tohenk2 wrote:Oh, I used the basket itself to make a perfect fit while sizing the base. Works just as well as callipers (maybe even better)
I found centering the thread to be a bit of a challenge. Sizing & centering the base & hole is easy, but the thread ... quite easy to tap it slightly off-center (I do not do this for a living, never had any formal training on a lathe!).
Thanks tohenk2, for pointing that out i'm quite worried that it will be off-center...
I've drawn a few plans..
The base size would be:
base diameter = Internal diameter measurement of basket (IMS B70 2t H26.5m Competizione) subtracted by 0.1mm
the thickness of the base would be 1/2 of the measured basket depth..
the tapping still remains to be an issue.. i will still be thinking about that..
Once i'm confident.. i'd get some help from a friend of mine to cut it on a lathe.. and drill a M8 hole dead center on the base..
It could be as complex or as simple as you want. It's the choice of the barista.