FIELD: plastic metal working, namely, manufacture of balls for ball mills and bearing units. SUBSTANCE: rolling aggregate includes continuous casting plant, shears for hot cutting, heating up furnace, reversing screw rolling mill with cup-shaped double-bearing rolls, deforming unit in the form of ball rolling mill, apparatus for heat hardening in the form of metallic box. Walls of metallic box support inclined guides for balls. Said guides are mounted with possibility of rocking. Invention allows to vary reduction modes in wide range and therefore to use different-diameter blanks of different kinds of steels, for example of alloyed steels. EFFECT: enhanced efficiency of rolling aggregate, high quality of rolled pieces. 1 dwg
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SU1726077A1 |
Authors
Dates
2000-04-27—Published
1998-12-10—Filed