The paper analyzes the design optimization of core box using coated sand in Z8040 hot box core shoot machine to make the cylinder block cores and sprue cores.
分析Z8040射芯机用覆膜砂热芯盒法制作气缸体前后端面芯及其浇口砂芯优化设计方案。
Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.
采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。
Limited commodities for Valentine's Day: in the lovable core design box, you may choose your favorite flowers and colors.
情人节限定商品：可爱的心型图案盒里、有你喜欢的色彩，你可以选择最心仪的保鲜花。
Limited commodities for Valentine's Day: in the lovable core design box, you may choose your favorite flowers and colors.
情人节限定商品：可爱的心型图案盒里、有你喜欢的色彩，你可以选择最心仪的保鲜花。
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