通过对座椅靠背骨架成型模具的改进, 解决了骨架成型质量差, 成型后需人工校正, 效率低的问题。关键词: 靠背骨架 模具改进 成型质量 效率Abstract: Th rough upgrading the shap ing moulds, the tube′s shap ing quality of the bus seat back rest frame is im2 p roved. Moreover, it has no need for workers to correct the shap ing appearance so that the efficiency is h igher.Key words:Bus seat back rest frame, Mould imp rovement, Shap ing quality, Efficiency
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