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对螺旋压力机打击力测量不准的原因进行了研究，得出了一些初步性的结论，建立了打击力测量的力学模型，并用实验作了定性验证．最后对打击力测量中存在的问题做了探讨．
The cause of inaccurate measurement of the impact force of the screw press was studied, and some preliminary conclusions were obtained. The mechanical model of the impact force measurement was established and qualitatively verified by experiments. Finally, the problems in the measurement of striking force are discussed.