Radius Grinding Attachment

I am currently restoring a Clarkson mk1 Radius Grinding Attachment,

have almost all of the parts but am missing the complete workholdin spindle, I do have the aluminium block bored out to 1.5" diameter, i is all the spindle and collet holder parts which fit that block that need. Does anyone have a spare to sell,(unlikely !!) or is it possible fo someone to send me some photos and a thumbnail sketch with the mai dimensions of one.

I must say that I do not think this unit is designed to be operate correctly, the instructions say that you must move the machine table i order to put a cut on, surely by doing that you will change the radiu of cut as the attachment moves nearer the wheel.

I would have thought the only way to keep adding more cut is to advanc the cutter forwards in its holder along its own axis, that way th centre of rotation always stays the same distance from the grindin wheel.

I would welcome comments from our experts on this one as I may end u redesigning the work holder to allow this.

Phil Procte

-- pgp00

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