Air Products’ new Thermal Spray Cooling Technology, which uses cryogenic nitrogen vapour to maintain part temperature during thermal spray coating applications, is reportedly enabling Delta Air Lines Inc. to apply quality coatings on critical aircraft parts more effectively and economically than with traditional methods.
The success of this technological collaboration assisted Air Products in winning a contract to supply Delta’s Technical Operations Facility in Atlanta, Ga. with all of its bulk nitrogen, argon, oxygen and hydrogen requirements.
Air Products’ Thermal Spray Cooling Technology is an automated cryogenic gas cooling system that is being used by Delta’s HVOF (high velocity oxygen fuel) thermal spray department to coat critical wear parts, such as rotating engine parts and landing gear. By eliminating the need for inter-pass cooling breaks, the Air Products cooling system has enabled Delta to reduce the spray-coating time by as much as 50%, while also reducing the amount of feed powder sprayed and the volume of gases consumed in the coating of its landing gear axles.
“Delta gave us parameters on how they wanted the machine to think and act, and we designed a thermal spray cooling system to meet their specifications,” said Matt Thayer, Senior Principal Engineer, Commercial Technology at Air Products.
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