FIELD: plastic working of metals, namely manufacture of parts with beveled branches of hollow blanks.
SUBSTANCE: method comprises steps of flattening tube blank for imparting to it ellipse-like cross section whose small axis is equal to diameter of ready part; then forming on ends of flattened blank beveled portions parallel to generatrix of cylindrical surface of shaped beveled branch; shaping tube blank due to acting upon its lateral surface in direction parallel to said beveled portions.
EFFECT: enlarged manufacturing possibilities, improved quality of ready parts.
5 dwg, 1 ex
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Authors
Dates
2008-03-27—Published
2006-07-10—Filed