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39" (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL   Our stock number: 114220

39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL

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39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL
39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL39 (1000mm) DEMAG SENDZIMIR 2O HIGH ROLLING MILL


Type of Mill : 20hi Reversing Single Stand cold rolling mill
Material to be Rolled : Hot rolled and pickled coil of low carbon steel
Mill Origin : Demag - Sendzimir, Germany
Present status : Running in good condition
Year of Mfg : 1967

Phase wise up gradation:
2001: Erection & commissioning with sophisticated L&T drive, Modicon PLC,
Spradecom thickness gauge & AGC Alstom PLC.
2004: Thickness gauge up gradation with M/S Jasch Engg.pvt Ltd.
2005: Coil rolling capacity increased 10 ton to 18 ton mechanically and
electrically drive upgraded with M/S control technique to get optimum Tension
and AGC revamped with M/s Pitel Engg pvt Ltd, India
2010: PLC &HMI system upgraded with Siemens (Latest version).
2015: Drive system revamping with ABB ACS 800(latest version), Germany and
Siemens PLC & HMI

Incoming coil data:
Strip width : 1000 mm max.
Strip thickness (input) : 2.0 mm max.
Coil size : 508 I.D x 1850 O.D
Coil weight : 18 ton max

Outgoing coil data:
Strip thickness (finished) : 0.095 mm min.
Coil size : 508 I.D x 1850 O.D
Coil weight : 18 ton max

Other Specification:
Mill hand : Right to Left
Mill speed : 530 mpm max

Work rolls : 2 nos 60 mm dia x1114 mm length
Back up roll : 8 nos with 40 nos bearing set
Roll barrel : (300 mm dia x172 mm width)
Drive roll :4 nos 170-173 mm dia,1221 mm length
Idler Roll :2 nos 170-173 mm dia,1258 mm length
IMR :4 nos 98 mm to 104 mm dia,1185 mm length

Motors
Main mill : 2 x 1750 HP DC, 0 - 450 - 760 rpm
ETR : 2 x 900 HP DC, 0 - 230 - 730 rpm
DTR : 2 x 900 HP DC, 0 - 230 - 730 rpm
Pay off reel : 1 x 25 HP AC (for threading only)
Leveler and feeding motor : 1x35 HP AC
Gear box ratios
Main mill : 1:1
Coiler : 2.18:1

Drum diameter
Coiler : 508 mm
Pay off reel : Cone Type
Strip tension : 16000 kg max.
Strip winding : Under winding
Strip thickness control : Automatic gauge control system (AGC)
Pitel Engg. Pvt Ltd,New Delhi, India with Hydraulic cylinder operated system
Strip Thickness Measuring : Non contact type thickness measuring Gauges at
Mill entry and delivery side
Type : Isotope, 3 curie
Movement : by hydraulic cylinder
Supplier : Jash Industries Ltd, Mumbai, India
Roll Separating force : 50 ton.
Measurements:
Pass line height : 900 mm
Deflector roll diameter : 400 mm

Roll coolant:
Roll coolant : VELROLL
Grade : VELROLL 26
Concentration : 2.5 - 3 %
COT pump motor : 110 KW
DOT pump motor : 45 KW

Fume exhaust system : Installed with Mill hood
Motor ventilation Blower : 1no.
Motor power : 350 kw AC, 970 rpm
Lubrication system : One no centralized lubrication for Entry, Exit
Tension reel GB and Mill pinion stand.
Motor Bearing : White metal bearing
Motor bearing lubrication : Pedestal cooling
Tension Reels : Expanding/Collapsing Single expansion type
Mandrel.

Transformer Specification:
Mill Transformer :11 kv/750dual winding V,50 Hz, DdOYN11,4100
kva,Voltamp,India
DTR transformer :11 kv/750 V,50 Hz, DYN11,2000 kva,Voltamp,India
ETR Transformer :11 kv/750 V,50 Hz, DYN11,2000 kva Voltamp,India
Auxiliary Transformer :11 kv/440 V,50 Hz, DYN11,2000 kva,Energy
pac,Bangladesh

VCB Specification
Incomer :1250 A,Drawout type , Energy pac,Bangladesh
ETR Transformer : 630 A,Drawout type , Energy pac,Bangladesh
DTR Transformer : 630 A,Drawout type , Energy pac,Bangladesh
Mill Transformer : 630 A,Drawout type , Energy pac,Bangladesh
Auxiliary Transformer : 630 A,Drawout type , Energy pac,Bangladesh

Automation device:
Drive system : DC drive, ABB, Germany, Commissioning done by
Control care, India
PLC : S7 300 and 315, Siemens
AGC : Thickness control with auto gauge control and
ASD.M/S Pitel Engg.pvt Ltd, New Delhi, India
HMI system : Semantic, Siemens, Control care India Ltd.

**Temporary Specifications Subject to Revisions**


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