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>> whatever you're grinding with also needs to have a standard state. Yes and no. There are techniques for grinding three rough surfaces into three flat surfa
by sandworm101 2y ago
>> whatever you're grinding with also needs to have a standard state.
Yes and no. There are techniques for grinding three rough surfaces into three flat surfaces without a flat starter.
- sandworm101 2y agohttps://ericweinhoffer.com/blog/2017/7/30/the-whitworth-three-plates-method https://ericweinhoffer.com/blog/2017/7/30/the-whitworth-thre...
- Terr_ 2y agoThe article suggests that the important features are nano-scale things, like the "grain" of the molecules that comprise the surface, versus whether the surface is concave/convex/flat on a larger scale. I wonder if portions of a thin ribbon of float glass could be useful, if the ribbon is consistently and continuously removed from the molten metal in a way that protects the bottom surface.