Maschinenbau und Messwesen

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  • Balancing of rotating tools and tool systems (ISO 16084:2017)

    Standard [CURRENT] 2021-06

    DIN ISO 16084:2021-06

    Balancing of rotating tools and tool systems (ISO 16084:2017)

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  • Mechanical vibration - Rotor balancing - Part 1: Introduction (ISO 21940-1:2019)

    Standard [CURRENT] 2019-07

    DIN ISO 21940-1:2019-07

    Mechanical vibration - Rotor balancing - Part 1: Introduction (ISO 21940-1:2019)

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  • Mechanical vibration - Rotor balancing - Part 2: Vocabulary (ISO 21940-2:2017)

    Standard [CURRENT] 2017-09

    DIN ISO 21940-2:2017-09

    Mechanical vibration - Rotor balancing - Part 2: Vocabulary (ISO 21940-2:2017)

    This standard defines terms relating to balancing technology in German. To promote international understanding, the English terms are also given and compiled in a separate index. In addition to ...

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  • Mechanical vibration - Rotor balancing - Part 11: Procedures and tolerances for rotors with rigid behaviour (ISO 21940-11:2016 + Amd 1:2022)

    Standard [CURRENT] 2023-04

    DIN ISO 21940-11:2023-04

    Mechanical vibration - Rotor balancing - Part 11: Procedures and tolerances for rotors with rigid behaviour (ISO 21940-11:2016 + Amd 1:2022)

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  • Mechanical vibration - Rotor balancing - Part 12: Procedures and tolerances for rotors with flexible behaviour (ISO 21940-12:2016)

    Standard [CURRENT] 2016-09

    DIN ISO 21940-12:2016-09

    Mechanical vibration - Rotor balancing - Part 12: Procedures and tolerances for rotors with flexible behaviour (ISO 21940-12:2016)

    The aim of balancing any rotor is to achieve satisfactory running when installed in-situ. In this context, “satisfactory running” means that not more than an acceptable magnitude of vibration is ...

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  • Mechanical vibration - Rotor balancing - Part 12: Procedures and tolerances for rotors with flexible behaviour - Supplement 1: Procedure for balancing at multiple rotational speeds

    Technical rule [CURRENT] 2015-04

    DIN ISO 21940-12 Beiblatt 1:2015-04

    Mechanical vibration - Rotor balancing - Part 12: Procedures and tolerances for rotors with flexible behaviour - Supplement 1: Procedure for balancing at multiple rotational speeds

    Shaft-elastic behaviour of a rotor is when structural resonances are passed through or the operating speed of a structural resonance rate approaches to the extent that its effect on the rotor ...

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  • Mechanical vibration - Rotor balancing - Part 13: Criteria and safeguards for the in-situ balancing of medium and large rotors (ISO 21940-13:2012)

    Standard [CURRENT] 2012-08

    DIN ISO 21940-13:2012-08

    Mechanical vibration - Rotor balancing - Part 13: Criteria and safeguards for the in-situ balancing of medium and large rotors (ISO 21940-13:2012)

    Many rotors are balanced in specially designed balancing facilities prior to installation into their bearings on site. However, if remedial work is carried out locally or a balancing machine is ...

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  • Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors (ISO/DIS 21940-14:2025); Text in German and English

    Draft standard [PRE-ORDER] 2026-03

    DIN ISO 21940-14:2026-03 - Draft

    Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors (ISO/DIS 21940-14:2025); Text in German and English

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  • Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors (ISO 21940-14:2012 + Amd 1:2022)

    Standard [CURRENT] 2023-04

    DIN ISO 21940-14:2023-04

    Mechanical vibration - Rotor balancing - Part 14: Procedures for assessing balance errors (ISO 21940-14:2012 + Amd 1:2022)

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  • Mechanical vibration - Rotor balancing - Part 21: Description and evaluation of balancing machines (ISO 21940-21:2022)

    Standard [CURRENT] 2025-01

    DIN ISO 21940-21:2025-01

    Mechanical vibration - Rotor balancing - Part 21: Description and evaluation of balancing machines (ISO 21940-21:2022)

    This document sets out the requirements for evaluating hard and soft bearing balancing machines that support and rotate: a) rotors with rigid behaviour at balancing speed (as described in ...

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