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Secondly, after reading through most of the active posts here, I have to admit that I appear to be the only member of this forum without a milling machine.
Thanks to everyone for your kind words. Another hint I have discovered for anyone wanting to try this - some of these weights, probably the larger ones, are not cast iron but plastic coated concrete!!! Now I am no expert, but I doubt that any of you could do this with one of those. Ian.
I may be wrong in this, and someone will correct me if so, but I think the trick to machining cast iron is to make the initial cut as deep as the lathe will permit (within limits of course) and go right in under the hard skin in one pass. It sounds brutal but I think that is the way. Maybe grinding a little from an edge to give somewhere for the tool to enter first.Ian.ps Nice stand, Baron.