Section How Repeatability Is Measured Published: Date Published on Zhilianhai
A practical method Choose a fixed measurement point with a dial gauge or dedicated fixture. Run the same program at least 30 times and record every deviation. Report the maximum and the distribution, not the best single result. Repeat with and without the payload attached. What disturbs the result Factor Effect Temperature change Thermal distortion of arm and workpiece Loose base Whole-machine shift Load and speed Larger dynamic error Pose Error grows near singularities
Information is provided for initial research. Verify specifications, pricing, policies and standards against the original source before making decisions.
