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Airbus A350 XWB: Weiss Heat Technology develops a custom oven for aircraft doors

Safety and reliability are top priority in aircraft construction. Aircraft manufacturer Airbus relies on the technical ability and expertise of Weiss Heat Technology headquartered in Germany. Commissioned by Airbus Helicopters, Weiss engineers built an innovative special oven, which is used to construct the aircraft doors of the brand new wide-body aircraft A350 XWB.

Airbus started to roll out the new wide-body aircraft A350 XWB at the end of December. The doors of the new aircraft are built on the German site of Airbus Helicopters in Donauwörth. The technical plant, in which the CFRP components for the aircraft doors are cured, was specifically developed for Airbus by Weiss Heat Technology. Key factors are the ease of use, occupational safety, optimized accessibility, accelerated production and making the operation more cost-efficient.

Process in three phases

The three phases during the manufacturing process in Weiss's continuous oven are evenly timed.

The components are covered with a special rubber membrane, put under vacuum and compacted together with the binder material at a specific temperature. This produces preforms of the component. At this point the carbon fiber compound is only partially set for later filling with resin.

The lifting door of the continuous oven opens and the charge is inserted. In the oven, temperatures of between 140 and 180 degrees Celsius are maintained for a period of about 30 minutes. Vacuum continues to ensure that the form stability is also retained at high temperature. Both circulating air and infrared heaters are used to heat the oven.

After curing, the door assembly is transported for a cooling step. Depending on the charge, cold air of 4 to 8 degrees is used for cooling. "For large components, we achieve the same cooling times by lowering the temperature accordingly," said Erwin Ninic of Airbus. "For smaller components the temperature is correspondingly higher." Once the cooling period is over, the lifting platform returns to its lower position and the system plate retracts to beneath the plant. The loading station cycle starts over again.

Professional and cost-efficient

Mr. Ninic praised the special oven made by Weiss. "The machine has run daily from March 2014 – without fault and reliably in three-shift operation” The company's machine is the second of its kind for Airbus Helicopters. Based on the positive experience and an extensive comparison with competitors, Airbus once again decided to collaborate with Weiss.

Press release issued by Weiss Technik North America, Inc. on December 7, 2015

 

 Contact details from our directory:
Weiss Technik North America, Inc. Test Equipment, Environmental Test Equipment, Test Chambers, Industrial Ovens, Corrosion Testing Equipment, Fatigue Test Equipment, Temperature Test Equipment

 

 Related aircraft programs:
Airbus A350 XWB

 

 Related directory sectors:
Test Equipment

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