FIELD: process engineering.
SUBSTANCE: invention relates to metal forming and may be used in production of pipes. Stationary circular profiling elements are used along with moving circular profiling element that can displace in plane perpendicular to axis of pipe being shaped. Note here that said circular elements have openings shaped to make clearance corresponding to round tubular billet to be fitted therein at their initial position and to final shape of finished shaped pipe at their displaced position.
EFFECT: expanded performances.
3 dwg
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