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Slider is an important power output component for high-speed precision presses, which requiring a higher stiffness (less deformation). The mold and stamping part’s size were generally not considered for the traditional analysis method. In this paper, the length and thickness of the equivalent upper die and the size of the stamping parts were fully considered for the finite element analysis of the slider parts for a 3000kN straight side two-point high-speed precision press and the stiffness was much higher than the traditional one. Thestiffnesseffects of equivalent upper die thickness, feed width, equivalent upper die lengthand eccentric loadwere studied. The results show that: the effect of equivalent upper die thickness on the stiffness was greater than that of the feed width; the equivalent upper die length’s shorten will result in a decrease of the stiffness of the slider; biasing the mold will improve the stiffness of the slider when using a small mold. Keywords—slider stiffness; high-speed precision press; die size; partial load

Research on Slider Stiffness for Straight Side Two-point High Speed Precision Press Based on Solidworks Simulation