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Jigs for 
Keytops 
Duane McGuire 
February 24, 2011
First: 
Let's talk about safety! 
If it doesn't look safe to you, it's not safe for you. 
If you don't know what can go wr...
NNicicee loloookkiningg kkeeyyss,, hhuuhh??
Glass Bead 
Blast Booth
AAfftteerr bbeeaadd bblalassttiningg
BBeeffoorree AAfftteerr
Ivory Removal
Keytop 
Planing
Result: 
Uniform depth of cut 
Square edge at back 
of cut
The concept – drill press rotary cutter presented 
by Bill Spurlock PTJ March 1991
Duane's working diagram
Measuring Ivory Thickness 
0.9 mm
Plastic Keytop: 2.4mm 
We're planing the key down 1.5 mm
Jig Details
Key 
Front 
Preparation
Then a Miracle Occurs: 
New key tops are glued 
to the resurfaced keys.
Flush Trimming Setup
End Product
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
Piano Keytop Replacement
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Piano Keytop Replacement

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This shows my techniques for piaon key top replacement.

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Piano Keytop Replacement

  1. 1. Jigs for Keytops Duane McGuire February 24, 2011
  2. 2. First: Let's talk about safety! If it doesn't look safe to you, it's not safe for you. If you don't know what can go wrong. Stop. Think. Ask. Focus and attention: Where are your fingers? Where is the blade? As you gain experience, maintain awareness.
  3. 3. NNicicee loloookkiningg kkeeyyss,, hhuuhh??
  4. 4. Glass Bead Blast Booth
  5. 5. AAfftteerr bbeeaadd bblalassttiningg
  6. 6. BBeeffoorree AAfftteerr
  7. 7. Ivory Removal
  8. 8. Keytop Planing
  9. 9. Result: Uniform depth of cut Square edge at back of cut
  10. 10. The concept – drill press rotary cutter presented by Bill Spurlock PTJ March 1991
  11. 11. Duane's working diagram
  12. 12. Measuring Ivory Thickness 0.9 mm
  13. 13. Plastic Keytop: 2.4mm We're planing the key down 1.5 mm
  14. 14. Jig Details
  15. 15. Key Front Preparation
  16. 16. Then a Miracle Occurs: New key tops are glued to the resurfaced keys.
  17. 17. Flush Trimming Setup
  18. 18. End Product
  • BenjaminRogers19

    Oct. 18, 2017

This shows my techniques for piaon key top replacement.

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