Tape laying apparatus and method

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 70/38 (2006.01)

Patent

CA 2571744

An automated tape head assembly for a multiple axis tape laying machine includes a tape supply reel and a tape compaction roller. Tape from the supply reel passes through theeh space between the two independent structures of the supply reel and compaction roller defining a tampe path that substantially maintains a zero Gaussian curvature of the tape. The tape path is a curved path referred to as a compliance loop that results from a substantially or partially unrestrained curved path between the supply reel and the compaction roller. The structure allows the compaction roller to shift laterally and vertically with respect to the supply reel while the supply reel is in a fixed position with respect to the tape head assembly generally. This structure also allows the compaction roller to roll, steer, and follow the fiber tape~s natural path, all with significant independence from the supply reel.

L'invention concerne un ensemble tête de dépose de ruban automatisé pour machine de dépose de ruban multiaxiale, ledit ensemble comprenant une bobine débitrice et un rouleau de compactage de ruban. Le ruban de la bobine débitrice traverse l'espace entre les deux structures indépendantes de la bobine débitrice et du rouleau de compactage définissant un chemin de déplacement de ruban qui maintient sensiblement une courbure gaussienne nulle du ruban. Le chemin de déplacement de ruban est un chemin incurvé appelé boucle de conformation qui résulte d'un chemin incurvé sensiblement ou partiellement non soumis à limitation entre la bobine débitrice et le rouleau de compactage. La structure permet au rouleau de compactage de se décaler latéralement et verticalement par rapport à la bobine débitrice tandis que la bobine débitrice est dans une position fixe par rapport à l'ensemble tête de dépose de ruban, d'une manière générale. Ladite structure permet également au rouleau de compactage de rouler, de diriger et de suivre le chemin de déplacement naturel du ruban de fibres, tout ceci indépendamment de bobine débitrice.

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