ANSI S2WG10

Operational Monitoring and Condition Evaluation

Chair: Max L’vov

Scope: Develop and maintain standards for operational condition monitoring and evaluation of machinery. Liaison with the corresponding ISO standards groups. Coordination of the US vote on related or parallel international standards.

Responsible for the following published standards:

• ASA/ANSI S2.28 – Guide for the Measurement and Evaluation of Broadband Vibration of Surface Ship Auxiliary Rotating Machinery
• ASA/ANSI S2.29 – Guide for the Measurement and Evaluation of Vibration of Machine Shafts on Shipboard Machinery
• ASA/ANSI S2.80/Part 1 / ISO 20816-1– Mechanical vibration – Measurement and evaluation of machine vibration – Part 1: General guidelines
• ASA/ANSI S2.80/Part 2/ ISO 20816-2—Mechanical vibration — Measurement and evaluation of machine vibration — Part 2: Land-based gas turbines, steam turbines and generators in excess of 40 MW, with fluid-film bearings and rated speeds of 1 500 r/min, 1 800 r/min, 3 000 r/min and 3 600 r/min
• ASA/ANSI S2.81/Part 11/ ISO 21940-11—Mechanical vibration — Rotor balancing — Part 11: Procedures and tolerances for rotors with rigid behaviour (a nationally adopted international standard)
• ASA/ANSI S2.81/Part 12/ ISO 21940-12—Mechanical vibration — Rotor balancing — Part 12: Procedures and tolerances for rotors with flexible behaviour (a nationally adopted international standard)
• ASA/ANSI S2.81/Part 14/ ISO 21940-14—Mechanical vibration — Rotor balancing — Part 14: Procedures for assessing balance errors (a nationally adopted international standard)
• ASA/ANSI S2.81/Part 2/ ISO 21940-2—Mechanical vibration — Rotor balancing — Part 2: Vocabulary (a nationally adopted international standard)

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