03-iso-10816-new
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Group M Group G Group T Just Just tolerable tolerable Just Just tolerable tolerable Allowable Allowable Just Just tolerable tolerable Allowable Allowable Allowable Allowable Not Not Permissible Permissible Not Not Permissible Permissible Not Not Permissible Permissible Group K Good Good Good Good Good Good Good Good Medium machines 15-75 kW or up to 300 kW on special foundations Large machines with rigid and heavy foun- dations whose natural frequency exceeds machine speed Large machines ope- rating at speeds above foundation natural frequency (e.g. Turbo-machinery) Small machines, up to 15 kW Allowable Allowable Just Just tolerable tolerable 8 dB (x 2.5) Not Not Permissible Permissible RMS Velocity (mm/s) 45 28 18 11.2 7.1 4.5 2.8 1.8 1.12 0.71 0.45 0.28 0.18 153 149 145 141 137 133 129 125 121 117 113 109 105 RMS Velocity V dB(ref. 10 -6 mm/s) 1.77 1.10 0.77 0.44 0.28 0.18 0.11 0.07 0.04 0.03 0.02 0.01 RMS Velocity (inch/s) ISO Standard ISO Standard Note: These values, which are the upper limits of zones A, B and C respectively, should apply to radial vibration measurements on all bearing housings or pedestals and to axial vibration measurements on housings containing thrust bearing, under steady- state operating conditions at rated speed. 0.57 14.7 C/D 0.36 9.3 B/C 0.18 4.5 A/B Vibration Velocity inch/s (r.m.s) Vibration Velocity mm/s (r.m.s) Zone boundary ISO 10816-4 For Gas turbine driven sets
description
ISO 10816
Transcript of 03-iso-10816-new
Group M Group G Group T
Just Just tolerabletolerable
Just Just tolerabletolerable
AllowableAllowable
Just Just tolerabletolerable
AllowableAllowable
AllowableAllowable
NotNotPermissiblePermissible
NotNotPermissiblePermissible
NotNotPermissiblePermissible
Group K
GoodGoodGoodGood
GoodGoodGoodGood
Medium machines15-75 kW or up to300 kW on special
foundations
Large machines withrigid and heavy foun-dations whose natural frequency exceeds machine speed
Large machines ope-rating at speedsabove foundationnatural frequency
(e.g. Turbo-machinery)
Small machines,up to 15 kW
AllowableAllowable
Just Just tolerabletolerable
8 dB (x 2.5)
NotNotPermissiblePermissible
RM
S V
eloc
ity
(mm
/s)
45
28
18
11.2
7.1
4.5
2.8
1.8
1.12
0.71
0.45
0.280.18
153
149
145
141
137
133
129
125
121
117
113
109
105
RM
S V
eloc
ity
V d
B(r
ef. 1
0-6
mm
/s)
1.77
1.10
0.77
0.44
0.28
0.18
0.11
0.07
0.04
0.03
0.020.01
RM
S V
eloc
ity
(in
ch/s
)
ISO StandardISO Standard
Note: These values, which are the upper limits of zones A, B and C respectively, should apply to radial vibration measurements on all bearing housings or pedestals and to axial vibration measurements on housings containing thrust bearing, under steady-state operating conditions at rated speed.
0.5714.7C/D
0.369.3B/C
0.184.5 A/B
Vibration Velocityinch/s (r.m.s)
Vibration Velocitymm/s (r.m.s)
Zone boundary
ISO 10816-4 For Gas turbine driven sets
Recommended limits of vibration severity ISO 2373
A Single set of values, e.g. those applicable to the 132 to 225 mm shaft height, may be used if shown by experience to be required
ISO 1940
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