Credible fixed millimeters cannot be given without cantilever length, section, material, connection method, gun holder quality, number of spray guns/cups, line drag, running speed, acceleration, Jerk and measured data. The problem should be broken down into four categories of indicators: static deflection, dynamic peak displacement, peak-to-peak jitter, and residual vibration stabilization time after reversal. Static deformation can be calculated by beam theory or finite element calculation; inertial force, torque, structural natural frequency, dynamic amplification, hose dragging and mechanical clearance must also be considered under high-speed reciprocation. The final range shall be confirmed jointly by "Calculation/Finite Element + No Load/Graded Load fat + Full Load High Speed sat".
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