 4 m
General features
- Control program VM3
- Highest reproducibility and adjustment precision
- Excellent welding and brazing quality
- Optimal arc power control
- Larger melting amount of the wire electrode
- Higher welding speed
- Lower energy input per track
- Excellent gap bridging also with thinnest aluminum sheets
- Low power consumption by inverter technology
- Low-spatter welding guarantees high economic efficiency by saving additional welding costs
- Insensitive to supply voltage fluctuations
- Patented automatic correction of the lenghts of the welding lines
- Programmable AC / DC welding parameters
- After welding pointed wire electrodes for a perfect reignition
- The flow control assigns an ignition, welding and crater filling program to each welding program
USB-Interface
- Backup of internally generated welding programs
- Data transfer by USB stick (standard)
- Total backup automatically or by pressing a button
- Visualization of individual welding programs on PC
- Cloning of machine data (= Transferring the virtual part of the welding machine to another topline machine)
Technical data
General
- Welding power adjustable (infinitely variable)
- Components protected by temperature monitor against overload
- Three-phase mains connection
- S-mark for construction sites and for working increased electrical endangerment
- Norms: VDE 0544-1, EN 60974-1, EN 50199
- CE-mark
Mains connection
- Supply voltage: 3 x 400 V 50 Hz
- Continuous power / maximum output: 13,7 kVA
- Continuous / Maximum current: 19,8 / 28,6 A
- Fuse: 25 A (slow-blow)
- Connection cable: 4 x 4 mm2 Cu
Welding power
- Adjustment range from:
10 A / 10 V (MIG/MAG)
10 A / 20 V (rod)
infinitely variable up to:
400 A / 34 V (MIG/MAG)
400 A / 36 V (rod)
- Welding current: DC (MIG/MAG & rod)
- Duty cycle
HSB 60% ED: 400 A / 34 V (MIG/MAG) and 400 A / 36 V (rod)
DB 100% ED: 315 A / 30 V (MIG/MAG) and 315 A / 33 V (rod)
- Max. pulse current: 800 A
- Open-circuit voltage approx.: 70 V DC (MIG/MAG & rod)
Construction
- Dimensions L x W x H: 1030 x 530 x 1250 mm
- Wire feed unit L x W x H: 700 x 400 x 340 mm (700 mm over all with central connection and supply connections)
- Weight: 205 kg /34 kg
- Protection: IP 23
- Noise emission acc. DIN 45635: 55 dB idle / 73 dB standard load max.
