POWDER WIRE FOR UNDERWATER WET CUTTING OF STEELS Russian patent published in 2021 - IPC B23K35/00 B21F99/00 B26D1/00 

Abstract RU 2756005 C1

FIELD: mechanical engineering.

SUBSTANCE: invention relates to mechanical engineering and can be used for mechanized and automatic wet underwater cutting of metal structures in fresh and sea water. The powder wire contains a steel shell, inside of which a powdered charge is placed, containing iron carbonate, alkali metal carbonate, complex alkali metal fluoride, alkali metal nitrate and metal powder. The mass fraction of these components was selected experimentally.

EFFECT: improving the quality of wet arc cutting of steels of increased thickness due to the introduction of additional exothermic energy while increasing the concentration of heat input.

5 cl, 1 tbl

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RU 2 756 005 C1

Authors

Parshin Sergej Georgievich

Van Penfej

Levchenko Aleksej Mikhajlovich

Majstro Aleksej Sergeevich

Semencha Aleksandr Vyacheslavovich

Dates

2021-09-24Published

2020-12-25Filed