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Re: VEXPro 2014 Product Initial Impressions
Quote:
Originally Posted by magnets
You're right about the concentricity. I was going to write about something else, but totally forgot to add it. The GD&T concentricity (average or median location of points on circle, I forget which one) is useful for shafts, as at high speeds vibration happens. We've only seen this being a problem when reusing custom gearbox shafts in high speed applications.
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Concentricity is the median position of all the points on a cylinder, with respect to an axis. It's extremely hard to properly establish. Total runout is almost always a better callout.
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