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<p>[QUOTE="GDJMSP, post: 265302, member: 112"]Think about it for a second, on a die the design is incuse and in this case there is a right angle in the design. So after the die has been used repeatedly in that corner the metal begins to get stretched out. Eventually it cracks.</p><p><br /></p><p>Arcs, circles and softer design edges can also cause cracks, but not as quickly as a right angle can.</p><p><br /></p><p>It's that way with most things in nature. Say you pour a concrete slab around a square column. The very first place the concrete is going to crack is off one of the corners of that column. Nature doesn't like right angles <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" /></p><p><br /></p><p>By the way, th emint could care less about small die cracks on business strike coins. Yeah they will retire the die if it gets bad, but only then. They want to get as much use out of each die as they can.[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 265302, member: 112"]Think about it for a second, on a die the design is incuse and in this case there is a right angle in the design. So after the die has been used repeatedly in that corner the metal begins to get stretched out. Eventually it cracks. Arcs, circles and softer design edges can also cause cracks, but not as quickly as a right angle can. It's that way with most things in nature. Say you pour a concrete slab around a square column. The very first place the concrete is going to crack is off one of the corners of that column. Nature doesn't like right angles ;) By the way, th emint could care less about small die cracks on business strike coins. Yeah they will retire the die if it gets bad, but only then. They want to get as much use out of each die as they can.[/QUOTE]
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