对影响型砂强度和韧度的因素进行了分析，并提出改进方向。
The factors influencing the strength and toughness of the molding sand were analyzed, and the direction of their improvement was also pointed o...
分析了覆膜砂在热作用下对型砂强度、断裂表面和变形的影响。
Effects of heat performance on strength? Fractures and bending of coat sand were analyzed.
树脂砂铸造中，增强树脂硅砂的粘合性，提高型砂强度及抗湿性。
When used in the sand casting of resin, it can strengthen the adhesion, improve profile sand strength and antiwetting property.
指出型砂强度和砂型的紧实程度是常温下影响湿砂型刚度的主要因素。
It was pointed out that the strength of molding sand and compactness of sand mold is the key factors influencing the rigidity of green sand mold under normal temperature.
分析了无模样和有模样紧实后型砂强度分布的差异，以及回弹现象和“桥”的产生机理。
The differences of the distribution of the moulding sand strength after compacting with pattern or not as well as resilient phenomenon and the mechanism of appearing "bridge" were analysed.
型砂与膨润土之类的添加剂充分地混合以增强连接及整体强度。
Sand is mulled (mixed) thoroughly with additives such as bentonite to increase bonding and overall strength.
使用较高模数的水玻璃混制的型砂具有残留强度低、吹CO2时间短等优点，并有好的抗吸湿性和表面稳定性。
The sodium silicate sand prepared with higher modulus sodium silicate has advantages of low residual strength, short CO2 blowing time, high moisture absorption ability and surface stability.
对干砂的抗剪强度进行了研究，认为型砂存在咬合强度。
The shear strength of dry sand has been studied, the result shows the interlocking strength existing interdry sands compacted.
防止夹砂缺陷的主要措施是降低型砂的膨胀应力和提高型砂的热湿拉强度。
Reducing expansion stress of the moulding sand and increasing wet tensile strength of moulding sand are the main measures to prevent scab defect.
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.
该系统能够用于在线检测型砂的紧实率、湿压强度和砂温等性能，并且能够根据检测结果通过控制补加水量将型砂紧实率控制在设定的工艺范围之内。
This system can be used to test the properties of the moulding sand on line, such as sand compactability, green compressive strength, and sand temperature, a...
该系统能够用于在线检测型砂的紧实率、湿压强度和砂温等性能 ，并且能够根据检测结果通过控制补加水量将型砂紧实率控制在设定的工艺范围之内。
This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content.
该系统能够用于在线检测型砂的紧实率、湿压强度和砂温等性能 ，并且能够根据检测结果通过控制补加水量将型砂紧实率控制在设定的工艺范围之内。
This paper analyzes the factors affecting the controlling precision of sand compactibility system and sets up the dynamic model of regression coefficient between sand compactibility and water content.
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