EWM cool71 U43 Manuel d'utilisateur télécharger pdf (Page 190)

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EWM HIGHTEC WELDING GmbH Tel.: +49 2680 181-0, Fax: -244 www.ewm-group.com PK 2009/2010 A3

MMA DC welding machines

Pico 300 / Stick 350

Compact, indestructible and versatile

For tough, safe everyday operation on construction sites

and in assembly work, the resilient MMA professional

machines with metal casing offer the perfect solution.

Even on long mains leads or connected to a generator,

the welding electrode ignites reliably. EWM inverter

technology with digital control ensures a stable arc, pro-

viding problem-free welding even for special electrodes.

The CEL model versions are 100% safe for vertical-down

welds with cellulose electrodes.

Highlights

Ideal for every construction site

Slimline design and effortless transport with stable carrying bar – the perfect

partner for almost any construction site. Mains ﬂuctuations are no problem

for EWM power sources. This machine performs reliably even with weak

mains supplies or extra-long cables. Well-thought-out ventilation ensures

long duty cycles and protects against dirt.

Antistick – weld like a professional

Extremely easy welding: the arc burns steadily without sticking or annealing

of the stick electrode.

Reliable ignition and excellent welding properties

The digital inverter technology ensures superb arc characteristics for all elec-

trode types, a reliable, stable arc and an easily controlled molten pool. The

high open circuit voltage and hotstart function guarantee reliable ignition

for the long term.

Arcforce: tuning for all electrodes

Arcforce offers exceptional welding properties with all types of electrodes.

No short circuits, even with rutile-cellulose electrodes.

Safe and reliable

Low-maintenance and durable: temperature-controlled fans and protected

positioning of the electronic components keep dust away, ensuring highly

reliable operation. The integrated temperature monitor is the perfect protec-

tion against overloading.

Hotstart for exceptional quality

The variable Hotstart function (adjustable current and time) reliably ignites

the electrode and melts perfectly to ensure the best quality even at the start

of the seam. This solution makes lack of fusion and cold welds a thing of the

past and signiﬁcantly reduces weld reinforcement.

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EWM cool71 U43 Manuel d'utilisateur Page 190