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Re: Padding Woes

Author: Chris P
Date: 2010-07-15 23:03

The bevel is the conical countersunk area surrounding the tonehole. For the inside, another cutter or hand held tool may have been used to create an internal bevel to make the crown of the bedplace sharp.

You can get a countersinking tool with multiple cutting edges from a good craft or tool shop to do this (in a variety of shapes from spherical to parabolic to a straight taper) as it will clear the remaining superglue from the inside edge once the bedplace crown has been 'topped' with the levelling tool.

If you want to make a good tonehole topper (levelling tool), you can make pilots that screw into the centre to make sure it locates well while levelling by hand. I've made one for working on the small soprano sax toneholes at the top which is in brass (faced with emery cloth) with a hole drilled in the centre into which is screwed a variety of pilots depending on the tonehole diameter to prevent the tonehole topper sliding off centre when levelling the tonehole. On wooden instruments, use 600 or 800 grit emery paper to face the levelling tool with.

Former oboe finisher
Howarth of London
1998 - 2010
The opinions I express are my own.

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Padding Woes new

stebinus2

2010-07-15 17:23