Use a ball-bearing ball. They have tightly controlled sphericity (millionths) and, with the point contact, can be "walked around" the anvils to check them for the same reading at various places.
Use a ball-bearing ball. They have tightly controlled sphericity (millionths) and, with the point contact, can be "walked around" the anvils to check them for the same reading at various places.
Last edited by mklotz; Apr 5, 2023 at 09:51 AM.
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Regards, Marv
Smart phones are to people what laser pointers are to cats
Homo sapiens is a goal, not a definition
Frank S (Apr 5, 2023), Toolmaker51 (Apr 6, 2023)
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