西安变压器电炉厂铸钢车间革命工人、革命技术人员、革命干部,组成三结合小组,应用优选法,优选铸型模型砂配比,使该厂生产的35、75千瓦气体渗碳炉炉罐质量大大提高,而且进一步进行优选,使105千瓦气体渗碳炉炉罐整节浇注成功,彻底改变了过去“浇一个坏一个”的落后面貌,质量完全达到技术指标。 Xi’an transformer furnace plant steel shop revolutionary workers, revolutionary technicians, revolutionary cadres, the formation of the three combination of panels, the application of preferred method, the preferred model sand mold ratio, so that the factory produced 35,75 kilowatts of gas carburizing furnace tank quality greatly Improve, and further optimization of the 105 kilowatts of gas carburizing furnace pouring the entire section of the success of a complete change in the past, “pouring a bad one” of the backward, the quality fully meet the technical indicators.