×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

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!

*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

lubricant to increase PV value of Aluminum bronze

lubricant to increase PV value of Aluminum bronze

lubricant to increase PV value of Aluminum bronze

(OP)
We are trying to come up with a solution to a bushing problem.  While reviewing a bushing catalog I found that they rate there materials based on the PV values.  In the book they state that PV values can be increased by addition of the correct lubricants.  I'm also interested in possibly using something that is self lubricating.

I need something that will withstand a Velocity of V=210 fpm, P= 2500 psi (force that pin puts on projected area of bushing), and a pv value around 450,000.

Any ideas?
Thanks,
Schroyer   

RE: lubricant to increase PV value of Aluminum bronze

You will encounter several problems trying to solve your problem. Standard oil pressure lubrication may work depending on application. The biggest concern I have is point loading from deflection of the parts if you have a projected area pressure of 2500 psi. If your P is 2500 and V is 210 the P/V is 525,000. This should be a hydrodynamic bearing with cooling of the oil lubricant.
Good luck.

RE: lubricant to increase PV value of Aluminum bronze

Ed Danzer is right on the money.

RE: lubricant to increase PV value of Aluminum bronze

I third that.  525,000 ain't gonna happen, no matter what the advertisement says.  Maybe if you have an extremely low duty cycle.

It will certianly never happen with a continuous duty cycle and a self lubricating bearing.  At least not in my experience.  Self lubricating bearings always work better with lubrication.  If you find something that works please let us know!

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! Already a Member? Login



News


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close