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Yesterday, being stocked in the stores of Milan, Paris, London and New York was enough for Australian designer Rebecca Vallance. Today, the sky’s the limit, with Vallance announced as the new designer of Qantas uniforms.
The airline revealed in January that it would be grounding the French navy, ruby red and fuchsia pink uniforms released by Paris-based Australian designer Martin Grant in 2013, launching a competitive selection process for one of the most coveted contracts in Australian fashion.
“When I made it through the first round, I burst into tears,” Vallance says. “That’s how seriously I was taking it. That was only round one.”
Australian designer Rebecca Vallance has been selected to design the new uniforms for Qantas staff.
The floodgates reopened this week when Grant sent Vallance a message of congratulations on joining an exclusive roll call of Qantas uniform designers, that includes Yves Saint Laurent, Emilio Pucci and Peter Morrissey.
“It was a rigorous interview process and so it should be,” Vallance says. “It’s a big deal and a big responsibility.”
As part of the uniform changeover, Qantas chief executive Vanessa Hudson commissioned a survey of the airline’s 17,500 uniformed workforce for input into the design process.
“Our uniform represents the Qantas spirit all over the world,” Hudson said in a press release. “We’re proud to be working with Rebecca Vallance to define the new look and to reflect where Qantas is heading. We want the new uniform to reflect the pride our team feel when they wear it and this redesign is a collaborative journey that will be shaped by our people every step of the way.”
The new Qantas uniform by Rebecca Vallance will be unveiled in 2027.
Since launching in 2011, the Ballarat-born, Sydney-based designer’s eponymous brand has grown in popularity, with evening wear and trim suiting found in leading international department stores and nine standalone Rebecca Vallance stores across Australia.
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Equilibrado de piezas
El equilibrado representa una fase clave en el mantenimiento de maquinaria agricola, asi como en la produccion de ejes, volantes, rotores y armaduras de motores electricos. El desequilibrio genera vibraciones que incrementan el desgaste de los rodamientos, generan sobrecalentamiento e incluso llegan a causar la rotura de componentes. Con el fin de prevenir fallos mecanicos, resulta esencial identificar y corregir el desequilibrio de forma temprana utilizando metodos modernos de diagnostico.
Principales metodos de equilibrado
Existen varias tecnicas para corregir el desequilibrio, dependiendo del tipo de pieza y la intensidad de las vibraciones:
El equilibrado dinamico – Se aplica en elementos rotativos (rotores, ejes) y se realiza en maquinas equilibradoras especializadas.
El equilibrado estatico – Se emplea en volantes, ruedas y piezas similares donde es suficiente compensar el peso en un unico plano.
La correccion del desequilibrio – Se lleva a cabo mediante:
Taladrado (eliminacion de material en la zona mas pesada),
Instalacion de contrapesos (en ruedas, aros de volantes),
Ajuste de masas de balanceo (como en el caso de los ciguenales).
Diagnostico del desequilibrio: equipos utilizados
Para identificar con precision las vibraciones y el desequilibrio, se emplean:
Maquinas equilibradoras – Miden el nivel de vibracion y definen con precision los puntos de correccion.
Equipos analizadores de vibraciones – Registran el espectro de oscilaciones, detectando no solo el desequilibrio, sino tambien otros defectos (como el desgaste de rodamientos).
Sistemas laser – Se emplean para mediciones de alta precision en componentes criticos.
Especial atencion merecen las velocidades criticas de rotacion – regimenes en los que la vibracion aumenta drasticamente debido a la resonancia. Un equilibrado adecuado evita danos en el equipo en estas condiciones de funcionamiento.