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(2)整机相对激振试验 它反映机床在动态切削力作用下的受迫振动的频率响应。 在工件(或模拟工件)与刀具(或模拟刀具)之间借助切削力或激振器施加大小相等,方向相反的激振力,并测量二者之间的相对振动。 a.试验方法见表9 b、试验系统 常用的相对激振试验系统有:简谐力相对激振试
(2) Relative vibration test machine It reflects the machine tool in the dynamic cutting force under the forced vibration frequency response. Equal and opposite exciting forces are applied between the workpiece (or simulated workpiece) and the tool (or simulated tool) with the aid of a cutting force or exciter, and the relative vibration between the two is measured. a test methods in Table 9 b, test system commonly used relative excitation test system: Harmonic relative excitation test