FIELD: plastic metal working, namely, apparatuses for straightening, possibly for cold straightening of merchant rolled shapes with round cross section. SUBSTANCE: roller includes barrel with groove restricted by circle arc. Lateral walls of groove have outlet portions with angles 10-20 degrees joined with circle arc. In bottom of groove there is slot whose width consists 0.2-0.3 of diameter of circle. Circle arc is limited by outlet portions of lateral walls and it consists 140-160 degrees. EFFECT: enhanced quality of merchant rolled shapes with round cross section, simplified guiding of shapes into straightening machine. 1 dwg, 1 tbl
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Authors
Dates
2002-09-20—Published
2001-01-03—Filed