No registration, no passwords; no pop-up ads -- just aloha, fun, & authoritative answers.
As an eBay Partner & Amazon Affiliate we receive compensation for qualifying purchases.
Home /
T.O.C.
FAQs
 
Good
Books
Ref.
Libr.
Advertise
Here
Help
Wanted
Current
Q&A's
Search 🔍
the Site
pub  Where the world gathers for
plating, anodizing, & finishing Q&As since 1989





-----

Keeping castings shiny after machining




Dear Sir,

We use 100 MT of various types of aluminium pressure die castings every month.We do shot blasting of castings before machining, using stainless steel shots.Castings are bright before machining and get dull and tarnished after machining.We request you to give solution for castings to be bright and clean even after machining.

With Regards,

GOVINDAN MOHAN, Manager Materials
- CHENNAI, Tamil Nadu, India
2003


Machined aluminum surfaces of any alloy should be fairly bright as soon as it comes off the machine. If not, are you allowing the part to get quite hot while machining? If not, I would look at the cutting fluid. Either the wrong one or not enough of it on the part. Finally, what are you cleaning the cutting fluid off of the part with, or are you just letting it dry on?

James Watts
- Navarre, Florida
2003




(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

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:

 
Jobshops
Capital
Equipment
Chemicals &
Consumables
Consult'g, Train'g
& Software


About/Contact  -  Privacy Policy  -  ©1995-2024 finishing.com, Pine Beach, New Jersey, USA  -  about "affil links"