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新型的聚氨酯分级筛面是国家“七五”科技攻关项目“75—51—02—01/07”“耐磨橡胶筛板与应用技术研究”课题完成的最新技术内容之一,已通过专家鉴定,鉴定指出:“筛面选材方向正确,设计制造工艺先进,使用效果良好、维修方便,具有降低噪声的优点,属国内首创,相当于国外80年代中期水平。”该筛面是由聚氨酯等材料制成的与金属丝筛面相似的柔性筛面,由圆形断面的
The new type of polyurethane graded screen is one of the latest technical contents of “75-51-02-01 / 07” “Research on Abrasion Resistant Rubber Sieve and Applied Technology” of the national “Seventh Five-Year” scientific and technological project, and has passed the expert appraisal , Appraisal pointed out: “The screen surface selection direction is correct, advanced design and manufacturing process, the use of good results, easy maintenance, with the advantages of reducing noise, is a national initiative, equivalent to foreign mid-1980s level.” The screen surface is made of polyurethane and other materials Made of metal wire screen similar to the flexible screen surface, the circular section