《Table 2 Stiffne ss coe fficie nts of the isolator》

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《Design and Testing of a Novel Passive Isolator for a Space Optical Payload》

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The detailed structure of the vibration isolator is depicted in Fig.1.It consists of a flexure，tw o elastic damping rings，connecting rods，and flanges.The elastic damping ring is composed of double-deck leaf springs and connecting elements.The double-deck leaf springs are fixed to the connecting elements w ith bolts and in-filled w ith silicon rubber.The flexure has a high axial and bending rigidity but a low torsional rigidity.When a loading force is applied to the vibration isolator，the leaf springs of the isolator deform to provide the stiffness，and the silicon rubber is compressed and sheared to provide the damping.The stiffness and damping of the isolator can be adjusted by changing its geometric parameters，such as the length，w idth，and thickness of the leaf spring and silicon rubber.Hence，it can be suitable for different payloads w ith different dimensions，masses and moments of inertial.Different arrangement styles consisting of multiple isolators can be adopted to achieve multi-axis vibration isolation.The material of the leaf springs is 65 M n w hich is the spring steel，w hile the other component material of the isolator is titanium.Table 1 show s the detailed geometric properties of the isolator.