By using the method, the core pulling efficiency for the slender composite pipe can be remarkably improved, and the production cost can be reduced.
利用本发明方法，可显著地提高细长复材管件的抽芯效率，降低生产成本。
The problems of large length-diameter ratio and difficult core pulling for slender pipe-shaped composite parts with poor rigidity can be solved.
解决了长径比大，刚性差细长管形复材零件抽芯困难的问题。
The core pulling method has the advantages of small core pulling difficulty, simple spindle structure, low cost and no damage to the composite pipe;
本发明方法具有抽芯困难小，芯轴结构简单，成本低，不伤及复材管件的优点。
The core pulling method has the advantages of small core pulling difficulty, simple spindle structure, low cost and no damage to the composite pipe;
本发明方法具有抽芯困难小，芯轴结构简单，成本低，不伤及复材管件的优点。
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