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Soudage par points au laser à transmission traversante pour le PMMA et le PVC
Paperback
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ISBN10: 6206763471
ISBN13: 9786206763475
Publisher: Editions Notre Savoir
Published: Apr 28 2025
Pages: 76
Weight: 0.25
Height: 0.18 Width: 6.00 Depth: 9.00
Language: French
ISBN13: 9786206763475
Publisher: Editions Notre Savoir
Published: Apr 28 2025
Pages: 76
Weight: 0.25
Height: 0.18 Width: 6.00 Depth: 9.00
Language: French
Le soudage par points au laser à transmission traversante est une technologie de soudage importante en raison de sa large utilisation dans le domaine du soudage. Une machine laser 3D CNC équipée d'un laser à diode de 1064 nm a été utilisée. Deux types de polymères (PMMA et PVC) ont été soudés pour différentes (épaisseurs, temps de soudage au laser et pression de serrage des échantillons) à une puissance laser de 3,29 W. Un balayage par spectroscopie infrarouge à transformée de Fourier et une transparence ont été effectués pour chaque polymère. La résistance à la traction et la microstructure ont été examinées pour chaque point de soudure. Il a été observé que le meilleur temps de soudage au laser pour toutes les pièces soudées était de 5 secondes pour les pièces étudiées. Le processus de soudage des groupes de PMMA a été réalisé. Il a été observé que la force de soudage augmentait avec le temps de laser et la pression de serrage jusqu'à (5sec, 5 bar) respectivement. Pour une épaisseur de 2,50 mm, la meilleure condition pour le temps de soudage au laser et la pression de serrage était (4 secondes et 5 bars) respectivement. Pour une épaisseur de 6,00 mm, les meilleures conditions pour le temps de soudage au laser et la pression de serrage étaient respectivement (5 secondes et 5 bars). Des résultats similaires ont été obtenus pour les groupes de PVC d'une épaisseur de 1,00 et 0,70 mm.
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Saldatura a punti laser a trasmissione passante per PMMA, PVC
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