BS 848-7(2003) : 2003

Superseded

View Superseded by

FANS FOR GENERAL PURPOSES - PART 7: SPECIFICATIONS FOR BALANCING AND VIBRATION

Available format(s)

Hardcopy , PDF

Superseded date

31-07-2011

Language(s)

English

Published date

01-01-2003

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Purpose of the test
6 Balance and vibration application categories (BV categories)
7 Balancing
   7.1 General
   7.2 Balance quality grade
   7.3 Calculation of permissible residual unbalance
8 Fan vibration
   8.1 Measurement requirements
   8.2 Fan support system
   8.3 Fan vibration limits for tests in manufacturer's
        work-shop
   8.4 Fan vibration limits for operation in situ
9 Other rotating components
10 Instruments and calibration
   10.1 Instruments
   10.2 Calibration
11 Documentation
   11.1 Balance
   11.2 Fan vibration
   11.3 Certificates
Annex A (informative) - Relationship of vibration displacement,
                        velocity and acceleration for sinusoidal
                        motion
Annex B (informative) - Assembly practices for balancing in a
                        balancing machine
Annex C (informative) - Sources of vibration
Annex D (informative) - Equation of vibration
Annex E (informative) - Vibration and supports
Annex F (informative) - Out of balance and bearing reactions
Annex G (informative) - Condition monitoring and diagnostic
                        guidelines
Annex H (informative) - Suggested relaxation of specified grades
                        and levels
Bibliography

Provides specifications for vibration and balance limits of fans for all applications except those designed solely for air circulation.

Committee	MCE/17
DevelopmentNote	Supersedes 00/704961 DC (05/2003) Renumbered as BS ISO 14694. (08/2011)
DocumentType	Standard
Pages	48
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 14694 : 2003
Supersedes	00/704961 DC : DRAFT MAR 2000

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