Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

how to measure flatness of coated metal

Status
Not open for further replies.
APH

APH

Mechanical
Joined
Sep 7, 2004
Messages
79
Location
US
What is the cheapest and fastest way to find out if my coated surface is flat. The plate is coated all around, so I can't use one side for reference.

Thanks
APH
 
Sort by date Sort by votes
The surface of the coating or of the substrate?

TTFN
 
Upvote 0 Downvote
Just measure the coat thikness using a coat gage (Transcat.com or davis instruments)
 
Upvote 0 Downvote
How flat?

Not too flat - Put a thin coat of liquid on it like water on a flat roof.

Pretty flat (0.001") - like a saw blade - use a straight edge and a light source behind it

Really flat - reflected laser light

 
Upvote 0 Downvote
Status
Not open for further replies.

Similar threads

Justice100
  • Locked
  • Question Question
Big Valve Small valve - how to size the small valve
Replies
6
Views
1K
georgeverghese
georgeverghese
kdv1988
  • Locked
  • Question Question
How do I convert Pulse Output from a flow sensor to RS485 / 4-20mA?
Replies
6
Views
2K
danw2
danw2
ArsalanKhan
  • Locked
  • Question Question
Differences in the measured volume of two Ultrasonic flow meters installed approx. ~ 2 KM aparts.
Replies
8
Views
659
hacksaw
hacksaw
ali.kh
  • Locked
  • Question Question
choosing right pressure regulator valve of samson products
Replies
4
Views
399
ali.kh
ali.kh
OpticControl
  • Locked
  • Question Question
Usage of digital valve controller in lieu of SOV
Replies
5
Views
655
bcd
bcd

Part and Inventory Search

Sponsor

Back
Top