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压铸模具常用的冷却方法有哪些
发布日期:2022-01-07 15:41:37

对注塑模具的使用寿命而言,当注塑模具溫度较高时能立即的搞好制冷工作中也是较为关键的一点。注塑模具的制冷方式有水冷散热、风冷式、散热器制冷和间接性制冷。

(1)水冷散热:在注塑模具上设定冷却循环水安全通道,使冷却循环水进入成型模具导柱或型芯内,将热量带出磨具。水冷散热制冷高效率,能合理减少凹模表层的溫度,但提升了注塑模具构造的复杂性,关键用以规定制热量大的磨具。以便避免凹模表层冷凝水,冷却循环水的溫度应高过室内温度。
(2)风冷式:针对铝压铸型中难以用冷却水的位置,可选用风冷式,风冷式可选用鼓风机电机风机或用空气压缩。风冷式不仅能制冷注塑模具,还能将建筑涂料吹匀,驱走建筑涂料的蒸发汽体,降低铸造件出气孔。风冷式的制冷溫度远低于水冷散热。
(3)散热器制冷:关键用以难以用冷却循环水立即制冷的细微位置。在需制冷的细微位置,用散热器特发热量导出来,再用冷却循环水制冷散热器。
(4)间接性制冷:在油温机铝压铸型的热节位置可以用导热系数高的铝合金(铵黄铜、钨基合金等)开展间接性制冷,将铵黄铜销旋紧固定不动型芯,铜销的尾端含有散热器以提高制冷实际效果。
佛山市三水晶鑫压铸五金制品厂,专注锌、铝合金压铸件生产设计,欢迎广大朋友来图来样咨询合作,联系电话:18038660505(微信同号),向先生。
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