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Damage espresso grinder burrs by adjusting them too close?

Postby ultrabean on Thu Feb 22, 2007 1:41 am

I normally use my Rocky for espresso but needed to grind for drip the other day. Next morning when I was re-adjusting back to espresso grind I mistakenly adjusted it below the zero ...down to about -6 (that's minus 6). Does anyone know if it's possible to damage the burrs by adjusting them too close? It seems to be still grinding nicely but I thought I'd ask just in case.

Patrick
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Postby Kristi on Thu Feb 22, 2007 3:08 am

not unless you leave them there and grind away for a minute. The noise would drive you crazy!
Kris
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Postby HB on Thu Feb 22, 2007 8:43 am

The sharp cutting edges should not be damaged because they are below the burrs' parallel faces:

Image
From Grinder burr types explained
Dan Kehn
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Postby Kristi on Thu Feb 22, 2007 2:25 pm

Nice pic! and VERY nice thread link! :D
Kris
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