Skip to main content

I interpretted "What does it mean..." as "How would you diagnose it"

If so perhaps op can share details.
Are you talking about 1/2x motor showing up on fan?... or coupled machine with 1/2x showing on both motor and fan?

Machine details
What type bearings? What type housings? What type coupling? Horizontal? Anything interesting about the support (does 1/2x show up near bottom/support of the machine? )
Greetings

vibration signature understanding of 1/2 X is sub harmonic related to shaft rubs at the journal or bearing bush due to misalignment, excess wear down, lubrication failure etc.,

if 1/2, 1.5, 2.5 ... son on referred to looseness of the bearings and shaft where multiple journals used.

appreciate if any other specialist make any references on this post.
regards
Chary

Add Reply

Post
×
×
×
×
Link copied to your clipboard.
×