×
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

Micro-polish of INCONEL/CRES probes

Micro-polish of INCONEL/CRES probes

Micro-polish of INCONEL/CRES probes

(OP)
Does anyone have expertise with "Micro polishing" of CRES. The vendor says this is a proprietary process and will not disclose any details. These parts are very small inconel tubes braised to CRES 316L precision fittings. The process removes any micro burrs and also heat discoloration after the braising process, but also is causing undersize condition on 5/16 -32EF 2A threads.
 Thank you

RE: Micro-polish of INCONEL/CRES probes

I believe it is the same as electropolishing. Which is not a proprietary process.
We do this all the time with our parts and have not seen your problem. IMO, the vendor should work with you if they still want your business.

Chris
Sr. Mechanical Designer, CAD
SolidWorks 05 SP3.1 / PDMWorks 05
ctopher's home site (updated 06-21-05)

FAQ559-1100
FAQ559-716

RE: Micro-polish of INCONEL/CRES probes

Possibly, they are over-polishing.

Another possibility, particularly with small firms running at capacity is that their baths have not been switched out in a while, resulting in incorrect stoichiometry for optimum processing.

Similar effects occur with electrodeposition.

TTFN

RE: Micro-polish of INCONEL/CRES probes

I have to concur with the above post that the process is probably  electropolishing.  There are several variations incorporated into electropolishing that are held close to the vest by some firms.
The vendor should work with you on the problem regardless of his desire for secrecy.  He should have you sign a confidentiality or secrecy agreement so the problems can be worked out.

Here is site that has a lot of information on the electropolishing process.  This might help you in your discussions.

http://www.ableelectropolishing.com/

RE: Micro-polish of INCONEL/CRES probes

It could also be one of the newer combined chemical-mild abrasive type processes such as that offered by REM and Timken.

RE: Micro-polish of INCONEL/CRES probes

(OP)
I want to thank all of you for your information and websites, which I am now reviewing.

Regards

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