69" Davy-McKee Aluminum Cold Rolling Mill: RM-442

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Description

Manufacturer - Davy-McKee - New 1989 Type of Mill: - Single stand 4-Hi cold mill - Hand of mill = right to left Material: Aluminum / 3004 and 5017 alloys Mill Rolling Load - Design - 1,500 U.S. Tons Maximum Available - Actual Maximum - 1,067 U.S. Tons As Required by Schedule Roll Bend Cylinders: - Quantity - 8 positive and 8 negative - Diameter - 4.75" - Operating Pressure - 2500 psi Entry Gauge: - Maximum - .130" x 65" wide - Design - .080" x 69" wide - Minimum - .009" x 46" wide Exit Gauge: - Maximum - .072" x 65" wide - Design - .0115" x 69" wide - Minimum - .007" x 46" wide Strip Width: - Maximum - 69" - Minimum - 46" Coil Size: - ID - 24" - OD - 89" - Density - 569" PIW - Weight - 40,000 lbs (with spool) Spool: - 1.75" wall thickness = 24" ID, 27.5" OD, 2900 lbs - 1.00" wall thickness = 24" ID, 26" OD, 1780 lbs Work Roll Size: - Diameter = 16.5" max / 15.375" min - Face = 73" excluding chamfers - Work Roll Assembly Weight = 12,400 lbs Back-Up Roll Size: - Diameter = 44" max / 41" min - Face = 71" excluding chamfers - Back-Up Roll Assembly = 76,000 lbs Roll Coolant: - GPM = 1200 - PSI = 85 nominal at mill (with all sprays on) - Temperature = 110 degrees F - Coolant Pump = 120 psi at 1200 gpm UNCOILER: - Motors = one (1) - Horsepower 0/1000/1000 x Speed 0/300/1050 rpm - Gear Box Ratio = 3.67:1 low / 1.83:1 high - Maximum Strip Speed Low Gear = 1800 fpm - Maximum Strip Speed High Gear = 3600 fpm - Tension Range = 18,000 - 2,600 lbs in low gear / 9,000 - 1300 lbs in high gear MILL: - Motors = two (2) - Horsepower 0/2500/2500 each x Speed 0/400/1000 rpm - Gear Box Ratio: 2.16:1 low / 1.08:1 high - Mill Speed with max Work Roll diameter = 0/800/2000 fpm low / 0/1600/4000 fpm high RECOILER: - Motor = One (1) - Horsepower 0/1000/1000 - Speed 0/300/1050 rpm - Gear Box Ratio = 3.00:1 low / 1.43:1 high - Maximum Strip Speed Low Gear - 2200 fpm - Maximum Strip Speed High Gear - 4600 fpm - Tension range = 14,000 - 2,100 lbs in low gear / 6,700 - 1,000 lbs in high gear ROLL LOAD CYLINDERS: - Two (2) / 28 in bore size / 616 square inches cylinder area / 2500 psi operating pressure - Design Rolling Load = 3 million lbs. (1,500 tons) Shape Gauge = Vidimon Shapemeter roll installed Thickness Gauge = automatic gauge control installed Sold "as is, where is" EXW installed.

Specifications

ManufacturerDavy-McKee
Year1989
ConditionUsed
Stock NumberRM-442