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Cold strip mill – Five-stand cold rolling tandem mill

The hot strip is rolled down to the thickness required by the customer on the tandem mill.

Stand no.	1	2	3	4	5
Type	four-high	four-high	four-high	four-high	six-high
Adjustment	hydraulic	hydraulic	hydraulic	hydraulic	hydraulic
Work roll Ø (max.)	500 - 560 mm	500 - 560 mm	500 - 560 mm	500 - 560 mm	415 - 475 mm
Intermediate roll Ø (max.)	-	-	-	-	515 - 575 mm
Backup roll Ø (max.)	1.420 mm	1.420 mm	1.420 mm	1.420 mm	1.420 mm
Roll barrel length	2.030 mm	2.030 mm	2.030 mm	2.030 mm	2.030 mm
Rolling force/stand	2.700 t	2.700 t	2.700 t	2.700 t	2.700 t
Drive power [kW]	2 x 2 x 1.500	2 x 2 x 1.650	2 x 2 x 1.650	2 x 2 x 1.650	2 x 2.700
Strip tension	max. 9 t	max. 55 t	max. 55 t	max. 55 t	max. 45 t
Rolling speed [m/min]	max. 770	max. 930	max. 1.080	max. 1.260	max. 1.425

Strip width range	900 - 1.880 mm
Strip thickness range	0,3 - 3,5 mm
Coil weight	max. 32 t
Strip tension	max. 55 t
Capacity	150.000 t/mo

Layout

01.) Pay-off reel
02.) Thickness measuring and regulation
03.) Stand

04.) Cross-cut shear
05.) Flatness measuring and regulation
06.) Tension reel with strap winder