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#1680847 - 04/19/07 09:47 AM Blakesley Effect
Architecht Administrator Offline

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Registered: 01/25/02
Posts: 6302
Loc: Chicago area
Blatantly stolen from a post by TomB a member here, but I didn't want it to fade away as it seemed like an interesting defintion:


The Blakesley Effect is a term used to describe inefficient metal flow, opposite a clip on a coin, when the rim is formed and the subsequent imperfect or incomplete rim formed at that position after striking. -- TomB

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#4037540 - 05/26/10 01:06 PM Re: Blakesley Effect [Re: Architecht]
WoodenJefferson Offline

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Registered: 12/08/06
Posts: 21092
Loc: Fibonacci φ spiral
I might add to clarify this effect. When TomB quoted "opposite a clip on a coin" it means the effect will be more or less 180 degrees around the rim, from the clipped area.

It still means the same thing, but being "180 degrees out" paints a picture, which I sometimes need.
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