Cooling the profile by immersing and pulling it through a water tank is faster but creates a zone of heated water around the profile, which inhibits heat transfer.
把型材浸没于水中通过一个水箱拉动的冷却方法，会在型材周围建立一个热水区，这个热水区会阻碍热交换。
Reasonable combination of well-designed front guide, pulling guide and swing-down sheet transfer mechanism.
设计优良的前规、拉规与下摆式递纸机构的有机结合，递纸准确可靠，适合高速运转。
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