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为了不断提高筛网的质量,更好地为大打矿山之仗服务,一机部矿山局于1974年6月组织了筛网攻关组,在株洲矿筛厂进行了攻关工作。攻关小组在有关领导的关怀与支持下,以批林批孔为纲,充分发动和依靠该厂职工,坚持二个三结合,经过几个月的团结战斗,获得了可喜的战果。筛网的串条,经改变了材质后,已经克服了折断现象;焊接筛网及筛篮改进焊接工艺后,经多次破坏性试验,已经解决了因焊接不牢而断裂散架现象;筛缝合格率由原来的43.9％提高到70％,高达80％以上,接近了国外
In order to constantly improve the quality of the screen, and better fight for the battle of the mine, a mechanized mining bureau in June 1974 organized a sieve research group in Zhuzhou mine sieve factory carried out research work. Under the concern and support of the leaders concerned, the research team made every effort to establish and rehabilitate the workers and staff of the plant by using the proletariat as a key link. After two months and three months of fighting together, the two teams achieved great success. Screen string, after the change of material, has been overcome by the breaking phenomenon; welding screen and screen basket to improve the welding process, after many destructive tests, has been solved due to the welding is not strong and broken broken frame phenomenon; screen seam The passing rate from the original 43.9% to 70%, up to 80% or more, close to foreign countries