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

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Condition: Used

Description

39" (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**