May 2011 Welding News

May 31, 2011
The German company Merkle began manufacturing semi-automatic welding MobiMIG 280 K. Small size and support for various welding conditions make them excellent tools for installation and service work.

Modes of the device:

• MIG / MAG (semi-automatic welding);
• TIG DC (tungsten arc welding with direct current);
• MMA (manual welding stick electrodes);
• welding flux cored wire;
• MIG-brazing;
• ColdMIG (semi-automatic welding or brazing with low heat dissipation).

Technology ColdMIG with low impact on the 20-30% of heat is used for welding sheet metal thickness of 0,6-3 mm sheet with a large gap between the two, dissimilar metals, metal products, coated, as well as for MIG-brazing. When welding wire can be used AlMg, AlSi, CrNi, and soldering - wire CuAl, CuSi.

The new model operates from 1x230 or 3x400 in V. When the input voltage of the apparatus required is automatically selected (function BiPowerPLUS).

May 24, 2011
Concern ESAB acquired from ATS ( Applied Thermal Sciences Inc, USA), the main process controller MPC (Master Process Controller), intended for use in hybrid laser-arc welding. MPC - a patented system that provides real-time control of laser equipment for arc welding in shielding gases (GMAW, MIG / MAG) welding system and moving heads. ESAB Cooperation and ATS in the development of this adaptive control system lasted for over six years.

Hybrid laser-arc welding combines the advantages of both methods. The laser beam provides deep penetration and a relatively low heat input and arc process in inert gas (GMAW) - excellent properties of welded joints and the possibility of increasing the gap between the workpieces. Hybrid welding can be performed at very high speed, with the joints obtained by narrow and deep. Often a single pass using a laser-arc welding is achieved the same results as in several passes with conventional fusion welding.

With the acquisition of MPC concern ESAB was able to use their equipment Hybrio for laser-arc welding of thicker materials and wider gaps between products. The company will continue to develop this area further.

May 19, 2011
The company Kemppi (Finland) introduced the new welding equipment:

• Minarc Evo 150 for manual arc welding (MMA) and TIG welding (TIG);
• MinarcMig Evo 170 and 200 for semi-automatic welding (MIG / MAG);
• MinarcTig Evo 200 and 200MLP for TIG-welding and MMA-dc.

Highlights series Minarc Evo:

• compactness and light weight vehicles, combined with high welding characteristics;
• application of power factor correction technology (PFC, Power Factor Correction) to significant energy savings;
• maximize the output current at a duty cycle of 35%;
• opportunity to work with power from a generator, even with cable lengths over 100 m;
• use of a large instrument panel.

Technical characteristics of Kemppi Minarc Evo 150:

• voltage - 230 V ± 15%, 1 p., 50/60 Hz;
• maximum output current (40 ° C) / duration of (MF) - 140 A / 35% (MMA), 150 A / 35% (TIG);
• output current at 100% duty cycle (40 ° C) - 100 A (MMA), 110 A (TIG);
• diameter of the electrode piece - 1,5-3,25 mm, 4 mm;
• dimensions (length x width x height) - 361 x 139 x 267 mm;
• Weight (with connecting cable) - 5.85 kg.

Specifications semiautomatic Kemppi MinarcMig Evo 200 :

• voltage - 230 V ± 15%, 1 p., 50/60 Hz;
• maximum output current (40 ° C) / duration of (MF) - 200 A / 35%;
• output current at 100% duty cycle (40 ° C) - 120 A;
• kinds of wires - Fe, Fe powder-coated, Al, Ss, CuSi in the coils of 1 and 5 kg;
• dimensions (length x width x height) - 450 x 227 x 368 mm;
• weight (with the welding gun and cable weighing 3 kg) - 13 kg.

Welders MinarcTig Evo designed for professional TIG-welding with direct current. In the MLP model has additional features: Minilog, allowing to switch between welding current and a given current Minilog, as well as semi-pulse welding.

Specifications machines Kemppi MinarcTig Evo 200/200MLP :

• voltage - 230 V ± 15%, 1 p., 50/60 Hz;
• maximum output current (40 ° C) / duration of (MF) - 200 A / 35% (TIG), 170 A / 35% (MMA);
• output current at 100% duty cycle (40 ° C) - 140 A (TIG), 110 A (MMA);
• diameter of the electrode piece - 1.5-4 mm;
• dimensions (length x width x height) - 449 x 210 x 358 mm;
• Weight (without cables) - 11 kg.

May 10, 2011
The company Lincoln Electric has released termopenal Hydroguard, designed to heat and dry storage of welding electrodes. Provide low humidity of the electrode coating is one of the main ways to reduce the porosity of welds in manual arc welding.

Specifications:

• voltage depending on the model
• 230 V, 1 ph., 50/60 Hz or
• 115/120 V, 1 p., 50/60 Hz;
• capacity - 4.5 kg electrode length of 45.7 cm;
• chamber dimensions (diameter x depth) - 7,3 x 50 cm;
• insulation - fiberglass (3.8 cm);
• temperature in the chamber by default - 149 ° C;
• Dimensions (height x width x depth) - 591 x 140 x 203 mm;
• Weight - 4.8 kg.