BalanceMaster, Inc.

Dynamic Balancing Systems

Dynamic balancing machines - balancing machine instrumentation - dynamic balancing software

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High-speed small rotor Balancing
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Balancing system for miniature high-speed rotors
Balancing Instrumentation
Balancing Software
Desk-top balancing machines
Horizontal balancing machines
Vertical balancing
machines

Balancing explained

Software updates

BalanceMaster, Inc.
2246 Toll Gate Road
Concord, VA 24538
USA

434-258-5078 (Phone)
434-473-6763 (Fax)

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Sales@Balancemaster.com


Beginning

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  • The two primary factors to determine the permissible unbalance (also called the balancing tolerance) are the weight of the rotating part (mass) and the highest operational speed.

  • Based on experimental data, the potential for damage due to unbalance can be expressed as "Balancing Quality Grade", or G.

  • The EasyBalance instrumentation system has a built-in ISO balancing quality calculator. Just enter rotor weight, service speed and desired ISO quality (G number), and click CALCULATE

 

Balance quality grades are standardized in ISO 1940.

Balance quality grade
G

Vibration velocity in
mm per second

Rotor types
General examples

G 100 100 Crankshaft drives of large Diesel engines
Complete engines for trucks and locomotives
G 40 40 Crankshaft drives for engines of trucks and locomotives
G 16 16 Parts of crushing machinery
Parts of agricultural machinery
G 6.3 6.3 Fly-wheels
Fans
Aircraft gas turbine rotors
Electrical armatures
Process plant machinery
Pump impellers
G 2.5 2.5 Machine-tool drives
Turbo compressors
Small electric armatures
Turbine-driven pumps
G 1 1 Grinding machine drives
Textile bobbins
Automotive turbochargers
G 0.4 0.4 Gyroscopes
Disk-drives
Spindles for high-precision applications

The smaller the number, the smoother the operation



 

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