Re: Tangential/Diamond tool holders.

On May 29, 9:29 am, Youra <youra.turcenin...@xxxxxxxxx> wrote:
Hi all.

Stumbled across these as the result of another thread on turning tools
generally - for example this sort of thing:

http://www.gadgetbuilder.com/ToolHolders.html#Tangent
    and (commercial site)http://www.eccentricengineering.com.au/

To me, these seem like rather a good idea - in particular sharpening
HSS bits for general purpose turning becomes a breeze (in theory at
least) but lack of general adoption makes me think that there's
something I've missed. One thing that comes to mind is unless you have
a couple of sharpening, getting anything other than a single angle of
top-rake is difficult.

Are there any opinions from the group?

Thanks,

Youra.

Hi youra,
I take it you did not see one demonstrated at last years Model
Engineering Exhibition at Ascot. They had one on the SMEE stand, They
seem to take off either dust or 4mm or any where in between, on mild
steel using a Myford.. Beauty seems to be they are SO simple to
sharpen, and easily adjusted to centre hieght, no more packing stips.
Having seen one I was interested and made one, then did some research,
they are certainly not new, earliest reference I could find was 1885.
They are also used in old style roller boxes.
Make one and be a convert.
T.W.
.

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