SEGMENTED CORE AND METHOD FOR MOULDING AN IMPELLER

The invention relates to a segmented core (1 ) for moulding of an impeller (12), especially a pump impeller, comprising at least three segments (2), all segments (2) having the same form and each segment (2) having connecting means (3, 3') for connecting the segment (2) with the adjacent segmen...

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Bibliographische Detailangaben
1. Verfasser:	VESTERMARK VAD, MARTIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CASTING HEATING LIGHTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS POWDER METALLURGY PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WEAPONS WORKING METALLIC POWDER WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The invention relates to a segmented core (1 ) for moulding of an impeller (12), especially a pump impeller, comprising at least three segments (2), all segments (2) having the same form and each segment (2) having connecting means (3, 3') for connecting the segment (2) with the adjacent segments (2). Further, the invention relates to a method for moulding an impeller (12) with the following steps: Providing a moulding tool (14), providing a core (1 ) consisting of at least 3 identical segments (2), which comprise connection means (3, 3') for connecting the segment (2) with the adjacent segments (2), assembling of the core (1 ) and placing the core (1 ) in the moulding tool (14), moulding the impeller (12), ejecting core (1 ) and impeller (12) out of the moulding tool (14), removing the core (1 ) from the impeller (12). L'invention concerne une âme segmentée (1) pour le moulage d'une turbine (12), spécialement une turbine de pompe, comprenant au moins trois segments (2), tous les segments (2) possédant la même forme et chaque segment (2) possédant un moyen de raccordement (3, 3') pour raccorder le segment (2) aux segments adjacents (2). En outre, l'invention concerne un procédé de moulage d'une turbine (12) comprenant les étapes suivantes : fourniture d'un outil de moulage (14), fourniture d'une âme (1) constituée d'au moins 3 segments identiques (2), qui comprennent un moyen de raccordement (3, 3') pour raccorder le segment (2) aux segments adjacents (2), assemblage de l'âme (1) et mise en place de l'âme (1) dans l'outil de moulage (14), moulage de la turbine (12), éjection de l'âme (1) et de la turbine (12) hors de l'outil de moulage (14), retrait de l'âme (1) de la turbine (12).