key trimming bit

[Greg Newell]

Dean,

                I had trouble with that too. I wonder if you have an upcut
or a downcut bit. They could have been mixed up in the bin. Did you try a
straight bit? I just do them by hand now since even if the chip out is cured
I still had the occasional key where the router bit cut a smidge too deep. I
don’t get that with a file.

 

Greg Newell

Greg's Piano Forté

www.gregspianoforte.com

216-226-3791 (office)

216-470-8634 (mobile)

 

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Dean May
Sent: Friday, March 14, 2008 11:07 AM
To: 'Pianotech List'
Subject: key trimming bit

 

Hi all

 

I am using a Spurlock style set up to trim my keytops and am having trouble
with the plastic chipping out on the notch cutting station. I am using a 1/2
inch spiral carbide up cut bit from McMaster Carr (27395A31). Is there a
better router bit I can be using here? 

 

Dean

Dean May             cell 812.239.3359 

PianoRebuilders.com   812.235.5272 

Terre Haute IN  47802

 

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