LGZ-1500/Y Aluminium Rod Continuous
Casting & Rolling Line
I. Application of the line:
This line is used for producing conductive aluminium rod of Ф15, Ф12 andФ9.5mm by means of continuous casting and rolling technology, among which 11 rolling stands for Ф15mm aluminium rod, 13 rolling stands for Ф12mm aluminium rod and 15 rolling stands for Ф9.5mm rolling stands.
II. Technological Process
1. Schematic diagram of technological process:
Aluminium Ingot or aluminium Scrap→Melting Furnace→Holding Furnace→Continuous Casting Machine →Oil Hydraulic Shear→ Continuous Rolling Machine →Dual-spool→Continuous Winding Machine→Finished Rod
2. The molten aluminium from the melting furnace flows to the wheel-type continuous casting machine through the launder, and is made into trapezium ingot with a cross section of 2420mm2. Then, the finished ingot is cut off by oil hydraulic shear while the top of the ingot is pressed smaller to feed into the continuous rolling machine. At last, the finished rod is wound as coils by dual-spool winding machine.
III. Main technical Specifications:
Diameter of conductive aluminium rod: Ф15, Ф12, Ф9.5mm
Productivity: 2.5-4.5 t/h
Total size of the line: 32.05x7.2x4.2m
Total weight of the line: 65t
Technical specifications for each part:
1. Casting Machine
A. Diameter of crystallization wheel Ф1500mm
B. Cross section of crystallization wheel 2420mm2
C. Cross section of casting ingot 2420mm2
D. Casting Speed 7.6-15m/min. (motor speed 500-1000rpm)
E. Rotating speed of crystallization wheel 1.66-3.3r/min.
F. Motor power 3kw (DCN=1500r/min.)
G. Cooling water pressure 0.35-0.6MPa
H. Cooling water capacity 100t (60t/h for inner cooling, 40t/h for outer cooling)
2. Single-rail Hydraulic Shear
A. Max. cutting force 12000kg
B. Max. cutting distance 65mm
C. Hoisting motor type TV-0.50 lifting weight 500kg
D. Oil pump type YB-25, oil pressure 65kg/cm2
Flowrate 25L/min.
E. Motor power 4kw, N=960r/min.
3. “Y” type continuous Rolling Machine
A. Model 3-roller Y-type
B. Diameter of finished rod Ф15, Ф12, Ф9.5mm
C. No. of stand 15 stands, 13 stands , 11 stands
D. Nominal size of rollerФ255mm
E.Transmission ratio of adjacent stands: 1:1.25
F. Final rolling speed V=6.2m/s
G. Rolling center height 902.5mm
H. Main motor power 250kw (DC N=500r/min.)
I. Lubrication oil tank for gearbox 5m3
J. Emulsion tank: 15 m3
IV. Composition and construction
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