The compose , properties , application example and using experiences of new alcohol - based spraying coatings matrix brushing coatings for green sand mold are introduced 摘要论文介绍了粘土湿型砂铸造新型醇基喷涂涂料的组成结构、性能特点、应用实例和使用经验。
The numerical simulation on green sand molding and core making process helps to forecast the quality of sand mold and sand core , to optimize the molding process and to ensure the quality casting production 湿型砂造型和制芯过程的数值模拟可以预测砂型和砂芯质量,优化造型工艺,从而为生产高质量铸件提供重要保证。
Foundry sand adhesives serial bentonite is standard by jb t9227 1999 issued by national industry department . it was apply to settle the problem of high pressure model production line , sand mold collapse 铸造型砂粘结合用膨润土产品标准参照机械工业部颁标jb t9227 - 1999 .本系列产品适用于高压造型生产线,砂型塌方等问题。
The main properties of new alcohol based spraying coatings for green sand mold are superior to the abilities of internal and outside coatings of the same kind , the surfaces of castings that are produced used new alcohol based spraying coatings are smooth without adhering sand and gas - hore 粘土湿型砂铸造新型醇基喷涂涂料的主要性能达到了国内外同类产品领先水平;生产的高锰钢、可锻铸铁和灰口铸铁产品表面光洁,无粘砂、气孔等缺陷。
The results show that , composite could be fabricated on the complicated surface by means of sodium silicate sand mold combination with vacuum infiltration process . when the substrate was 10 mm , composite layers reached 3 mm to 5 mm in thickness with high strength interface and less casting defect . microstructures of grey cast iron and low chromium cast iron matrix composites with various volume fraction has been analyzed 结果表明:用水玻璃砂型(芯)加负压铸渗的工艺能够实现复杂表面(曲面)颗粒增强复合材料的制备,浇注方式简单可靠,基材厚度在10mm时,复合层厚度能达到3 5mm ,且复合层铸造缺陷少,复合效果好,界面致密而且结合强度高。