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VAC AERO Receives its First Vacuum Furnace Order from Bodycote.
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OAKVILLE, Ontario, (July 17, 2008) – VAC AERO has been awarded an order for two large vacuum furnaces from Bodycote, the world's largest supplier of thermal processing services. The equipment is destined for Bodycote's facility in Berlin, Connecticut. Both vertical, bottom-loading furnaces have work zone areas 72" diameter by 72" high, VAC AERO's unique graphite felt and carbon composite hot zone insulation, and lanthanated molybdenum elements mounted circumferentially and on top and bottom end shields. The furnace operating systems are based on VAC AERO's versatile hybrid control package with SCADA and complete network integration capabilities. VAC AERO has been building heat treating equipment since 1970 and specializes in the design and manufacture of high temperature vacuum furnaces for the global market. |
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Dayton Process - Fluorocarbon Cleaning Process
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The Ultimate Cleaning Treatment For Superalloy Repair.
All gas turbine engines require regular overhaul to ensure continued safe operation. During engine overhaul, decisions must be made on whether to replace deteriorated individual parts and assemblies with new components or to repair them. The ultimate decision depends on both technical and commercial criteria. That is, is there a technically sound repair available and, if so, is it economically favorable compared to the cost of a replacement component? Sometimes lack of availability of replacement components may override purely economic criteria. READ MORE
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Loading Practices for Vacuum Processing
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Once a good fixture design has been developed, careful consideration should next be given to the loading of the workpieces.
Heating in a vacuum depends mostly on the transfer of energy through radiation from the elements to the load. For uniform heating and cooling, it is important that the workpieces are not shielded by one another. Pieces within the load should be evenly spaced to ensure even exposure to radiation. The size, shape and high temperature strength of the workpiece should also be considered during loading. Alloys with complex shapes and relatively low strength at heat treating temperatures may distort during processing. In some cases, it may be necessary to support these components with specially designed fixtures. READ MORE
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