For foundry sand from a famous domestic area, the curve of thermal expansivity with the temperature was described.
本文最后给出了利用本装置测得的国内某著名铸造用原砂的热膨胀-温度曲线。
The interface of the composites made of waste foundry sand as fillers and waste mulching films as matrix was studied.
研究了以铸造废砂为填料、废旧地膜为基体，制备复合材料的界面问题。
Swinging mixer is a new type foundry sand mixing equipment invented by the author, which had got the patent of China.
摆盘式混砂机是作者发明的一种铸造用新型混砂设备，具有中国专利。
Inertia Vibrating Knock-out Machine is mainly used for casting off foundry sand from proplasm after mechanized molding and pouring in the foundry.
惯性振动落砂机主要用于铸造车间机械化造型浇注后铸型的落砂。
Besides, it also can be used as the foundry sand in precision casting and the raw materials of ceramic and resin bonded abrasives as well as coated abrasives.
精密铸造用型砂；在磨具中经常用作陶瓷、树脂固结磨具和涂附磨具的原料。
Vibratory compactability of dry sand in full mold foundry has been researched by experiments on effective factors such as vibratory direction, dimensions, frequency, acceleration and dry sand sorts.
通过对实型铸造干砂振动填充紧实中的振动方向、维数、频率、加速度及干砂种类等诸多影响要素的测定实验，研究了实型铸造振动紧实干砂的性能。
This paper mainly describes the process characteristics, design guiding principle and equipment choice of a simple resin sand production line designed for a foundry company.
主要介绍了近期为一铸造公司设计的简易树脂砂生产线工艺特性以及设计的指导思想和设备选用情况。
A mixture of moist clay and sand, together with straw, used especially in making bricks and foundry molds.
粘砂土湿粘土和砂子的混合物，带有稻草，专用作制砖和铸模。
This paper described the foundry technology of horizontal pouring and solidifying to produce large hollow ductile iron crankshaft cast in sand coated iron mould.
介绍了铁模覆砂铸造大型空心球铁曲轴的工艺。
Such a testing method is of practical sense in realization of molding sand testing and foundry production management and casting quality control.
该测试方法的应用对实现型砂性能检测、铸造生产管理和铸件质量控制具有现实意义。
The company, owning expert stuff in manufacturing and selling sand preparation equipments for foundry, is well known as specialization in the complete sets of resin sand and clay sand equipments.
另外，公司拥有多年来以制售优质铸造砂处理设备而闻名的专业队伍，专业生产铸造车间的树脂砂、粘土砂成套设备。
Thus, the mineral crystalline morphology of natural silica sand is an important parameter for use in foundry.
考查了铸造用天然硅砂的矿物晶体形态，可将其大致分为单晶体和多晶集合体两类。
However, the foundry plant of tsinghua university lacks old sand with high temperature and can not carry out test of cooling control.
但因清华大学铸造厂缺乏温度较高的旧砂，以致无法进行降温控制效果的试验。
Since the sand shell modeling production of the hull casting cannot meet the needs required, this project adopts low-pressure foundry techniques to improve the internal quantity of products.
由于型号弹上产品中壳体类铸件的砂型铸造生产不能满足要求，项目通过采用低压铸造工艺方法提高了铸件产品的内部质量。
With its factory in Foundry: low pressure casting, metal-type gravity casting, shell coated sand casting and sand casting;
本厂在铸造方面具备：低压铸造、金属型重力铸造、覆膜砂壳型铸造和砂型铸造；
A sand moisture automatic control system for foundry is introduced.
介绍了一种用于铸造车间的型砂水分自动控制系统。
The results show that the process is a clean process of mold and core sand foundry and does not pollute environment.
实验结果表明，该工艺不污染环境，是铸造型芯砂的清洁生产工艺。
It is easy to adhibit sand on the surface of the casting in the foundry using green sand mold.
粘土砂湿型铸造，铸件表面容易产生粘砂。
Designed to convey granular products, like silica sand used in the foundry industry.
该产品旨在输送颗粒物品，如在铸造行业使用的石英砂。
This article discusses about the choosing of technology and equipment in the steel foundry with green moulding sand.
介绍了粘土湿型砂铸钢车间的工艺及设备选择。
The invention relates to a molding sand cooling and dedusting device for foundry, in particular to a double-plastid vibration molding sand boiling and cooling bed.
本发明涉及铸造用的型砂冷却除尘装置，特别是双质体振动型砂沸腾冷却床。
Methods Scanning electron microscope and X-ray analysis were used to study the distribution of all kinds of elements in sand-cast, sculpt and clear-sand of one foundry work and quarry work.
用扫描电子显微镜和X射线能量色散仪测定某铸造作业翻砂车间、造型车间、清砂车间和某采石作业生产性粉尘粒子的结构及各元素的百分含量。
In renovation of the foundry shop, the original used sand suction system was dismantled, which caused lower quality of the molding sand.
在车间改造中，去掉了原有的旧砂吸送系统，而导致型砂质量下降。
However, this method has not been used in the detecting of molding sand moisture in the Foundry Industry.
但近红外检测技术目前尚未应用于铸造车间型砂水分的检测。
A frame for holding a sand mold in a foundry.
砂箱铸造车间内保持砂模用的框架。
A difficult foundry problem about the cast shaping of the small and deep holes in the heavy section steel castings can be solved by using the no bake sand. for making cores.
用这种型砂制作型芯，可解决厚大铸钢件内不易铸出的小径深孔腔室的成形难题。
Automotive Components Projects Under Planning: Foundry 1. Investment Castings 2. Sand Castings.
计划中有关汽车零部件顶目：铸造厂1。精密铸件2。砂铸件。
Automotive Components Projects Under Planning: Foundry 1. Investment Castings 2. Sand Castings.
计划中有关汽车零部件顶目：铸造厂1。精密铸件2。砂铸件。
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