SAE ARP4050
- BALANCING MACHINES - DESCRIPTION AND EVALUATION VERTICAL, TWO-PLANE, HARD-BEARING TYPE FOR GAS TURBINE ROTORS
- standard by SAE International, 07/19/2011
- Category: SAE
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Characteristics of vertical hard-bearing balancing machines are described which make such machines suitable for gas turbine rotor balancing.This document specifies the following: a. general dimensions and capacities; b. performance requirements; c. balancing speed ranges; d. drive power requirements; e. balancing machine spindle flange dimensions; and f. test procedures.Proving rotors and associated test masses required for the performance tests are described in ARP4162.Test procedures are described in detail and test log samples along with a polar diagram for evaluating the test results are furnished.The predecessor document ARP588, ISO 2953, and the available technology of hard-bearing balancing machines have been considered in the preparation of this document.This document was developed for hard-bearing balancing machines but may also be used for existing soft-bearing balancing machines.
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