AUTOMATED FIBER-PLACEMENT SYSTEMS AND METHODS

AUTOMATED FIBER-PLACEMENT SYSTEMS AND METHODS

An automated fiber-placement method (300) comprises delivering a first quantity of pulsed energy (122) to first discrete portions (124) of at least one fiber-reinforced tape strip (104), and delivering a second quantity of pulsed energy (123) to second discrete portions (125) of at least the one fib...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOHNSON, Brice A, GHOSE, Sayata, MALIK, Kevin F
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:An automated fiber-placement method (300) comprises delivering a first quantity of pulsed energy (122) to first discrete portions (124) of at least one fiber-reinforced tape strip (104), and delivering a second quantity of pulsed energy (123) to second discrete portions (125) of at least the one fiber-reinforced tape strip (104), alternating with the first discrete portions (124). The first quantity of pulsed energy (122) heats the first discrete portions (124) to a first temperature. The second quantity of pulsed energy (123) heats the second discrete portions (125) to a second temperature. The automated fiber-placement method (300) further comprises laying down at least the one fiber-reinforced tape strip (104) against a substrate (116) along a virtual curvilinear path (128), such that (i) at least the one fiber-reinforced tape strip (104) is centered on the virtual curvilinear path (128), and (ii) the first discrete portions (124) are transformed into discrete tape-regions (148), geometrically different from the first discrete portions (124).