1) Shrinkage cavity and porosity
缩孔缩松
1.
Domestic solidification simulation software only provides a few prediction methods for shrinkage cavity and porosity formation in castings.
为解决国内凝固模拟软件中缩孔缩松预测判据比较单一的问题 ,满足用户使用多种判据从不同角度分析铸件缩孔缩松形成的需要 ,从实际应用出发 ,在自主开发的 FT-Star凝固模拟软件的基础上 ,改进和增添了多种缩孔缩松预测判据。
2) shrinkage
[英]['ʃrɪŋkɪdʒ] [美]['ʃrɪŋkɪdʒ]
缩孔缩松
1.
In this paper, the development of three dimentional numerical simulation are further presented, and the key problems in numerical simulation──processes of initial condition, boundary condition and more than ten kinds of methods predicted shrinkage are discussed.
本文进一步论述了铸件凝固过程的三维数值模拟的发展现状，并着重讨论了数值模拟中的关键问题──初始条件和边界条件的处理以及十余种缩孔缩松缺陷的预测判据和应用特点。
3) shrinkage and porosity
缩孔缩松
1.
The forming mechanism of shrinkage and porosity of the hub castings in the"Transit" car have been investigated by computer simulating and temperature measuring of during the casting solidified.
本文以Transit汽车前桥轮毂铸件为例,针对小型轮毂球铁件产生缩孔缩松缺陷现象,采用计算机模拟技术模拟铸件的温度场,进行铸件孤岛检测,分析缩孔缩松缺陷产生过程,并用多通道数据采集器测定铸件凝固过程中温度场的分布特点,分析研究了此类铸件产生缩孔、缩松缺陷的机理,对消除铸件缩孔、缩松缺陷的工艺方法进行了讨论。
4) shrinkage
[英]['ʃrɪŋkɪdʒ] [美]['ʃrɪŋkɪdʒ]
缩孔、缩松
1.
The temperature field of the solidification simulation for the large gear ring castings has been made with HUA ZHU CAE software, the position of shrinkage is watched ,Based on this,the design of these castings has been optimized,then ,analyzing and compare the simulation result.
利用华铸CAE软件,对大型齿轮圈铸钢件进行了凝固过程的数值模拟,发现了缩孔、缩松缺陷产生的部位,在此基础上对其铸造工艺进行了优化,然后对模拟结果进行了分析与比较。
2.
Using Huazhu CAE software,the solidification process of large gear ring castings was simulated,the shrinkage was discovered,its position was defined,its cause and mechanism was analyzed.
利用华铸CAE软件对大型齿轮圈铸钢件进行了凝固过程的数值模拟,发现了缩孔、缩松缺陷,确定了其产生的位置,分析了其产生原因及机理。
6) shrinkage porocity
缩松缩孔
1.
The result shows that the shrinkage porocity in cast can be reduced effectively by setting reasonable gating system,controlling the speed of pressure casting and increasing the preheating temperature of mold.
结果表明:通过设置合理浇注系统、控制压铸速度和提高模具预热温度,可以有效减少铸件缩松缩孔;各参数对铸件缩松缩孔发生概率影响程度从大到小依次为浇注系统方式、模具预热温度、压铸速度;理想工艺方案为浇注系统a、压铸速度1 m/s、模具预热温度450℃。
补充资料：缩松
dispersedshrinkage：铸锭或铸件在凝固过程中由于收缩而形成的、分布稠密的小孔（尺寸小于1mm），其中每个小轮廓清楚但不规则，其内壁不是光滑的而时凹凸不整的，表面没有氧化膜。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条