how to measure flatness of coated metal
how to measure flatness of coated metal
(OP)
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
Thanks
APH





RE: how to measure flatness of coated metal
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RE: how to measure flatness of coated metal
RE: how to measure flatness of coated metal
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