It is too difficult to spin Angola with OCTIR which is a wool card made in Italy. The paper studies and analysises the technology of pretreating,mixing and spinning of Angola.

• 使用意大利奥蒂尔粗纺梳毛机加工纯安哥拉纱线,工艺技术难点多,在生产加工技术方面要根据纤维的特性,解决一些技术难点,文章对安哥拉纤维前处理、和毛、梳毛工艺的调整进行了研究和分析。