[CAUT] toothing blade for ribbing etc

[Erwinspiano@aol.com]

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In a message dated 9/5/2004 9:31:33 AM Pacific Standard Time,  
davidlovepianos@comcast.net writes:
        Hi  David
   WIth the grain directions on the rib to  soundboard joint being opposite 
one another. I would think this wold be a  help. This is a light toothing. i'm 
speaking of as the original ribbing  had. I hope I didn't give the wrong 
impression.
 Sanding doesn't give the same grip of rib to board but  point well taken.
   DAle

How about a bit of light sanding.  Excessive toothing won't actually  help 
with glue adhesion or strengthen the joint.  The best glue joints  have only a 
few microns of glue in the joint.  Excessive toothing can  increase the 
thickness of the glue in the joint to the point that  it actually loses strength. 
David Love 

--------------  Original message -------------- 
List 
I was helping a friend learn bridge work ( Fenton Murray)  & we got to 
talking about how to put the tooth or the lines one often  sees in two wooden parts 
joined together. This tooth gives a better glue  adhesion. Any way he found a 
toothing blade for my nielsen plane. So far I  find hand holding it & using 
like a scraper works pretty well to put a  tooth on the backs of soft wood 
ribs.Probaly isn't good for the blade but  .....the toothing has incidentally has 
reduced the slidin around the ribs  want to do when pressin them on the board.
This toothing business isalso good for bridge caps &  bodies before joining. 
Good for a host of other  applications you all are probaly thinking about.
Blessings
Dale




 

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