Hi:

I have heard some refacers talk about using a "bias butt cut" to open 
small pieces so as not to compromise the tip too much.  Does anybody 
do this, and how is it done?

Thanks,

BK

This is very difficult to do.  This is done by removing material from 
the table of the mouthpiece at an angle, removing more at the butt end.  
It is difficult to do this without making the table convex.  Also, 
unless you want a longer facing, you have to remove enough material so 
that is shortens the facing, then blend the side rails back to the 
table, and arrive back at the same facing length.

 

The problem is, by the time you do all this, you are back to about the 
same tip opening as you were before.

 

If you will draw this out on paper, and play with a ruler and pencil a 
little, you will see what I mean.

 

Paul

bluesnote2000 wrote:

> Hi:
>
> I have heard some refacers talk about using a "bias butt cut" to open
> small pieces so as not to compromise the tip too much.  Does anybody
> do this, and how is it done?
>
> Thanks,
>
> BK
>
>
>
> Got a Mouthpiece Work question?  Send it to MouthpieceWork@yahoogroups.com
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--- Paul Coats <tenorman@...> wrote:
> This is very difficult to do.  This is done by
> removing material from 
> the table of the mouthpiece at an angle, removing
> more at the butt end.  
> It is difficult to do this without making the table
> convex.  Also, 
> unless you want a longer facing, you have to remove
> enough material so 
> that is shortens the facing, then blend the side
> rails back to the 
> table, and arrive back at the same facing length.
> 
>  
> 
> The problem is, by the time you do all this, you are
> back to about the 
> same tip opening as you were before.
> 
>  
> 
> If you will draw this out on paper, and play with a
> ruler and pencil a 
> little, you will see what I mean.
> 
>  
> 
> Paul
> 
> bluesnote2000 wrote:
> 
> > Hi:
> >
> > I have heard some refacers talk about using a
> "bias butt cut" to open
> > small pieces so as not to compromise the tip too
> much.  Does anybody
> > do this, and how is it done?
> >
> > Thanks,
> >
> > BK
> >
> >
> >
> > Got a Mouthpiece Work question?  Send it to
> MouthpieceWork@yahoogroups.com
> >
> > Visit the site at
> http://groups.yahoo.com/group/MouthpieceWork to see 
> > the Files, Photos and Bookmarks relating to
> Mouthpiece Work.
> >
> > To see and modify your groups, go to
> http://groups.yahoo.com/mygroups
> >
> >
> > Yahoo! Groups Sponsor
> > ADVERTISEMENT
> >
>
<http://rd.yahoo.com/SIGcvrqjsj/M&8585.4521611.5694062.1261774/D=egroupweb/S05032198:HM/EXP80614779/A50447/R=0/SIG45hvqf1/*http://ashnin.com/clk/muryutaitakenattogyo?YHE21611&yhad50447>
> 
> >
> >
> >
> >
>
------------------------------------------------------------------------
> > Yahoo! Groups Links
> >
> >     * To visit your group on the web, go to:
> >      
> http://groups.yahoo.com/group/MouthpieceWork/
> >        
> >     * To unsubscribe from this group, send an
> email to:
> >       MouthpieceWork-unsubscribe@yahoogroups.com
> >      
>
<mailto:MouthpieceWork-unsubscribe@yahoogroups.com?subject=Unsubscribe>
> >        
> >     * Your use of Yahoo! Groups is subject to the
> Yahoo! Terms of
> >       Service <http://docs.yahoo.com/info/terms/>.
> >
> >
> 
Hi:

thanks for the reply.  I have been trying to figure a
better way to do it, and so far have not had any luck.

BK

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This is relatively difficult to do.  If you do it right, you typically need
to take 2.5 X the material off the butt as compared to the tip.  So if you
want to open the tip .010", you need to take .025" off the butt AND not
make the table convex AND nail the pivot point at the facing length.  With
mistakes you end up taking more off or end up cutting the tip anyway.

The method does leave the tip relationships the same, but I find it not too
difficult to reshape them back close to where they were.  Who says they
were so great to begin with?  The butt cut also makes your ligature
loose... sometimes a lot.

Still, I use it on some pieces, like vintage Links.  Mostly if the tip and
side rail material is too thin to open them up much.  

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--- Keith Bradbury <kwbradbury@...> wrote:
> This is relatively difficult to do.  If you do it
> right, you typically need
> to take 2.5 X the material off the butt as compared
> to the tip.  So if you
> want to open the tip .010", you need to take .025"
> off the butt AND not
> make the table convex AND nail the pivot point at
> the facing length.  With
> mistakes you end up taking more off or end up
> cutting the tip anyway.
> 
> The method does leave the tip relationships the
> same, but I find it not too
> difficult to reshape them back close to where they
> were.  Who says they
> were so great to begin with?  The butt cut also
> makes your ligature
> loose... sometimes a lot.
> 
> Still, I use it on some pieces, like vintage Links. 
> Mostly if the tip and
> side rail material is too thin to open them up much.
>  
> 
> __________________________________
> Do you Yahoo!?
> Yahoo! Finance Tax Center - File online. File on
> time.
> http://taxes.yahoo.com/filing.html
> 
Hi:

Well how far up the butt end do you go?

Thanks for the info.

BK

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>Well how far up the butt end do you go?

The target is the facing length.  But you need to make the facing a little
shorter as you do it so you have something to work with for the final facing.

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--- Keith Bradbury <kwbradbury@...> wrote:
> >Well how far up the butt end do you go?
> 
> The target is the facing length.  But you need to
> make the facing a little
> shorter as you do it so you have something to work
> with for the final facing.
> 
> __________________________________
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> Yahoo! Finance Tax Center - File online. File on
> time.
> http://taxes.yahoo.com/filing.html
> 
Hi Keith:

Thanks a lot for the info.  Do you do refacing
professionally?

Take care,

BK

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>Thanks a lot for the info.  Do you do refacing professionally?

I do some work on the side.  2-3 pieces a week.

==2925 Crane St., Vineland, NJ 08361

My CD, Lamps and Mouthpieces at http://www.geocities.com/kwbradbury/

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