Bedding the key frame

[Cy Shuster]

I believe some pianos (S&S?) have a slightly convex keyframe and slightly convex keybed, exactly to ensure solid contact all along when the keyblocks are screwed down.

--Cy--
shusterpiano.com
  ----- Original Message ----- 
  From: Joseph Garrett 
  To: pianotech 
  Sent: Wednesday, April 05, 2006 4:07 PM
  Subject: Bedding the key frame



  Quentin asked: "Yes there is a little knocking on the ends, but I cannot get a good frame regulation on the balance rail (with the knocking action) AND no knocking at all on the front rail. 
  Nevertheless, when I screw the 2 cheek blocks, there is no knocking at all.

  Then, what should I do?"
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