在塑料共注成型中，芯层熔体前沿突破是导致废品的主要原因，其成型机理至今尚未弄清。
The melt front breakthrough of the core is the main cause of forming waster in the co-injection molding.
以揭示材料粘度以及工艺参数对夹芯注塑成型过程中芯层熔体穿透深度的影响规律。
The penetration length of the core melt in sandwich injection molding was investigated by changing the viscosities of melts and process parameters.
阐述了用可熔型芯注射成型热固性塑料的工艺过程和原理、工艺控制要点。
The technological process, principles and the key points of technology controlling of the thermosetting plastic by using the fusible core injection moulding were described.
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