finishing.com -- The Home Page of the Finishing Industry

-----

What kind of coating increases OD and is abrasion resistant

increases O.D. and is highly resistant to abrasion?
thanks for your time.

Craig Perry
student - Fiskeville, RI, U.S.A.
July 16, 2009

Hi, Craig. Please try to describe your situation rather than posting in abstract terms. Virtually any plating will increase the OD. Nickel plating or hard chrome plating are probably the most common procedures for building up worn ODs.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
July 17, 2009

I have a piston and cylinder with excess play.
I am looking to increase the o.d. of the piston by .004" or .005".
the coating must be wear resistant.
I am currently fabricating shims of polycarbonate and fastening them with Loctite 380 glue and 770 primer, which is working but is time consuming.

Craig Perry
- Rhode Island
July 29, 2009

I would use Electroless nickel and plate only the piston. A good plater can come fairly close to the required dimension and you can buff a tiny bit of it off if it is minorly too big. Otherwise, it is a grind operation. I would not use chrome at anything less than 0.003 per side and it will require grinding.

James Watts
- Navarre, Florida
July 30, 2009

No dead threads! If this page isn't already on the Hotline your Q, A, or Comment will move it there.

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: