Balancing Know-How: Understanding Unbalance

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hello and welcome to this quick

presentation on understanding unbalance

my name is Jason Tranter the founder and

Managing Director of Mobius Institute

Mobius Institute provides vibration

training and accredited certification so

unbalance exists when the mass center

line and the geometric centre line do

not coincide what does all that mean

so the geometric center line is the

center of geometry which for our fan

should be right through the center of

the shaft so if we draw a circle around

it and said where does it intersect well

it should if the machines designed

properly go straight through the center

of our shaft and that's where it also

wants to rotate so there's our geometric

centre line now our math centre line

should be in the same location if all

the mass is evenly distributed around