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About This Item

 

Full Description

BS ISO 21940-11:2016 establishes procedures and unbalance tolerances for balancing rotors with rigid behaviour. It specifies
  • the magnitude of the permissible residual unbalance,
  • the necessary number of correction planes,
  • the allocation of the permissible residual unbalance to the tolerance planes, and
  • how to account for errors in the balancing process.
NOTE In ISO 21940-14, the assessment of balancing errors is considered in detail. Fundamentals of rotor balancing are contained in ISO 19499 which gives an introduction to balancing.

This document does not cover the balancing of rotors with flexible behaviour. Procedures and tolerances for rotors with flexible behaviour are dealt with in ISO 21940-12.


Cross References:
ISO 14694
ISO 19499
ISO 21940-2
ISO 21940-12
ISO 21940-14
ISO 21940-21
ISO 21940-32


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. BS ISO 21940-11:2016+A1:2022


    Mechanical vibration. Rotor balancing-Procedures and tolerances for rotors with rigid behaviour

    • Most Recent
  2. BS ISO 21940-11:2016

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    Mechanical vibration. Rotor balancing-Procedures and tolerances for rotors with rigid behaviour

    • Historical Version
  3. BS ISO 1940-1:2003


    Mechanical vibration. Balance quality requirements for rotors in a constant (rigid) state-Specification and verification of balance tolerances

    • Historical Version
  4. BS 6861-1:1987


    Mechanical vibration. Balance quality requirements of rigid rotors-Method for determination of permissible residual unbalance

    • Historical Version
  5. BS 5265-1:1979


    Mechanical balancing of rotating bodies.-Recommendations on balance quality of rotating rigid bodies

    • Historical Version
  6. BS 3853:1966


    Specification for mechanical balancing of marine main turbine machinery

    • Historical Version