Historic Cover Archive
1991 to 1989
1991 to 1989
Caption: The cover shows the cooling bed for hot bars after the final rolling at Teledyne ALLVAC'S new mill in Richburg, South Carolina. Cooling is achieved by forced air, water quenching or slow cooling as directed by the computer.
Caption: A product inspector at Reynolds Metals Company's alloys plant near Sheffield, Alabama, examines giant coils of aluminum that will be fabricated into recyclable aluminum beverage cans.
Caption: The operator in the photo is checking the monitor of the environmental control system at Norsk Hydro Magnesium's Becancour, Quebec facility.
Caption: Starting in the upper left hand corner, reading left to right, process sequence from casting to finished foil is shown as follows: GKI furnace and casting plant, Seco/Warwick tilting holding furnace, Gautschi D.C. slab casting machine, Lauener thin-slab continuous caster, Hunter continuous sheet caster, Ingersoll slab scalper, Ebner slab heating furnace, SMS single-stand hot rolling mill, Davy McKee tandem hot rolling mill, Hitachi cold rolling mill, Achenbach foil mills, Kampf foil annealing/coating line.
Caption: The 1800 ton "Revolver" press installed at the Metal Works in Frosinone, Italy has reduced press downtimes for billet charging by a more efficient working cycle.
Caption: Foseco's mobile degassing unit (MDU), shown in operation at the AC Foundry in Battlecreek, Michigan, is used to remove hydrogen from molten aluminum.
Caption: JUNKER indirect gas-fired pit furnace for heating 300 tonnes rolling slabs (max. 4500 mm long, upto 600 mm thick) at British Alcan Sheet Ltd., Newport Gwent, Great Britain. 30 slabs i.e., 300tonnes are heated in 6.5 hours to 590°C.
Caption: Titanium ingot inspected prior to forging at Intemational Light Metals plant at Torrance, California.
Caption: The world's largest magnesium ingot. On March 16, 1990, Norsk Hydro Canada produced the world's largest magnesium ingot at its Becancour plant. The T-bar ingot was DC cast using Norsk Hydro's exclusive state-of-the-art multi-strand technology, and weighed close to 4,500 kg. The Becancour plant produces magnesium in billets, T-bars, ingots, and grinding slabs.
Caption: The cover photograph shows finished can sheet coils awaiting packaging and shipping from one of Alumax Mill Products Inc., six plants. Their plants are located in Texarkana, Texas, Lancaster, Pennsylvania, Riverside, California and Joiliet, Illlinois.
Caption: Starting in the upper left hand corner, reading left to right, presses shown are as follows: Clecim, 18 MN indirect press at Trefimetaux, SMS Hasenclever, 25 MN press at Euromax Aluminum, and Mitsui-Wean, 50 MN press at Nitto. Second row from top: Ube, 21 MN Press at Ketema-Pacific Extrusion, Wean, 25 MN press at Traco, and Hydraulik, 125 MN press at Spectrulite. Third row from top ABB-ASEA, 45 MN hydrostatic press at Hitachi Cable, SMS Sutton, 25 MN press at R.D. Werner, and Fielding, 16 MN press in South Africa. Bottom row: Holton Castex, Extruder at Alform Alloys, SMS Hassenclever, 35 MN indirect press at Alusuisseand Holton Conform, Extruder at NKT.
Caption: New, Japanese billet caster near Toyama, illustrates industry trend toward larger capacity DC casting stations. Toyama Alloys Limited's new billet caster casts 108 strands of 6" diameter billet The facility was successfully commissioned on October 17, 1989, and has an operating capacity of 120,000 MT per annum. The casting machine shown was built by the Misawa-Van Company (Tokyo, Japan), and is equipped with the AirSlip billet casting technology supplied by Wagstaff Engineering, Inc., (Spokane, Washington, USA).
Caption: Aluminum holding furnace completely lined with monolithic nonwetting low cement refractory castables.
Caption: A rolling ingot sawing line at Howmet Aluminum (Alumax) in Lancaster, Pennsylvania.
Caption: Aluminum mill photos courtesy of Achenbach Buschhutten: (1) 1888 first complete rolling mill. (2) 1918 first complete aluminum two-high rolling milltrain. (3) 1919 first lift-over type two-high sheet rolling mill. (4) 1921 first three-high sheet rolling mill. (5) 1924 first aluminum two-high reversing mill with cable pullers. (6) 1927 first three-high strip rolling mill. (7) modifications of two-high to three-high mills. (8) 1934 first foil rolling mill wilh friction coilers. (9)1938 heavy duty two-high cold rolling mill with (10) jumping jacks. (11) 1950 the uncompleted foil mill. (12 and 13 not shown). (14) 1952 first modern four-high aluminum strip rolling mill. (15) 1954 first four-high reversing strip mill lor copper and brass. (16) 1956 first complete aluminum rolling plant installation.
Caption: Production of new aluminum-based composite material. Top row: Casting of MMC foundry ingots; close-up of the first-ever direct-chill (DC) casting of an MMC extrusion billet. Bottom row: Cast billet being head-stamped; MMC materials staged for shipment. The background is a photomicrograph (320X) of a polished specimen, showing the uniform distribution of particles in the matrix (15 vol% A1203 in 6061 aluminum). (Dural Aluminum Composites Corporation, San Diego.)