Parallel configuration composite material fabricator and related methods
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-070/38
출원번호
US-0245307
(2005-10-06)
등록번호
US-8578995
(2013-11-12)
발명자
/ 주소
Nelson, Paul E.
출원인 / 주소
The Boeing Company
대리인 / 주소
Harness, Dickey & Pierce, P.L.C.
인용정보
피인용 횟수 :
3인용 특허 :
63
초록▼
The present invention relates to device and methods for fabricating a composite article having a plurality of material dispensers, which can increase productivity. In one embodiment, a device includes a structure defining a work surface datum, and material dispensers movable relative to the structur
The present invention relates to device and methods for fabricating a composite article having a plurality of material dispensers, which can increase productivity. In one embodiment, a device includes a structure defining a work surface datum, and material dispensers movable relative to the structure. Each material dispenser applies strip material to the work surface datum along a predetermined axis. The predetermined axes are generally parallel to one another. The strip material applied to the work surface datum forms a layer of the composite article.
대표청구항▼
1. A method for fabricating a composite article with a plurality of composite material dispensers, the method comprising: installing an independent supply roll of composite strip material onboard each of the composite material dispensers;based at least in part on a dimension of the composite strip m
1. A method for fabricating a composite article with a plurality of composite material dispensers, the method comprising: installing an independent supply roll of composite strip material onboard each of the composite material dispensers;based at least in part on a dimension of the composite strip material, selectively spacing the material dispensers on two opposite sides of a bridge rail to which the dispensers are adjustably coupled, the bridge rail thus extending between, and supporting, a first plurality of material dispensers and a second plurality of material dispensers, the first and second pluralities of material dispensers configured relative to one another such that the first and second pluralities of material dispensers dispense the composite strip material in opposite directions relative to the bridge rail;moving the bridge rail in a first direction to apply the composite strip material from the first plurality of material dispensers during a first stroke, where the first direction is toward a first of the opposite sides of the bridge rail;moving the bridge rail in a second direction to apply the composite strip material from the plurality of second material dispensers during a second stroke, where the second direction is toward the second of the opposite sides;further moving the bridge rail pivotally about an axis perpendicular to a longitudinal axis of the bridge rail, to collectively rotate all of the first and second pluralities of material dispensers, the rotation being performed either subsequent to the first stroke or subsequent to the second stroke, and then stopping movement of the bridge rail relative to the work datum before applying the composite strip material from one of the first or second pluralities of material dispensers in a subsequent stroke; andthe composite strip material forming at least a first layer of the composite article having the composite material oriented in a first orientation and, a second layer of the composite material of the composite article having a second orientation which is not parallel to the first layer. 2. The method of claim 1, comprising maintaining at least one of the first and second material dispensers in an inactive state while another of said first and second material dispensers is applying strip material from its onboard supply of strip material. 3. The method of claim 1, wherein the second stroke is performed only after completion of the first stroke. 4. The method according to claim 3, comprising moving at least one of the first and second pluralities of material dispensers transversely relative to an axis representing the first and second strokes. 5. The method according to claim 1, further comprising replenishing the supply rolls of strip material onboard the first and second pluralities of material dispensers by using a plurality of automated material dispenser changers disposed on opposite sides of the bridge rail. 6. The method according to claim 1, further comprising smoothing strip material by using retractable compactors onboard the first and second pluralities of material dispensers. 7. A method for fabricating a composite article with a plurality of material dispensers, the method comprising: supporting a bridge rail for rotational movement;applying along a first axis first composite strip material from only a first plurality of material dispensers to a work surface datum during linear movement, in a first direction, of the bridge rail to which the first plurality of material dispensers is attached, and second composite strip material from a second plurality of material dispensers to the work surface datum during linear movement, in a second direction along the first axis, of the bridge rail to which the second plurality of material dispensers is attached, the first and second material dispensers attached to sides of the bridge rail that face the dispensing directions, the first and second material dispensers extending generally in the opposed dispensing directions from the opposite sides of the bridge rail;applying the second composite strip material from the second material dispenser to the work surface datum along a second axis non-parallel to the first axis during only movement of the bridge rail in a second direction;rotating the bridge rail about an axis that is perpendicular to a longitudinal axis of the bridge rail to collectively and simultaneously rotate all of the first and second pluralities of material dispensers, and then stopping rotation of the bridge rail, and then further applying the composite strip material from one of said first and second material dispensers; andthe first and second strip materials forming one or more layers of the composite article that are arranged non-parallel to one another. 8. The method of claim 7, wherein: the first material dispenser is moved in a first stroke of movement as the first strip material is dispensed from the first material dispenser; andthe second material dispenser is moved in a second stroke of movement as the second strip material is dispensed from the second material dispenser.
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