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Bush Stiffness Testing Machine
Dynamic Bushing Characterization
Specialized for automotive components, this machine measures axial, radial, torsional, and conical stiffness under precise servo-control.
Expert Guidance
Engineering Tips & FAQs
Technical advice for standard integration and mounting.
Q: Why is 'frame deflection' compensation critical in high-load tensile testing?
At high loads, the testing machine's own frame can deform. If not compensated, this 'machine compliance' is added to the specimen's elongation data, leading to an underestimation of Young’s Modulus.
Q: How does the 'solid height' of a spring affect the calibration of a spring testing machine?
Approaching 'solid height' causes an exponential increase in force. A machine must have high-speed data acquisition to capture this rapid transition without overshooting the load limit.
Q: What is the significance of 'frequency dependence' when measuring bush stiffness?
Rubber and polymer bushings are viscoelastic; their properties change with the rate of loading. Dynamic tests at specific frequencies (e.g., 10Hz, 50Hz) are required to capture true operational behavior.
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