Method of manufacturing composite vane for aircraft engine
A method of manufacturing a bucket (10) made of a composite material for a turbomachine, in particular a turbomachine of an aircraft, comprising the following steps: a) arranging a preform (24) made by three-dimensional weaving of fibres in a mould (30), a polymerizable adhesive (26) being interpose...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A method of manufacturing a bucket (10) made of a composite material for a turbomachine, in particular a turbomachine of an aircraft, comprising the following steps: a) arranging a preform (24) made by three-dimensional weaving of fibres in a mould (30), a polymerizable adhesive (26) being interposed between the shroud and the edge of the preform, b) closing the mould and heating the mould and then injecting a polymerizable resin into the mould, characterized in that the mould is heated according to a cycle comprising the following steps: the temperature is raised from T1 to T2 and then from T2 to T3, in which in step b) the resin is injected during or just before the temperature is raised from T2 to T3, and in step b) the resin is injected during or just before the temperature is raised from T2 to T3; the temperature T2 is selected such that the viscosity of the adhesive is greater than the viscosity of the resin.
一种制造用于涡轮机的由复合材料制成的轮叶(10)的方法,该涡轮机特别是飞行器的涡轮机,该方法包括以下步骤:a)将通过纤维的三维编织制成的预制件(24)布置在模具(30)内,可聚合粘合剂(26 |
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