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目前许多科学研究所和设计院正研究设计煤炭工业用的、装备圆盘切齿的掘进机。圆盘切齿破碎岩石时的作用力,由于缺乏统一的计算办法,因此难于设计破碎岩石的切齿和使用这些切齿的机器。在进行确定圆盘切齿破碎岩石动力参数的科研工作时,所得到的结果很难用于实际,因为这些结果都具有假定近似的性质,且互不一致,只能在进行实验的具体条件下采用。取下列原则作为提出研究方法的根据:
At present, many scientific institutes and design institutes are studying the design of the tunneling machine with disc cutters for the coal industry. The lack of a unified calculation of the forces acting on the disc when cutting the rock makes it difficult to design the cutting teeth of broken rock and the machines that use them. The results obtained during the research work to determine the dynamic parameters of disk-broken rock are hard to be used in practice because these results are assumed to have approximate properties and are not consistent with each other and can only be used under specific experimental conditions. Take the following principles as a basis for proposing a research approach: