Fronius Trans Puls Synergic 3200 CMT TPS is a MIG/MAG power source with the Cold Metal Transfer process, pulse and synergy, in an original set with the source, the feeder and a CMT torch. The maker gives 320 A at a 40% duty cycle and 220 A at a 100% duty cycle, supply 3 x 400 V with a 35 A fuse. The cooling is run by a built in Fronius FK 4000 module.
What this machine is for
CMT solves a problem that a normal MIG/MAG cannot handle: an excess of heat, which destroys anti corrosion coatings and distorts thin parts. In this process the wire retracts mechanically at the moment of the short circuit, so the droplet passes into the pool almost without current. The result is a small heat affected zone, no spatter and a calm, stable arc.
In practice you weld sheet under 1 mm thick without burn through, braze weld galvanised sheet without tearing off the zinc coating and join materials with different melting points, for example galvanised steel with aluminium. These are tasks from the motor industry, aviation and thin walled prefabrication, and the absence of spatter means less finishing work and less wear of the tooling.
Beyond CMT this is a full pulsed source with synergy. The program set covers typical combinations of wire and gas, so a change over to new production comes down to the choice of a curve. Pulse gives a sure fusion and an even face, and the digital control corrects the arc parameters on the fly. The components are linked by a digital bus, thanks to which the arc start is repeatable. This unit is described in the card as a set for automated use.
The set is original and matched: the source, the feeder and the torch come from the same family, which matters with CMT, because the process rests on the electronics of the source working together with the wire drive in the torch. Without that pair there is no wire retraction, and so no CMT.
Features and equipment
- The CMT process: mechanical retraction of the wire at the moment of the short circuit, the droplet passes at a minimal energy, without spatter.
- CMT torch with a stepper motor for the wire movement: the part on which the whole process depends.
- Welding of sheet under 1 mm as well as joining steel with aluminium and braze welding of coated sheet.
- Pulse and synergy: ready curves for wire and gas, a fast change over and a repeatable fusion.
- Liquid cooling by a Fronius FK 4000 module: a steady temperature of the CMT torch, without which the wire retraction mechanism does not work properly.
- Digital communication between the source, the feeder and the torch: a soft arc start and no delays in the control.
- A full set of Fronius CMT operating manuals.
Technical data
| Brand | Fronius |
|---|---|
| Model | Trans Puls Synergic 3200 CMT TPS |
| Supply | 3 x 400 V |
| Mains fuse | 35 A |
| Current at a 40% duty cycle | 320 A |
| Current at a 100% duty cycle | 220 A |
| Processes | CMT, pulse, synergy |
| Minimum sheet thickness | under 1 mm |
| Cooling | liquid, Fronius FK 4000 module |
| Interconnection cable | 5 m |
| Earth cable | 3 m |
| Supply cable | 4 m |
What you get
- Fronius TPS 3200 CMT power source
- original Fronius CMT feeder
- CMT welding torch
- interconnection cable 5 m
- earth cable 3 m
- supply cable 4 m
- Fronius CMT operating manuals
What to watch out for
On thin sheet the gain from CMT shows at once, but it calls for sound preparation of the joint: a repeatable gap, a clean edge and the right gas. In automated work there is also stiff guidance of the torch and a constant distance from the material, because the process works best when the conditions do not change.
The supply is 3 x 400 V with a 35 A fuse, check the connection before installation. Liquid cooling is part of the process, not an addition: with a faulty circuit the CMT torch will not work properly, so you check the fluid level, the flow and the tightness of the couplings before the shift. The CMT torch with a stepper motor is unusual equipment, so check its state and the set of wear parts.
This unit is in condition B: traces of use and full working order. The set with the source, the feeder and the interconnection cable 5 m long takes up room and is moved on a trolley. If you plan automated work, settle with us how the set is to be plugged into your existing station and which synergic curves are loaded.
How we sell used machines
This unit was checked in our service workshop in Krotoszyn with measurements to PN-EN 60974-4 and a load test. The price includes the first year of the basic service package, further years can be added. We ship across the European Union, collection in person by appointment.
