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Standard

BALANCING EQUIPMENT FOR JET ENGINE COMPONENTS COMPRESSORS AND TURBINE - ROTATING TYPE FOR MEASURING UNBALANCE IN ONE OR MORE THAN ONE TRANSVERSE PLANES
1972-07-01
HISTORICAL
ARP6239A
This document specifies those requirements of balancing equipment which make it suitable for the subject class of work. It will specify: (a) Sensitivity, (b) Accuracy of indications of amount and angle of unbalance, (c) Ability to separate the Dynamic Unbalance into two planes and to separate Static and Couple Unbalance, (d) Machine capacity relating to weight and physical dimensions of the rotors which can be balanced, (e) Balancing speed of rotation, (f) Standard balancing machine drive adapter flange dimensions, (g) Standard shroud mounting pads, (h) Power requirements.
Standard

BALANCING EQUIPMENT FOR JET ENGINE COMPONENTS COMPRESSORS AND TURBINE - ROTATING TYPE FOR MEASURING UNBALANCE IN ONE OR MORE THAN ONE TRANSVERSE PLANES
1972-07-01
HISTORICAL
ARP587A
This document specifies those requirements of balancing equipment which make it suitable for the subject class of work. It will specify: (a) Sensitivity, (b) Accuracy of indications of amount and angle of unbalance, (c) Ability to separate the Dynamic Unbalance into two planes and to separate Static and Couple Unbalance, (d) Machine capacity relating to weight and physical dimensions of the rotors which can be balanced, (e) Balancing speed of rotation, (f) Standard balancing machine drive adapter flange dimensions, (g) Standard shroud mounting pads, (h) Power requirements.
Standard

BALANCING MACHINE PROVING ROTORS
1993-09-28
HISTORICAL
ARP4162
This SAE Aerospace Recommended Practice specifies a series of balancing machine proving rotors and related test weights as directly required for the evaluation of gas turbine rotor balancing machines.
Standard

BALANCING MACHINES FOR JET ENGINE COMPONENTS - COMPRESSORS AND TURBINES - ROTATING TYPE - FOR MEASURING UNBALANCE IN ONE OR MORE THAN ONE TRANSVERSE PLANES
1962-11-15
HISTORICAL
ARP587
This document specifies those requirements of a balancing machine which make it suitable for the subject class of work. It will specify: (a) Sensitivity, (b) Accuracy of indications of amount and location of unbalance, (c) Ability to separate the Dynamic Unbalance into two planes and to separate Force and Couple Unbalance, (d) Machine capacity relating to weight and physical dimensions of the rotors which can be balanced, (e) Balancing speed of rotation, (f) Standard balancing machine drive adapter flange dimensions, (g) Standard shroud mounting pads, (h) Power requirements.
Standard

Balance Data Vector Math - Discussion and Usage
2017-10-16
WIP
AIR6964
Provide guidance on how balance machine vector data is captured and reported. Provide an understanding of how to transform balance machine vector data to alternate locations. Provide guidance on how vector imbalances may be used to evaluate and diagnose balance process performance.
Standard

Balance Machine Bode Plot Interpretation
2017-10-16
WIP
AIR6965
Provide a fundamental understanding of reason for completing a bode plot on the balance machine. Discuss potential causes of a resonance within the balance process. Discuss the basis for the WN^2 requirement and how it pertains to the bode plot. Provide guidelines for the usage and interpretation of the bode plot.
Standard

Balancing Machine Proving Rotors
2017-03-17
CURRENT
ARP4162B
This SAE Aerospace Recommended Practice (ARP) specifies a series of balancing machine proving rotors and related test weights as directly required for the evaluation of gas turbine rotor balancing machines.
Standard

Balancing Machine Proving Rotors
2019-11-01
WIP
ARP4162C
This SAE Aerospace Recommended Practice (ARP) specifies a series of balancing machine proving rotors and related test weights as directly required for the evaluation of gas turbine rotor balancing machines.
Standard

Balancing Machine Proving Rotors
2011-07-19
HISTORICAL
ARP4162A
This SAE Aerospace Recommended Practice (ARP) specifies a series of balancing machine proving rotors and related test weights as directly required for the evaluation of gas turbine rotor balancing machines.
Standard

Balancing Machines - Description and Evaluation Horizontal, Two-Plane, Soft-Bearing Type for Gas Turbine Rotors
2012-12-17
CURRENT
ARP587C
The specific performance requirements preceding each test in Section 9 have been written to define certain characteristics of the machine. Conformance with the tests constitutes what is considered minimum proof that the machine will meet these requirements. The test procedures will not prove conformance with all requirements over the full range of all variables, neither will they measure nor define the exact reasons for nonconformance in a given test. Failure of a machine to conform may be due to shortcomings in specific components or to more general reasons such as lack of ruggedness, improper leveling or anchoring to the floor, etc.
Standard

Balancing Machines - Tooling Management, Audit, and Control
2015-12-21
WIP
ARP6898
The goal of this new document is to provide criteria for managing, auditing, and controlling the use of rotating balancing tooling and associated support tools. A variety of subjects will be addressed including serialization and marking requirements, critical inspection criteria, performance tracking through tooling compensation trend analysis, handling of gage standards (rotor simulators, master blades, dummy blades, etc.), recommendations for periodic and preventive maintenance intervals, test recommendations to evaluate rotating tooling performance, requirements for traceable measures (such as torques, runouts, eccentricity, etc.), repeatability characterization, and criteria for return to service.
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