FIELD: manufacture of front skins of aircrafts. SUBSTANCE: method comprises steps of placing blank to stretching press for preliminarily shaping ridge and finally shaping sideframes by lengthwise stretching; then additionally shaping ridge of skin by bending it along punch in die unit. Such process allows to eliminate bending operations for finishing sideframes and ridge after cross stretching and bending-rolling out. EFFECT: lowered allowance values, increased accuracy. 2 cl, 5 dwg
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Authors
Dates
1997-04-20—Published
1986-03-18—Filed