MANUFACTURING METHOD OF HEAVY-WALLED TUBES

MANUFACTURING METHOD OF HEAVY-WALLED TUBES

FIELD: metallurgy. ^ SUBSTANCE: method includes double-line screw rolling of heated tubular billet plug rolling by three rollers and screw calibration by three rollers. In the capacity of blank there are used coupling fittings of served drill pipes. From drill pipe there are cut lock ends, heated an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RJABOV IGOR' EVGEN'EVICH, DMITRIEV ANATOLIJ VALENTINOVICH, SYVOROTKIN ALEKSANDR SERGEEVICH, SHULIKA IGOR' PAVLOVICH, V'JUGINA LJUDMILA ANATOL'EVNA
Format: Patent
Sprache:eng ; rus
Schlagworte:
DISPOSAL OF SOLID WASTE
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
RECLAMATION OF CONTAMINED SOIL SOIL
ROLLING OF METAL
TRANSPORTING
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Beschreibung
Zusammenfassung:FIELD: metallurgy. ^ SUBSTANCE: method includes double-line screw rolling of heated tubular billet plug rolling by three rollers and screw calibration by three rollers. In the capacity of blank there are used coupling fittings of served drill pipes. From drill pipe there are cut lock ends, heated and deformed by three double-extended rollers with diameter in necking not less than 3.5 times exceeding diameter of drill pipe, and with deforming section angle of slope 4-4.5 degree. ^ EFFECT: widening of manufacturing capabilities and expenditures reduction for manufacturing. ^ 1 ex