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OSSD-400 is intended for contactless excitation of a welding arch when welding by not melting (tungsten) electrode in the environment of inert gases (argon, helium).The OSSD-400 oscillator is intended for contactless excitation of a welding arch when welding by not melting (tungsten) electrode in the environment of inert gases (argon, helium). The device carries out the following functions: — manual arc welding by covered electrodes on an alternating and direct current as a part of a welding post with function of stabilization of arcing by means of forming in certain time of high-voltage impulses of small duration; — argonodugovy welding of stainless steel, non-ferrous metals and aluminum not melting electrode (tungsten) as a part of a welding post on an alternating and direct current with ensuring contactless excitation of a welding arch with the subsequent stabilization of arcing; — management of a source of a welding current in the mode of argonodugovy welding by means of inclusion and shutdown of a source the button of the welding torch located on the handle; — management of time of a purge of the gas channel at the termination of welding process. OSSD-400 has the built-in gas valve, regulators of change of a delay of forming of high-voltage impulses concerning transition time of tension through 0B, the regulator of time of a purge of the flue gas path, switches of a type of welding, the built-in power key of alternating current. OSSD-400 is adapted for work with the current sources working both from a network ~ 220B of 50 Hz and from a network 2 ~ 380B of 50 Hz with a maximum current of a network 63A. Technical datas: Rated welding current — 400A; The Loading Duration (LD) — 60%; Tension of the feed source frequency (50 ± 1) Hz: ~ 220B; 2 ~ 380B; Rated current of a network key — 63A; Installation of an angle of forming of an impulse — from 10 to 70 hail; Purge inert gas — from 1 to 20 sec.; Entrance pressure of inert gas — ≤ 1,5kgs/cm2; The maximum power consumption - 45 W; Dimensions (D x Sh x V) — 410kh155kh265mm; Weight, no more — 7,0kg.
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Oscillator stabilizer of a welding arch OSSD-400