问题的提出: 随着社会主义建设事业的飞跃发展,在全国工农业大跃进的新形势下,工业遍地开花。而重工业的核心——机械制造工业组成部份之一,铸造生产也相应的随着遍地开花。铸造车间的造型砂中必须加入粘结剂,也就是说粘结剂是遍地工厂铸造车间型砂中不可缺少的成份。过去一般工厂最普遍的是用白泥类粘土做粘结剂,此类粘土分布的很不普遍,为了适应工业大跃进的要求,在鼓足干劲力争上游,多快好省社会主义建设总路线的光辉照耀下,本着敢想敢做的精神,研究了以黄泥代替粘土。实践证明了以黄泥代替 The proposal of the problem: With the rapid development of the cause of socialist construction, industry has blossomed everywhere under the new situation of the great leap forward of the industrial and agricultural industry. At the heart of heavy industry, one of the components of the machinery manufacturing industry, casting production has also correspondingly blossomed. Binder must be added to the foundry sand in the foundry, which means that the binder is an indispensable component in the foundry sand of the foundry. In the past, the most common factory was to use white mud-like clay as a binder. This type of clay was not widely distributed. In order to meet the requirements of the industrial leap forward, we worked hard to strive for the upper reaches of the industry. In the spirit of dare to think and dare to shine, we studied the use of yellow mud instead of clay. Practice proved to be replaced by yellow mud