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由于粉煤灰硅酸盐砌块是采用振动成型,带模养护工艺,所以必须配备大量钢模。如我厂砌块车间设计年产量18万立米,配备有钢模1400多套,需钢材1600多吨。所以,现在应该本着节约钢材的原则,积极研究钢模的型式和结构,设计一种既能符合生产质量要求,又能少用钢材的钢模。近几年来,福建、江苏、云南、四川等省的砌块厂,试用了立模代替目前的平模生产砌块,估计可以比平模节约钢材20～25％。还有一些中小城市的砌块厂也制造了各种不同结构和型式的立模投入生产使用。
Since the fly ash silicate blocks are formed by vibration molding with a mold curing process, a large number of steel molds must be equipped. For example, the annual output of the block workshop of our factory is 180,000 cubic meters, equipped with more than 1,400 sets of steel molds and more than 1,600 tons of steel. Therefore, it is time to actively study the type and structure of steel molds based on the principle of saving steel and design a steel mold that can meet the production quality requirements and can use less steel. In recent years, the block factories in Fujian, Jiangsu, Yunnan, Sichuan and other provinces have tried standing molds instead of the current flat mold production blocks, and it is estimated that they can save 20 to 25% of steel materials compared to flat molds. There are also some small and medium-sized cities in the block factory also made a variety of different structures and types of vertical molds into production use.