The reason causing shrinkage defect was analyzed,and the following measure was adopted: setting chills on both the top and bottom surfaces of the casting.
对引起缩松的原因进行了分析,并采取了相应的工艺措施,上下底面同时加冷铁,消除了缩松缺陷。
Effect of Chill on Secondary Dendrite Arm Spacing of Aluminum Alloy Casting;
冷铁对铝合金铸件二次枝晶间距的影响
A Statistical Analysis of the Application of Chill on the Foundry Technology of Cast Iron Wheel;
冷铁在铸铁轮类件铸造工艺中应用统计
Manual molding had been used for the nodular iron front wheel boss and differential mechanism case, and chills were used to prevent shrinkage defects.
球铁前轮毂和差速器原采用手工造型,用外冷铁解决缩孔缺陷。
Based on the resin bonded sand casting process,the effects of chill processes on the secondary dendrite arm spacing(SDAS) and densification of Al-Si-Mg alloy were studied.
基于Al-Si-Mg合金的树脂砂铸造过程,研究了冷铁工艺对Al-Si-Mg合金铸件二次枝晶间距(SDAS)及致密度的影响。
Foam mould is used with Tri-box quartz sand air set molding and the quality of pallet is ensured by reasonable design of running and feeding system and placing internal chill in the middle wall-thick position.
通过对托盘结构的分析,设计合理的浇冒系统,采取在中间壁厚部位安放内冷铁等措施,保证了托盘的质量。
According to the technique,camshaft is cast in shell mould,and a kind of unalloyed gray iron and shaped chills for chilling whole(360°)circumference of the cam was adopted.
介绍了在壳型铸造的基础上,采用无合金化的灰铸铁成分、成型冷铁360°全周激冷凸轮及生产富康轿车凸轮轴的生产技术,生产出的凸轮轴材质性能满足法国标致-雪铁龙公司PSA集团GLA1冷硬铸铁凸轮轴材质技术标准,实现了富康轿车凸轮轴铸件的完全国产化。