GB/T 6557-2009 Mechanical vibration—Methods and criteria for the mechanical balancing of flexible rotors
GB/T 6557-2009 Mechanical vibration—Methods and criteria for the mechanical balancing of flexible rotors
Basic Information
Scope
This standard classifies various rotors according to their characteristics and balancing requirements, lists the structural types of various typical flexible rotors, explains the balancing methods, stipulates the evaluation methods for the final state of imbalance, and provides criteria for evaluating balancing on balancing equipment and on-site balancing according to vibration limits and residual imbalance quantity limits.
This standard can also be used as a basis for more in-depth research. For example, when it is necessary to more accurately determine the required balancing quality, if attention is paid to the specified manufacturing methods and imbalance quantity limits, it is expected that satisfactory operation can be achieved.
This standard is not a acceptance specification for rotors, but it explains how to avoid major defects and unnecessary restrictive requirements.
The methods and criteria given in this standard are derived from the experience of general industrial machines and are applicable to general industrial machines. For special equipment or special environments, they may not be directly applicable, and in some cases, it may be necessary to deviate from the provisions of this standard.
The issues of structural resonance and its dynamic modification are not included in the scope of this standard.