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粘砂是铸钢、铸铁件砂型铸造最常见的表面缺陷.为解决粘砂问题发表的论文是大量的,但迄今,粘砂的成因仍不甚清楚.近些年来,苏联对此有了更为科学的认识,有了一整
The sticky sand is the most common surface defect found on castings of cast steel and cast iron Sand castings have been published to solve the problem of sticking sand, but so far the cause of the sticky sand remains poorly understood. For the scientific understanding, with a whole