Reliability Solutions LLC

Masters At Performance Training

RELIABILITY SOLUTIONS, THE MASTER OF ESSENTIAL CRAFT SKILLS TRAINING SM

Precision Skills... essential balancing skills

The session is designed for attendance by field and shop balance technicians, vibration analysts, front line maintenance foremen, machinists, engineers and any others who decide what the balance quality of new, rebuilt, remanufactured, or site running assets should be. Typically the class duration is 2.5 days. Shop balance stand hands-on, and/or field balancing practice will extend the course by one day for each application type at a

minimum.

Subjects

What unbalance is

Common source creation

Weight, radius and other considerations

Sources that are misinterpreted as unbalance

The effects of unbalance on asset and other machinery components

Measurement of Unbalance

Recognition with vibration tools

Relative motion measurements

The effects of vectorial summation

Comparison with other data

The influence of natural and resonance frequencies

Ensuring repeatability in the shop and field

Understanding unbalance types

Static / force

Couple / false-couple

Quasi-static

Dynamic

 

Balance Methods

Four run

Static

Single plane dynamic

Two plane dynamic

Multi plane

Vector Plotting

The effects of parallax error

Plotting by hand and the computer

Common mistakes, tips, and hints

Big circle / small circle balancing

Precision Balancing

Centrifugal force and influence coefficients

Single shot balancing

Time waveform balancing considerations

Phase shift of vibration measurements

Integration error considerations

Balance stand calibration response