This paper introduces the method of making sand core, explains the influence of the head design of sand core, assembly of sand core and other factors on the dimension precision of casting.
介绍了制芯方法，阐述了芯头设计、砂芯的组装及其它因素对铸件尺寸精度的影响。
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。
The design and construction of the sloping- faced north leading dike with bagged- sand core for the 1st phase of the Yangtze Estuary deepwater channel regulation project are introduced.
介绍长江口深水航道治理一期工程北导堤袋装砂堤心斜坡堤的设计与施工。
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。
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。
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