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“Free” Flowforming in Aerospace

40 years of experience and knowhow is conveyed on to find optimum solutions. Our expertise can provide optimum solutions in the Aerospace Industry for the following products

Aviation & Space

Drive Shafts for Jet Engines

Forming of shafts in the hardened condition to the finished part’s dimensions eliminates the otherwise-present distortion when tempering and drastically reduces the costs for balancing. The high precision of free flow forming technology permits the design of wall thicknesses very close to the theoretic minimum with the result of lowest component weights and imbalances. Tempered steels of all kinds and highly temperature-resilient

Drive Shafts for Helicopters

Tail rotor drive shafts made of titanium, stainless steel or aluminum are predestined components for flow-forming procedures. The shafts are up to 4 m long, have a wall thickness of 1 – 3 mm and pose high demands to straightness and concentricity. The precise flow-forming procedure permits producing these shafts with a wall thickness tolerance of less than 0.05 mm and a concentricity of inner- to outer diameter of less than 0.03 mm. Different wall thicknesses within a shaft can be implemented easily in material utilization of up to %97.

Aero - Hydraulic Cylinders

Cylinders and pistons with an integrated piston rod for landing gears and actuators for doors or other applications are made of stainless steel, such as 15-5 PH. The cold forming process reduces material loss by more than 60% as compared to conventional mechanical processing. Integration of connections and other applications can reduce the number of components at any one cylinder, which saves assembly effort and weight. Weight-optimized cylinder pipes and piston rods with integrated pistons that have a component length of up to 2 m can be produced beneficially by the flow-forming procedure.

Accumulators, Pressure Vessels

Seamless cones, housings and nozzles of niobium, tantalum, titanium, Inconel or other heat-resilient materials are beneficially produced of sheet metal by way of conic flow-forming, referred to as “shear-forming”. Extremely thin wall thicknesses in the area of 0.2-0.5 mm, as well as wall thicknesses of up to 10 mm, can be produced with outstanding