Balance Tolerance Calculator
Machinery Matters
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Balance Tolerance Calculator
Allowable residual unbalance for single-plane rotors, with the equivalent correction mass at your radius and the rotating force at speed.
Units
lb
RPM
in
ISO 21940-11 / API
| Result | API 4W/N |
|---|---|
| Allowable residual unbalance (oz·in) | — |
| Correction mass at r (oz | g) | — |
| Specific unbalance (g·mm/kg = e in µm) | — |
| Rotating force at N (lbf) | — |
| Force as share of rotor weight (%) | — |
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Results state permissible residual unbalance per correction plane for rigid, single-plane rotors and are provided for reference only.
The user is solely responsible for verifying these results and for any use or application of them.
Companion tool to Single-Plane Balancing: The Fundamentals.