对水玻璃砂再生的质量控制进行了数理分析。
Mathematical analysis for quality control of the reclamation of the used water glass sand has been described in this paper.
水玻璃砂的常温强度越高，其溃散性通常越差。
In general, the higher the atmospheric temperature strength of the sodium silicate sand is, the more deteriorative its collapsibility becomes.
随着水玻璃砂的应用迅速扩大，出现了许多新问题。
The rapid developing of waterglass sand gives out a lot of new questions.
本文研究WK型溃散剂在CO_2法水玻璃砂中的各种性能。
It is gived the properties of CO_2-sodium silicate sand by adding WK-breakdown agent.
概述了水玻璃砂工艺与材料研究及应用方面取得的最新进展。
In this paper, the new evolution of the research and its application on technologies and materials of water-glass sand are introduced.
结果表明，塑料模具和陶瓷模具都可用于水玻璃砂芯的微波固化。
The properties of the materials used for making models of sodium silicate bonded sand core curing by microwave energy are suggested.
采用先进的水玻璃砂造型技术，将有效地改善水玻璃砂铸造落砂性能。
The application of advanced molding technique for water glass sand will effectively improve sand shakeout and cleaning.
本文对机床铸铁件水玻璃砂芯在浇注、冷却过程中的温度场进行了测定。
In this paper, the temperature field of Sodium silicate sand cores of the machine tool's cast iron is measured.
试验结果表明，超声处理虽然提高了水玻璃砂的常温强度，却也恶化了溃散性；
The experimental results indicate that ultrasonic processing can improve the normal temperature strength of sodium silicate sand, but deteriorate its collapsibility.
所以，提高CO2水玻璃砂粘结强度的关键在于抑制硬化过程中胶粒的过于长大。
Therefore, stopping the hardening process of particles from growing is the key of increasing CO2 sodium silicate sand bond strength.
研究了微波水玻璃砂的工艺性能、造型制芯、铸件浇注、旧砂再生及其再生砂性能。
The investigation was carried out into the technological properties of microwave silicate sand, molding and core making, casting pouring, used sand reclamation and its properties.
采用CO2硬化水玻璃砂无箱立浇串铸工艺，设计工装，可以获得优质健全的锤头产品。
The perfect hammer head can be obtained by designing technological equipment, using vertical pouring and string casting process in CO2-sodium silicate sand.
用CO_2法硬化水玻璃砂时，影响再生砂制备的型砂性能的主要因素是残留在砂粒表面的碳酸钠盐。
The study of the hardening characteristics of reclaimed CO2 sodium silicate bonded sand shows that the residual sodium carbonate acetate is the primary affecting factor.
结果表明：该复合溃散剂能大幅度降低水玻璃砂的残留强度，溃散性优良，成本低廉，具有一定的推广价值。
The results show that the compound disperser can remarkably reduce the residual strength and has good collapsibility and low cost. Therefore, it has the value for itself to be popularized.
而作者开发的复合改性剂，既可提高水玻璃砂的常温强度，又可改善水玻璃砂的溃散性，是目前较为理想的改性剂。
But the composite modification material can not only improve the normal temperature strength of sodium silicate sand but also its collapsibility, so it is a relatively perfect modifier at present.
介绍水玻璃粘结剂容易“老化”的原因和老化现象对水玻璃砂性能的危害，提出水玻璃粘结剂改性的方法与应用效果。
This paper introduces the cause of the easy aging of sodium silicate binder and the harm of its aging to the sand nature, and puts forward the methods and effects of sodium silicate binder modifying.
研究了原砂以及高温改性石英砂对酯硬化水玻璃砂性能的影响规律，指出原砂的粒形、耗酸值影响水玻璃型砂的强度和可使用时间。
The paper studied the effects of base sands and calcined sands at high temperature on properties of ester-hardened sodium silicate bonded sands.
笔者介绍了新型酯硬化水玻璃砂的性能特点，就酯硬化改性水玻璃砂常温强度和溃散性的影响因素与改进方法进行了试验研究和探讨。
The property characteristics of new generation of ester-hardened sodium silicate sand was introduced, and the factors influencing the atmospheric temperature strength and collapsibility of.
硅酸钠水玻璃在液相中的比例约为70%，且标准砂占固相的比例为70%左右时，可制得力学性能良好的矿物聚合材料。
High performance mineral polymer can be prepared while the content of sodium silicate in the alkaline liquid and the standard sand in the solid materials are both kept around 70%.
本文就如何经济地对水玻璃旧砂进行再生的问题进行了研究。
This paper studies the problem how to reclaim silicate wast sand economically.
还可用于水玻璃和水泥自硬砂砂块的破碎。
It can also be used for crushing of sodium silicate and cement sand.
证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast.
针对常见真丝绸砂洗的疵病，如砂洗痕、水玻璃皱、布面皱痕等，作者提出了有效的防止措施。
Based on practical experience, the authors put forward effective prevention methods to decrease the defects in sanding process, such as sanding marks, ripple marks and creases on fabric.
本文介绍的是一种不用发泡剂的新型水玻璃流态自硬砂。
In this paper a new water glass self-hardening fluid sand mixture made without the use Of foaming agent is described.
本文介绍的是一种不用发泡剂的新型水玻璃流态自硬砂。
In this paper a new water glass self-hardening fluid sand mixture made without the use Of foaming agent is described.
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