METHOD OF IGNITING AND BURNING DC-ARC Russian patent published in 2005 - IPC

Abstract RU 2251473 C1

FIELD: welding processes and equipment, possibly in different branches of machine engineering for making welded structures.

SUBSTANCE: method comprises steps of igniting arc between non-consumable electrode and metal in welding circuit including inductance due to realizing discharge of capacitor. Arc is ignited by means of non-consumable electrode with diameter 0.5 - 6 mm at electric current intensity 0.3 - 5 A, inductance of welding circuit 6 - 8 microG and discharge of capacitor with capacitance 1000 - 2000 microF. Method allows welding by means of open arc with direct and reverse polarities.

EFFECT: lowered overheating of electrode, simplified equipment for welding super-thin articles.

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RU 2 251 473 C1

Authors

Mejster R.A.

Mejster A.R.

Dates

2005-05-10Published

2003-09-15Filed