RU2010146181A - Способ изготовления снабженной с двух сторон защитным слоем сердцевинной структуры, а также сердцевинная структура - Google Patents

Способ изготовления снабженной с двух сторон защитным слоем сердцевинной структуры, а также сердцевинная структура Download PDF

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RU2010146181A
RU2010146181A RU2010146181/05A RU2010146181A RU2010146181A RU 2010146181 A RU2010146181 A RU 2010146181A RU 2010146181/05 A RU2010146181/05 A RU 2010146181/05A RU 2010146181 A RU2010146181 A RU 2010146181A RU 2010146181 A RU2010146181 A RU 2010146181A
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core
protective layers
corrugated
lines
flanges
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Михаэль КОЛАКС (DE)
Михаэль КОЛАКС
Вольф-Дитрих ДОЛЗИНСКИ (DE)
Вольф-Дитрих ДОЛЗИНСКИ
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Эирбус Операсьон Гмбх (De)
Эирбус Операсьон Гмбх
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    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Abstract

1. Способ изготовления сердцевинной структуры (1, 20, 26), содержащей снабженную с двух сторон защитными слоями (3, 4, 22, 23, 27, 28) гофрированную ячеистую сердцевину (2, 21, 29), причем гофрированная ячеистая сердцевина (2, 21, 29) имеет множество проходящих параллельно защитным слоям (3, 4, 22, 23, 27, 28) дренажных каналов (5), в котором: ! a) сгибают по линиям (6-10) вершины гофрированной ячеистой сердцевины (2, 21, 29), при этом на линиях вершины гофрированной ячеистой сердцевины формируются, в основном, горизонтально проходящие фланцы (32), ! b) по меньшей мере, фрагментарно вводят сердцевинный заполнитель (16, 17), по меньшей мере, в одну гофрированную ячеистую сердцевину (2, 21, 29), ! c) располагают нижний и верхний сухие защитные слои (3, 4, 22, 23, 27, 28) на гофрированной ячеистой сердцевине (2, 21, 29), ! d) механически присоединяют, по меньшей мере, фрагментарно защитные слои (3, 4, 22, 23, 27, 28) к фланцам (32) гофрированной ячеистой сердцевины (2, 21, 29), ! e) выполняют инъекцию отверждаемого полимерного материала в защитные слои (3, 4, 22, 23, 27, 28), ! f) отверждают всю сердцевинную структуру (1, 20, 26) с применением давления и/или температуры, ! g) удаляют сердцевинный заполнитель (16, 17). ! 2. Способ по п.1, отличающийся тем, что сердцевинной структуре (1, 20, 26) посредством, по меньшей мере, одного инструмента (24) перед присоединением защитных слоев (3, 4, 22, 23, 27, 28) придают геометрию, отличную от плоской формы. ! 3. Способ по п.1 или 2, отличающийся тем, что механическое присоединение защитных слоев (3, 4, 22, 23, 27, 28) к гофрированной ячеистой сердцевине (2, 21, 29) выполняют посредством сшивания. ! 4. Способ по п.1 или 2, отличающийся тем, что, по меньшей мере, один защитный слой (3, 4, 22, 23, 27, 28), по меньшей мере, фрагментар�

Claims (12)

1. Способ изготовления сердцевинной структуры (1, 20, 26), содержащей снабженную с двух сторон защитными слоями (3, 4, 22, 23, 27, 28) гофрированную ячеистую сердцевину (2, 21, 29), причем гофрированная ячеистая сердцевина (2, 21, 29) имеет множество проходящих параллельно защитным слоям (3, 4, 22, 23, 27, 28) дренажных каналов (5), в котором:
a) сгибают по линиям (6-10) вершины гофрированной ячеистой сердцевины (2, 21, 29), при этом на линиях вершины гофрированной ячеистой сердцевины формируются, в основном, горизонтально проходящие фланцы (32),
b) по меньшей мере, фрагментарно вводят сердцевинный заполнитель (16, 17), по меньшей мере, в одну гофрированную ячеистую сердцевину (2, 21, 29),
c) располагают нижний и верхний сухие защитные слои (3, 4, 22, 23, 27, 28) на гофрированной ячеистой сердцевине (2, 21, 29),
d) механически присоединяют, по меньшей мере, фрагментарно защитные слои (3, 4, 22, 23, 27, 28) к фланцам (32) гофрированной ячеистой сердцевины (2, 21, 29),
e) выполняют инъекцию отверждаемого полимерного материала в защитные слои (3, 4, 22, 23, 27, 28),
f) отверждают всю сердцевинную структуру (1, 20, 26) с применением давления и/или температуры,
g) удаляют сердцевинный заполнитель (16, 17).
2. Способ по п.1, отличающийся тем, что сердцевинной структуре (1, 20, 26) посредством, по меньшей мере, одного инструмента (24) перед присоединением защитных слоев (3, 4, 22, 23, 27, 28) придают геометрию, отличную от плоской формы.
3. Способ по п.1 или 2, отличающийся тем, что механическое присоединение защитных слоев (3, 4, 22, 23, 27, 28) к гофрированной ячеистой сердцевине (2, 21, 29) выполняют посредством сшивания.
4. Способ по п.1 или 2, отличающийся тем, что, по меньшей мере, один защитный слой (3, 4, 22, 23, 27, 28), по меньшей мере, фрагментарно склеивают с гофрированной ячеистой сердцевиной (2, 21, 29).
5. Способ по п.1 или 2, отличающийся тем, что сшивание и/или склеивание выполняют, в основном, вдоль линий (6-8) основания и/или вдоль линий (9, 10) вершины гофрированной ячеистой сердцевины (2, 21, 29).
6. Способ по п.1 или 2, отличающийся тем, что сердцевинной структуре (1, 20, 26) придают, в основном, геометрию сегмента обшивки для формирования составной секции фюзеляжа самолета.
7. Способ по п.1 или 2, отличающийся тем, что сердцевинной структуре (1, 20, 26) придают, в основном, геометрию полого цилиндра для формирования монолитной секции фюзеляжа самолета.
8. Способ по п.1 или 2, отличающийся тем, что гофрированную ячеистую сердцевину (2, 21, 29) пропитывают отвержденным полимерным материалом и формируют посредством многократно сложенной армирующей структуры.
9. Способ по п.1 или 2, отличающийся тем, что сердцевинный заполнитель (16, 17) за счет расплавления или растворения с помощью растворителя удаляют из гофрированной ячеистой сердцевины (2, 21, 29).
10. Способ по п.1 или 2, отличающийся тем, что защитные слои (3, 4, 22, 23, 27, 28) формируют посредством сцепляющейся с поверхностью армирующей волокнистой структуры, в частности ткани из углеродного волокна и/или нетканого материала из углеродного волокна, а инъекцию в защитные слои (3, 4, 22, 23, 27, 28) выполняют посредством эпоксидной смолы, в частности, в условиях вакуума.
11. Сердцевинная структура (1, 20, 26), выполненная, в частности, посредством способа по любому из п.п.1-10, содержащая снабженную с двух сторон защитными слоями (3, 4, 22, 23, 27, 28) гофрированную ячеистую сердцевину (2, 21, 29), причем гофрированная ячеистая сердцевина (2, 21, 29) имеет множество проходящих параллельно защитным слоям (3, 4, 22, 23, 27, 28) дренажных каналов (5), отличающаяся тем, что гофрированная ячеистая сердцевина (2, 21, 29) имеет линии (6-10) основания и вершины с проходящими, в основном, горизонтально фланцами (32), при этом защитные слои (3, 4, 22, 23, 27, 28), по меньшей мере, частично на фланцах (32) механически соединены, в частности сшиты, с гофрированной ячеистой сердцевиной (2, 21, 29).
12. Сердцевинная структура (1, 20, 26) по п.11, отличающаяся тем, что гофрированная ячеистая сердцевина (2, 21, 29) в зоне линий (6-8) основания и/или линий (9, 10) вершины, по меньшей мере, частично имеет фланцы (32) для формирования сшиваемой с защитными слоями (3, 4, 22, 23, 27, 28) поверхности.
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