PIERCER ROLLER

• Main Authors: TERESHIN ALEKSANDR VIKTOROVICH, TOLMACHEV VIKTOR STEPANOVICH, GUBIN JURIJ GRIGOR'EVICH, PJATKOV VLADIMIR LEONIDOVICH, BLAZHENETS NIKOLAJ JUR'EVICH, STAROSTIN JURIJ ALEKSANDROVICH, TOPOROV VLADIMIR ALEKSANDROVICH
• Format: Patent
• Language: English; Russian
• Published: 10.10.2013
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING

FIELD: process engineering.SUBSTANCE: piercer roller comprises entry cone, draft and exit cone. Decreased quantity of flaws on pipe inner surface is ensured by making variable-depth helical thread on roller entry cone working surface directed opposite the roller rotation, its maximum depth making 0....