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ISO 2953

3rd Edition, April 15, 1999

Complete Document

Machanical Vibration - Balancing Machines - Description and Evaluation



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Superseded By: ISO 21940-21

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ENGLISH * W/D S/S BY ISO 21940-21
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Description / Abstract:

This International Standard gives requirements for the evaluation of the performance and characteristics of machines for balancing rotating components. It stresses the importance attached to the form in which the balancing machine characteristics should be specified by the manufacturers and also outlines criteria and tests for evaluating balancing machines. Adoption of the format suggested in 4.1 and 4.2 makes it easier for the user to compare products of the different manufacturers. Guidance as to the manner in which users should state their requirements is given in annex B.

Details of proving rotors, test masses and performance tests to be employed to ensure compliance with specified unbalance indicating capability are given. Tests for other machine capacities and performance parameters are not contained in this International Standard.

Annex E describes recommended modifications of old ISO proving rotors.

This International Standard does not specify balancing criteria; these are specified in ISO 1940-1.

This International Standard is applicable to balancing machines that support and rotate workpieces which are rigid at balancing speed, and that indicate the amounts and angular locations of required unbalance corrections in one or more planes. It covers both the machines that measure out-of-balance effects on soft bearings and those that measure this on hard bearings.

Technical requirements for such balancing machines are included, however, special features, such as those associated with automatic correction, are excluded.
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