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Bar Rolling Mill
Author : hani Time : 2019/07/03Full Continuous Rolling Bar Rolling Mill Line
Bar Rolling Mill Annual Capacity: 30,0000 ∼ 50,0000 TPY
The billet is 150mm *150mm *8000mm continuous casting billet with a billet weight of 1404 kg.
Products: hot rolled round steel, ribbed steel bar.
Rolling Speed: maximum finishing speed of 16 m/s.
Specification: round steel ∅14mm~∅40mm, ribbed steel ∅12mm~∅40mm.
Steel Grades: ordinary carbon structural steel, high-quality carbon structural steel, low alloy steel, alloy steel, anchor chain steel, steel for standard parts, etc.
Production Process
Continuous Casting Billet → Reheating Furnace → Roughing Rolling Mill → 1 Flying Shear → Medium Rolling Mill → 2 Flying Shear → Finishing Mill → Step Rack Type Flying Shear → Walking Beam Cooling Bed → Cold Shear → Inspection Collection →Bundling, Tying and Packaging → Weighing Storage
Full Continuous Rolling Technology
This bar rolling mill production line is a fully continuous bar rolling mill production line. There are 18 rolling mills in the whole rolling mill line, which are divided into roughing mills, intermediate rolling mills, and finishing mills.
Each unit is composed of six short stress rolling mills arranged alternately by horizontal rolling mills and vertical rolling mills, of which the 16th and 18th are horizontal-vertical convertible mills, and each stand is driven by a DC motor alone. The whole bar rolling mill line adopts full continuous rolling and non-twist rolling, and the roughing mill and intermediate mills adopt micro-tension rolling.
After the 12th rolling mill, vertical loopers are set up between the stands to implement tension-free rolling, thus producing high-precision products. The bar rolling mill line is controlled automatically by the computer to realize single-line continuous rolling with the maximum finishing speed of 16 m/s.