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手糊工藝生產風機葉片的主要缺點是產品質量對工人的操作熟練程度及環境條件依賴性較大，生產效率低和產品質量均勻性波動較大，產品的動靜平衡保證性差，廢品率較高。特別是對高性能的復雜氣動外型和夾芯結構葉片，還需要粘接等二次加工，粘接工藝需要粘接平臺或型架以確保粘接面的貼合，生產工藝更加復雜和困難。手糊工藝制造的風力發電機葉片在使用過程中出現問題往往是由于工藝過程中的含膠量不均勻、纖維/樹脂浸潤不良及固化不完全等引起的裂紋、斷裂和葉片變形等。

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