同时，以一翻边精度要求较高的零件为例，介绍了一种倒装式结构的翻边模。

Meanwhile, as a part needs high precision as flanging for example, flanging die with hyperbatic structure is described.

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风冷式热交换器防腐翅片，制造是采用二次翻边翅片机涨管工艺，无需另加装冷却水泵及水塔，运行可靠，清洗方便，冷量强劲，噪声低，寿命长，操作简单方便。

Don't need another pump and water tower. the machine have the features such as reliable in running, clean easily, strong cooling capacity, low noise, long service life and easy to operate.

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