Aéronautique

Les matériaux à la fois très résistants et légers sont d'une importance capitale dans l'aéronautique. De nouvelles combinaisons de matériaux permettent de réduire davantage le poids, d'augmenter la solidité et la résistance à la corrosion ainsi que de simplifier le montage grâce à une construction intégrative. Tandis que les composants structurels en aluminium, titane ou aciers haute résistance sont usinés sur des centres d'usinage ou des machines à portique, l'usinage du montage final est réalisé au moyen de machines manuelles, d'unités d'avance de perçage ou de robots.

Fabrication de pièces

Dans la fabrication de pièces, l'usinage des composants est stationnaire, c'est-à-dire que les composants sont usinés dans une machine avec une ou plusieurs fixations d'outils. Les pièces cubiques de petite et moyenne taille peuvent être usinées sur un centre d'usinage, tandis que les composants de grande taille nécessitent des machines spéciales à portique.

Usinage du titane par enlèvement de copeaux: Titanium machining

Titanium and titanium alloys are predestined for use in aerospace. High demands are placed on workpiece material strength and corrosion resistance in relation to their specific weight. This results in a wide range of applications extending from small mechanically processed structural parts to load-bearing parts in the fuselage or blades in the engine.

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Aluminium machining: Aluminium machining

When it comes to pre-series or prototype moulds, it is not unusual to use materials that are easy to machine. Aluminium alloys or uriol (plastics) are often used. In these cases, solid carbide tools with positive and partly polished cutting edges, or better still, PCD-tipped tools ensure high productivity and short machining times.

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Plastics and CFRP machining: Plastics and CFRP machining

Fibre composite materials are very strong and rigid relative to their light weight. The properties of the materials can be modified as required, by making use of various matrix materials and types of fibres. This allows the optimal fulfilment of the requirements that are made of the part. The parts are manufactured using a near net shape technique. Machining tasks include, among other things, the subsequent machining of the outer contour and the manufacturing of functional surfaces.

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Solutions for final assembly

Even today, handheld machines are still used in the final assembly of aircraft, due to their size. For example, in final assembly lines (FAL), rivet holes are made in the outer skin of the aircraft’s fuselage. The tools are equipped with special guiding elements.

Robot systems

Robot systems

Robots with end-effectors for drilling and riveting mounted on shuttles are moved from assembly position to assembly position along the aircraft fuselage and position themselves automatically. MAPAL has defined various tool features especially for the aerospace industry that can be adapted optimally to the material and the boundary conditions, depending on the machining situation.

High process reliability
Optimum tool design for every application
Many years of experience guarantee the best machining results

Drill feed units

Drill feed units

In contrast to handheld machines, drill feed units allow the tool to be guided mechanically. An additional guidance is required from a total length of 120 mm or more. The use of drill bushes is recommended. Our tools convince through:

Minimal burr formation and improved centring
Optimal bore quality and a long tool life
Low emissions when machining

Hand drills

Hand drills

Handheld machines offer a high degree of flexibility but lack the qualities required for stable tool guidance. As a result, additional stabilisers are needed to produce a constant diameter. MAPAL has developed a range of high-performance tools specifically for machining with handheld machines and drill feed units.

Drilling from solid

Tools for drilling from solid in multilayer composite materials (stacks) made out of CFRP, aluminium, high-alloy steels or titanium with a hand drill.
Boring and reaming

Boring and reaming of through bores tools with special cutting leads and guiding elements for the reliable production of precise bores with high surface quality and accurate concentricity.
Countersinking

Producing precise, circular countersinks and spot faces on bores that have already been pre-drilled.

Aéronautique

Fabrication de pièces

Titanium machining

Aluminium machining

Plastics and CFRP machining

Solutions for final assembly

Robot systems

Drill feed units

Hand drills

Drilling from solid

Boring and reaming

Countersinking

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