PRÜFTECHNIK ROTALIGN Ultra iS - Appendix; Suggested Shaft Alignment Tolerances

Appendix
207
Appendix
Suggested shaft alignment tolerances
[RPM] metric [mm] imperial [mils]
Soft foot any 0.06 2.0
Short “flexible” couplings
Offset
Acceptable Excellent Acceptable Excellent
600 9.0 5.0
750 0.19 0.09
1500 0.09 0.06
1800 3.0 2.0
3000 0.06 0.03
3600 1.5 1.0
6000 0.03 0.02
7200 1.0 0.5
Angularity
(coupling gap difference per
100 mm or 10” diameter)
600 15.0 10.0
750 0.13 0.09
1500 0.07 0.05
1800 5.0 3.0
3000 0.04 0.03
3600 3.0 2.0
6000 0.03 0.02
7200 2.0 1.0
[continued]