Method for making mechanical parts by decomposition into layers

Details Method for making mechanical parts by decomposition into layers Method for making mechanical parts by decomposition into layers

G - Physics

05

B

G05B 19/4099 (2006.01)

Patent

CA 2351661

The invention concerns a method for making mechanical parts and objects, in particular prototypes, from a specific computer-assisted design comprising the following successive steps: making the parts in elementary layers or strata; reconstructing the assembly of layers; assembling the layers, said layers being derived from previous decomposition according to specific planes and one or several step(s). The invention is characterised in that the unit layers determined by the decomposition of the part using a software and machined accordingly comprise essentially: a central portion (8) effectively corresponding to the layer having the shape and thickness desired for the finished part; an outer portion (11) substantially of same thickness, enclosing at least partly said central portion; cleavable hasps (10) linking said central and outer portions together.

Procédé de réalisation de pièces mécaniques et objets, en particulier de prototypes, à partir d'une conception assistée par ordinateur spécifique du type comportant les phases successives de: fabrication des pièces en couches ou strates élémentaires; reconstitution de l'ensemble des couches; assemblage des couches; lesdites strates étant issues d'une décomposition préalable de la pièce selon des plans et un ou des pas déterminés, caractérisé en ce que les strates unitaires déterminées par la décomposition de la pièce mettant en oeuvre un logiciel et usinées en conséquence comportent essentiellement: une partie centrale (8) correspondant effectivement à la strate ayant la forme et l'épaisseur recherchées pour l'obtention de la pièce finie; une partie extérieure (11) sensiblement de même épaisseur, enveloppant au moins partiellement ladite partie centrale; des pontets sécables (10) reliant lesdites parties centrale et extérieure entre elles.

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