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3 Ways to Find Center with the Spindle OFF

We've shown dozens of ways to find center in a mill over the years. These are some of the most common. Some of the methods are more accurate than others, and some are downright dangerous. Something to keep in mind when we make videos like this is we aren't endorsing a method, but teaching overall principles. Good and bad, accurate and not so much. When it comes to finding the center in a manual mill, the Edge finder is the clear winner. An indicator mounted in the spindle is a good final check that allows extreme precision. On a CNC mill, we just use our Renishaw probes for obvious reasons.