Looseness indicates structural weakness, loose bolts, or a poor fit between components.
BPFO=N2×RPM×(1−BdPdcosϕ)BPFO equals the fraction with numerator cap N and denominator 2 end-fraction cross RPM cross open paren 1 minus the fraction with numerator cap B sub d and denominator cap P sub d end-fraction cosine phi close paren Vibration Analysis Wall Chart Pdf
▲ Amplitude (Severity) │ Peak-to-Peak │ ┌──────────────┐ │ ┌─┐ ┌─┐ │ ┌┘ └┐ ┌┘ └┐ ◄─── Peak ───────┼──┼───┼──────────┼───┼────────► Time │ ┌┘ └┐ ┌┘ └┐ │┌┘ └┐ ┌┘ └┐◄─── RMS (Energy) └──────────┘────────────┘ Key Measurement Units Looseness indicates structural weakness, loose bolts, or a