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.
本文简要介绍了叶轮的技术要求，分析了几种原砂、粘结剂的主要特性。
Synopsis: This paper introduces the technical requirements of the impeller and analyses main properties of the kinds of sand and binder.
采用对所研制的粘结剂进行超声波振荡及混砂时加入有机高聚物yppj对铝镁硼复合磷酸盐铸造粘结剂热硬砂进行改性。
The heat cured sand of Al-Mg-B compound phosphate inorganic binder was modified by ultrasonic oscillation to binder and adding organic polymer YPPJ while mixing of sand.
简述了改性纸浆废液复合粘结剂及其用作铸造砂芯粘结剂时的性能。
The properties of modified pulp waste liquid complex binder and those of the binder used as cast cores are discussed briefly.
采用冷芯盒法制芯时，粘结剂中的溶剂含量对砂芯强度有较大影响。
In core making with cold core box, the solvent content in the binding material has a greater influence on the sand core strength.
热固性酚醛树脂是树脂砂铸造生产中重要的树脂粘结剂之一。
Resol phenolic resin is one of important resin adhesives in foundry industry.
详细地叙述了酯硬化酚醛树脂砂采用新型酚醛树脂粘结剂、硬化剂和再生新工艺的最新进展，并对国内酯硬化酚醛树脂砂的研究与应用提出了若干建议。
This paper summarizes recent progresses of binders, esters and sand reclamation for the phenolic ester cured process, and put forward some ideas for its development in this country.
以浮油沥青为原材料，经化工处理、稀释后成为改性浮油粘结剂。可以作为铸造用型、芯砂的粘结剂。
The raw material undergo chemical treatment and dilution for the modified tall oil pitch binding material to be obtained. and its dilute solution is used as a core binder for foundry use.
为减少砂芯在湿度较大环境中存放时的强度下降，可在混砂时加入抗湿剂或增加粘结剂中聚异氰酸酯的比例。
The decrease in strength of sand cores can be reduced by adding an anti-moisture agent or increasing proportion of polyisocyanate in the mixture when the cores is stored up …
结果表明，对原砂进行表面处理可以提高粘结剂的粘结效率，提高覆膜砂的强度，减少树脂加入量，降低发气量。
The results have shown that the precoated sands with low resin content, high strength, and low gas evoluti…
结果表明，对原砂进行表面处理可以提高粘结剂的粘结效率，提高覆膜砂的强度，减少树脂加入量，降低发气量。
The results have shown that the precoated sands with low resin content, high strength, and low gas evoluti…
应用推荐