METHOD FOR RECONDITIONING HIGH-STRENGTH CAST IRON CYLINDER HEAD OF INTERNAL COMBUSTION ENGINES BY WELDING Russian patent published in 1994 - IPC

Abstract RU 2011500 C1

FIELD: mechanical engineering. SUBSTANCE: during major overhaul, method involves removing cracks developed in operation and the adjoining layer of metal injured by oxidation and microscopic damage and featuring unsatisfactory mechanical properties. This is done by welding for which purpose the crack is grooved 20 mm deep from flame bottom at an opening angle of 100-110 deg and further to crack apex at an angle of 60 deg. EFFECT: higher efficiency.

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RU 2 011 500 C1

Authors

Arazov V.P.

Sal'Nikov M.A.

Dates

1994-04-30—Published

1991-12-23—Filed