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Semi-automatic machine having a wide control range of welding parameters is designed for all-position gas-shielded arc welding at constant current in the protective gas environment with a consumable electrode with solid or flux-cored wire of low-alloyed and alloyed steels, as well as corrosion-resistant (stainless) steels in argon gas atmosphere. The semi-automatic machine is equipped with welding rectifiers КИГ-401 and КИУ-501.

The wire feed mechanism is mounted in a compact open-type casing together with a wire reel magazine, controls and a gas cutoff.  In the semi-automatic machine, a two-roller wire feed gearing mechanism with the power of electric motor of the wire feed reduction gear of 100W is used, which ensures reliable uniform feeding of both solid and flux-cored welding wires.

Lightweight feed mechanism for operation in confined spaces.

Stepwise regulation of welding voltage by the power source КИГ-401 (switch).

Smooth regulation of welding voltage by the power source КИУ-501 (resistor).

Parameter nameRate
Rated welding current at DC = 60% (depending on the source), A315
Regulation limits of welding arc voltage (depending on the source), V16 - 37
18 - 50
Regulation limits of welding current (depending on the source), А50 - 400
60 - 500
Diameter of electrode wire, mm:
- solid0,8 - 1,4
- flux-cored1,2 - 1,4
Electrode wire feed speed, m/h100 - 1000
Regulation of electrode wire feed speedsmooth
Weight of the electrode wire in the magazine, kg5
Overall dimensions of the feed mechanism, mm495×160×290
Weight of the feed mechanism, kg9,5


• Quick-release, safe current connectors;
• Quick-release gas connector;
• Smooth regulation of electric wire feed speed from the feed mechanism;
• Automatic control of gas path, welding source and feed mechanism by means of a button on the torch ;
• Gas purging before and after welding;
• Availability of wire dressing mode and gas feed check mode;
• Multipurpose braking device complies with the European standard;
• Gearing of the feed and pressure rollers;
• Calibration check of the clamping device force;
• Provides installation of the magazine (diameter 200 mm) with a wire weighing 5 kg;
• Stable feed speed of welding wire at the length of the torch cable of 3 m and cable bends;
• Torch connection using pin connectors, possibility to connect the torch through the CEE plug by an additional order;
• Rigid and shock-resistant design of the body of the feed mechanism;
• The welding wire can be fed directly from a magazine;
• Protection of the electric motor of the wire feed mechanism against overloads.

Standard set: feed mechanism; control cable, direct welding cable, return welding cable.

Optionally: welding torch, gas hose, gas flow regulator, gas heater.

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