BS 6861-1:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
05-09-2005
English
30-06-1987
National foreword
Committees responsible
Method
0 Introduction
1 Scope and field of application
2 References
3 Pertinent aspects of the balancing problem
4 Permissible unbalance related to rotor mass
5 Quality grades relating service speed and
permissible residual specific unbalance
6 Determination of balance quality requirements
7 Allocation of permissible residual unbalance to each
correction plane on the basis of Uper
8 Determination of the residual unbalances
9 Sources of errors in balancing
Annex
Example for the general method described in 7.3.3.1
for two-plane balancing
Tables
1 Balance quality grades for various groups of
representative rigid rotors
2 Typical examples of recommended deviations
Figures
1 Different representations of the same state of
unbalance of a rigid rotor
2 Maximum permissible residual specific unbalance
value corresponding to various balance quality
grades
3 Rotor dimensions to be used for simplified method
4 Rotor with overhung discs at both ends
5 Rotors with couple correction planes I and II at a
distance b less than one-third of the bearing span l
6 Rotor dimensions to be used for general method
calculations
7 Determination of the reponse of the permissible
residual unbalance to a trial mass
8 Test procedure for determining the residual
unbalance in one plane
9 Error sources in end-drive elements
10 Rotor dimensions
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