Libreng Engineering Tool #067

Machine Vibration Isolation Calculator

Kumpletong disenyo ng isolation. Ilagay ang mass ng makina, bilis, unbalance force, bilang ng mga mount, at target na transmissibility.

TransmissibilityForce IsolationAuto-Calc
Quick presets

Results

Transmitted Force
Total Stiffness
Per Mount
Natural Frequency
Static Deflection
Freq Ratio r

Transmisibilidad (walang damping)

Kinakailangang Natural Frequency

Stiffness at Deflection

Transmitted Force

Halimbawa – Pump na 800 kg sa 1500 RPM

Given: m=800 kg, 1500 RPM (25 Hz), F0=500 N, T=0.10, 4 mounts

r = sqrt(1/0.10 + 1) = 3.317, fn = 25/3.317 = 7.54 Hz

k = 800 x (2pi x 7.54)^2 = 1795 kN/m = 449 N/mm sa bawat mount

delta = 4.37 mm, Ftrans = 50 N

Dumadaan ang makina sa resonance sa panahon ng startup. Tiyaking may sapat na damping ang mga mount para sa transient amplification.

Vibromera – Portable na Balancing at Vibration Analysis. Ginagamit sa mahigit 50 bansa.
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