[Homeroast] Turning Bottomless Portafilter

Dennis Parham dparham_is at mac.com
Fri Aug 27 15:05:40 CDT 2010

hmm.... a lathe could make a fine grinder! lol clamp in some burs and some sort of funnel! ehhee


On Aug 25, 2010, at 1:52 AM, RaymanOwen at gmail.com wrote:

> One more thing-
> Take a good look at the 4-jaw chuck on the lathe. It weighs more than 75
> pounds, and all it does is hold the little brass porta-filter casting. The
> piece being machined is tiny compared to the 1-ton (+) machine , to permit
> precise machining operations. The pf (workpiece) could be the last one in
> existence, as far as the machinist is concerned.
> The 5-pound toys from Grinders-R-us are the worst evil that could be
> inflicted on coffee. The grounds look like Mars surface rubble and we wonder
> about flavor and stalling.
> Cheers, Mabuhay -RayO, aka Opa!
> Got Grinder?
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