Multi-part Document
BS ISO 21940 - Mechanical vibration. Rotor balancing

This is a multi-part document divided into the following parts:

• Part 1 Mechanical vibration. Rotor balancing. Introduction
• Part 2 Mechanical vibration. Rotor balancing. Vocabulary
• Part 11 Mechanical vibration. Rotor balancing. Procedures and tolerances for rotors with rigid behaviour
• Part 12 Mechanical vibration. Rotor balancing. Procedures and tolerances for rotors with flexible behaviour
• Part 13 Mechanical vibration. Rotor balancing. Criteria and safeguards for the insitu balancing of medium and large rotors
• Part 14 Mechanical vibration. Rotor balancing. Procedures for assessing balance errors
• Part 21 Mechanical vibration. Rotor balancing. Description and evaluation of balancing machines
• Part 23 Mechanical vibration. Rotor balancing. Enclosures and other protective measures for the measuring station of balancing machines
• Part 31 Mechanical vibration. Rotor balancing. Susceptibility and sensitivity of machines to unbalance
• Part 32 Mechanical vibration. Rotor balancing. Shaft and fitment key convention