Alfa Laval ALS - Shaft Alignment

6Technicaldata
Alldimenstionsinmmunlessotherwisestated.
6.7Shaftalignment
Shaft Shaft
Shaft
to to
to
be be
be
aligned aligned
aligned
in in
in
bearing bearing
bearing
frame frame
frame
or or
or
in in
in
gear gear
gear
motor motor
motor
. .
.
RPM RPM
RPM
up up
up
to: to:
to:
50 50
50
100 100
100
500 500
500
1000 1000
1000
2800 2800
2800
U(maxradialtolerance,ALS/ALB)
0.40.30.20.10.05
Afterpropellershasbeenweldedontotheshaftand/ortwoshaftpartshasbeenweldedtogether-theshaftmustbe
aligned.IftheshaftshasbeenweldedaccordingtoAlfaLavalsrecommendationsshownbelow–therequiredalignmentwill
beverylittleastheamountofintroducedheattotheshaftisminimizedandduetothefactthatallshaftshasbeenaligned
beforedeliveryfromAlfaLaval.
“All-weldshaftconnectionsandpropellerstoshaftwithoneweldingseamatatime,coolwithairandcontinuewithone
weldinguntilweldingisaccordingtoillustration.Useweldingprocedureswhichintroduceaslessheat,tensionandbending
totheshaftaspossible.”
Requir Requir
Requir
ed ed
ed
tool: tool:
tool:
1.Agas-weldingtorchsuppliedwithamixtureofAcetyleneandOxygengas.
2.Adialindicator.
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