Method and apparatus for casting, hot rolling and annealing non-heat treatment aluminum alloys
Type: Patent
View the complete
patent at USPTO.gov
  
Number: 6743309
Market: Aerospace,Alumina,Aluminum Ingot,Automotive,Building & construction,Commercial transportation,Industrial products,Packaging and consumer,Oil & Gas,Consumer electronics,Sustainability
Technology: Manufacturing systems & technology
Year: 2004
Abstract: This invention provides a method and apparatus for casting, hot rolling and annealing of non-heat treatable aluminum alloys which comprises continuously casting, hot rolling and, in-line with the hot rolling line, heating the aluminum sheet using infrared heat. The infrared heating system uses a control to assure that the aluminum alloy is heated to the proper temperature based on one or a number of process variables, such as hot rolling exit temperature, hot rolled product exit rate in terms of speed and product dimensions, and sheet temperature at the exit of the infrared heater. Variations in the infrared heating temperature can be tolerated in the product without deviating from target mechanical properties.
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