McLube for plate flange glassing

Jon Page jonpage@comcast.net
Thu, 08 Apr 2004 00:02:29 -0400


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 >Do you find that the chalk by itself is adequate protection?

What would stick through a layer of chalk? Granted, wax paper mic's at .002"
but a dusting of chalk is negligible and doesn't need to be held in place.

When I'm seeking the ultimate thrill of full contact, beyond the
laborious fit with chalk; MarineTex paste epoxy applied in a
thin bead spreads out and socks it home; and doesn't stick:
'set it and forget it'. <g>

After the block is clamped and the epoxy set, drill the screw
holes (tapered bit for wood screws) and install the screws.
Then center punch the pin holes for drilling on the drill press.

Once the block has been removed, drill out the plate webbing holes
at an angle (same size or 1/64" larger ((depending)) than original and
at the same angle or greater than the pin angle so the bottom of the
plate hole is well away from the pin. (Especially good to do when
repinning with larger pins, keeping the old block and removing the plate)
Then refinish the plate, if needed/warranted.

Chalk is better than 444, fill pores, dusts off. Seal with shellac.


Regards,

Jon Page, piano technician
Harwich Port, Cape Cod, Mass.
mailto:jonpage@comcast.net
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