FIELD: machine building.
SUBSTANCE: invention relates to power, chemical and petrochemical machine building, particularly, to production of pipes for machine building in form of truncated cone. Billet of cylindrical shape is drawn through round hole formed between inner wall of die and mandrel. Die consists of elements fixed on cams of the lathe chuck. Drawing elements form a circle with a hole in the center aligned with the through hole of the cartridge. Self-aligning mandrel in the form of solid body of revolution of curvilinear line around its axis is connected by flexible rod through freely rotating around its axis hinge with mechanism to regulate its movement.
EFFECT: enlarging manufacturing capabilities of pipes in the form of a truncated cone in a wide range of lengths and diameters.
3 cl, 5 dwg
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| 0 |
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SU486831A1 | |
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RU2014925C1 |
