This research mainly explores the production of steel castings with air flush molding green sand and the improvement of its character from the molding sand recipe and mold sand system control.
本研究主要探讨了用气冲造型湿型砂来生产铁路钩缓铸钢件，从型砂的配方和型砂系统的控制等几个方面来优化其性能。
The growing thermal load of green sand, the quicker recirculation times and the increased requirements on the quality of molding material make new demands on the molding sand preparation.
潮模砂日益增长的热负荷，更快的循环时间以及对造型材料质量要求的提高，对型砂制备提出了更高的要求。
Critical value of plastic deformation of green sand has been tested by molding sand multi-tester using computer and sensors.
用计算机技术和传感技术组成系统构成型砂多项性能测试仪，测定湿型粘土砂塑性变形临界值。
A specially-designed addition agent is used instead of coal dust in green molding sand for the trial production of impact molding line made by GF company.
本文对于我厂在新铸造车间引进的GF气冲造型线上所用的型砂不添加煤粉。
Casting quality and rejection rate are remarkably affected by the quality and property of molding sand, in the process of clay sand green mold casting.
在粘土砂湿型铸造中，型砂质量和性能对铸件质量、废品率有明显的影响。
The high density green-sand molding has a high requirement for materials quality.
高密度湿型砂对原材料的质量要求很高。
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.
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.
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。
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