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对铸造生产过程中芯撑的传热,强度设计,压力及尖端对熔点的影响,和焊接近似条件通过仿真、理论分析和计算进行了深入研究。结果表明,发现芯撑在发挥作用时温度很高,在强度设计时必须参考芯撑材料的高温强度,芯撑熔合片的设计有一定作用,但芯撑与基体的结合更多的受控于界面上原子扩散带来的焊合效果,提出了影响结合效果的最重要的印象因素——表面质量,并提出了芯撑工程设计的原则。
The influence of heat transfer, strength design, pressure and tip to melting point of the core brace during the casting process and the welding approximate conditions were studied through simulation, theoretical analysis and calculation. The results show that the core support is found to have a high temperature when it is used. The strength of the support must be referenced to the high temperature strength of the core support. The design of the core support fusible sheet has a certain effect. However, the bond between the core support and the base is more controlled The soldering effect caused by the atomic diffusion in the interface presents the most important impression factor affecting the bonding effect - the surface quality, and puts forward the principle of the brace design.