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Vibration Monitoring Non Rotating Machines

VM - Vibration Monitoring (ISO 10816) - is it evidently shaking itself - monitor by operator or transducer.
ISO-10816Vibration Monitoring has its roots in maintenance engineers inspecting machines during their traditional walk around. It attempts for formalise an instinctive understanding that a machine is vibrating unusually. 
ISO 10816 establishes the general conditions and procedures for measurement and evaluation of vibrations from the non-rotating parts of machines. 
Standards provide guidance for machines operating in the 10 to 200 Hz (600 to 12,000 RPM) frequency range. Examples of these types of machines are small, direct-coupled, electric motors and pumps, production motors, medium motors, generators, steam and gas turbines, turbo-compressors, turbo-pumps and fans. Some of these machines can be coupled rigidly or flexibly, or connected through gears. The axis of the rotating shaft may be horizontal, vertical or inclined at any angle. 
ISO 10816-3 defines four groups of machines, ranked according to size, base and purpose. It separates the working conditions into four zones:
  • Zone A Green: vibration values from machines just put into operation
  • Zone B Yellow: continuous operation without any restrictions
  • Zone C Orange: condition is acceptable only for a limited period of time
  • Zone D Red: dangerous vibration values - damage could occur at any time
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