Cold core making method

一种冷芯制芯方法

Abstract

The invention relates to a cold core making method, which comprises the following steps of: preparing a plastic bag with an opening, putting the plastic bag into an embedded core die, filling the plastic bag with fillers, and sealing the opening of the plastic bag to obtain an embedded core; putting the embedded core into a cold core box, and making a core by using a cold core box making process to obtain a sand box with the embedded core; and taking the sand core with the embedded core from the cold core box, opening the opening of the plastic bag of the embedded core, taking the fillers out, and taking the plastic bag out to obtain the sand box. In the invention, a core is made in a core embedding way instead of a casting way, so that the quantity of sand cores for producing a cast can be reduced, the structure of the cast can be optimized, the weight is reduced, different complex structures are designed, materials are utilized fully, energy is saved, the environment is protected, and pollution is lowered.
本发明涉及一种冷芯制芯方法,包括以下步骤:准备具有开口的塑胶袋,将所述的塑胶袋放置入镶芯模具内,在所述的塑胶袋内注满填充物,并将所述的塑胶袋的开口密封,制得镶芯;将所述的镶芯放置入冷芯盒中,采用冷芯盒制芯工艺制芯,制得带有镶芯的砂芯;从所述的冷芯盒中取出带有镶芯的砂芯,将所述的镶芯的塑胶袋的开口打开取出填充物,最后取出塑胶袋后制得砂芯。本发明以镶芯方式替代铸造制芯方式,不仅可以减少生产铸件的砂芯数量,还可以优化铸件的结构减少重量及设计成不同的复杂结构,充分利用材料,节能环保、减少污染。

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