
High-speed balancing for rotors operating above their first critical speed isn’t always necessary; it depends on a detailed analysis of the rotor’s dynamic behavior and modal response at operational speeds, not a blanket rule.

High-speed balancing for rotors operating above their first critical speed isn’t always necessary; it depends on a detailed analysis of the rotor’s dynamic behavior and modal response at operational speeds, not a blanket rule.

Managers from a gas-treating company investigated the effects of varnish on the vibration of bearing No.2 of a Siemens SGT 600 gas turbine.

Published: August 5th 2025 | Updated: