×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Design Eccentricity for Slurry Pump?

Design Eccentricity for Slurry Pump?

Design Eccentricity for Slurry Pump?

(OP)
I am designing footings for a slurry pump. I want to find the load due to impeller eccentricity using the equation
     Fo=m.e.w^2 where
     m=impeller mass, e=eccentricity, w=angular speed in radians/sec

Pump Wt~ 8800kg, Speed ~550rpm = 57.6 rads/sec

Does anyone know typical values for "e" or where I can find them?

RE: Design Eccentricity for Slurry Pump?

Look at the radial tolerance stack on your drawings for the impeller relative to the bearings.

Failing that, less than 0.1 ", more than 0.001"

This assumes a very short overhang, obviously.

Cheers

Greg Locock

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.

RE: Design Eccentricity for Slurry Pump?

As Greg noted, ecc may increase due to shaft length and its deflection in bending.

BigInchworm-born in the trenches.
http://virtualpipeline.spaces.msn.com

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources