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。
This paper analyzed the structure characteristic of hub transfer and improved its casting technique with Proportional Solidification Technology,made use of densener,thin-small and tangential ingate to achieve graphitizing expansion self-supply of the cast,effectively prevented the defects of shrinkage cavity and dispersed shrinkage.
通过分析转换轮毂的结构特点,根据均衡凝固技术对转换轮毂生产工艺进行改进,运用冷铁及薄小、切向内浇口实现转换轮毂石墨化膨胀自补缩,有效地防止了缩孔、缩松缺陷。
By using inner densener and other process measures,a7.
通过下冷铁等工艺措施,采用1。
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。
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。
In order to eliminate the high content of ferrite structure in the outer layer with depth of 1 mm of the chilled cast iron camshaft produced in shell mould,an experiment with adding metal antimony into iron melt was conducted.
为消除用覆膜砂壳型铸造工艺生产的冷激铸铁凸轮轴主轴颈外表面1 mm左右深度内的大量铁素体组织,进行了在铁液中加入金属锑的试验,加入量(质量分数)分别为:0。
The "black line" defect found on chilled cast iron camshafts was analyzed metallographically and found that the microstructure of defect zone consisted of pearlitic matrix and D-type graphite.
对冷激铸铁凸轮轴的"黑线"缺陷进行显微分析发现,缺陷区的基体组织为珠光体,石墨形态为枝晶点状石墨。
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。
Application of Graphite Chills to the Heavy-Section Ductile Iron Castings
石墨冷铁在大断面球墨铸铁件上的应用
not self-propelled refrigerator railway car
非自动推进铁道冷藏车
His eyes were as hard as chilled steel.
他的目光就象冰冷的钢铁般冷酷。
to 4000a B. P. and a cold climate in the Cold Iron Age.
-4000aB.P. 降温事件及铁器冷期寒冷气候的作用。
Discussion of the Technical Scheme of Refrigerating System of Refrigerated Railway Car with the 23 t Axle-load
23吨轴重铁路冷藏车制冷系统技术方案探讨
Alternatives refrigerants for R12 of refrigerated railway cars in China
我国铁路冷藏车制冷工质R12之替代研究
The available measures may be: 1) Importing scrap and direct reduced iron (DRI), 2) constructing DRI plant at home, 3) using cold pig iron, 4) charging hot iron.
（2）国内建设直接还原铁厂； （3）使用冷生铁；
There was still the cold touch of wire against his cheek.
他的脸上仍冷冰冰地贴着一根铁丝。
The definiteness of the man chilled him to the marrow.
这人斩钉截铁的口吻使他冷彻骨髓。
The millionaire's mind was hardened against pity
那个百万富翁铁石心肠，冷酷无情。
He threw the hot iron hissing into cold water.
他将炽热的铁“咝”地一声扔进冷水里。
Magnetic iron cold-rolled sheets
GB/T6985-1986电磁纯铁冷轧薄板
A day in jail cooled him off.
一天的铁窗生活使他冷静了下来.
She was rather pale, and her face was closed and hard.
她脸色苍白铁板，神情冷酷。
Frank threw the shoe hissing into cold water and strengthened his back.
弗兰克直起腰，把铁蹄掌丢进冷水。
"Bows become rigid, can hardly be drawn And the metal of armour congeals on the men;"
将军角弓不得控, 都护铁衣冷犹着。
The Fundamental Optimal Relation of A Feroelectric Ericsson Refrigerator
铁电埃里克森制冷机的基本优化关系
Core: Consisted of cold-rolled steel with high permeability.
铁心：由高导磁的冷轧硅钢片构成。
