Anyone tried a thin slate armboard..?

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I've not found it difficult to work at all - easy to drill (no hammer action using a carbide drill bit), and cut (using an old hacksaw blade). You can easily lap smooth flat surfaces on it using wet and dry sandpaper too - a quick wax provides protection from delamination, as does using washers to spread the clamping load of the bolts.

I've also found it to be acoustically fairly inert compared to grp and the like..

I'll be mounting a Mission 774 arm on a garrard 401 plinth - the 774 only has short mounting bolts, and I'd rather use a small piece of slate appropriately drilled as a mount than some PCB, or MDF (I have around 6mm to play with), especially as I dont have access to a machine shop for a sturdy metal mount...

Suggestions please..




Owen
 
Hi,

if its an interface part to a plinth its not really an armboard.

Should glue onto the plinth using PVA wood glue.

I'd also use PVA as a gasket to the arm mounting parts.

Should be easy to get a nice finish.

Though I would say the ideal plate should have a hardness and
density somewhere between the arm mounting material and the
plinth material, maybe that slate does fulfil this criteria.

🙂 /sreten.
 
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