Piano Action Classification
While having their piano restored, sometimes our customers make a visit to our shop to see the progress and to see the piano restoration process first hand. People are often surprised to see how complicated the piano action is.
You can get a sense of how complicated the piano action is by looking at a list of parts. Each key on a typical grand piano has over 70 different parts!
Here is an example of a typical list of parts for each key on your piano:
For the dampers: damper block, damper molding, damper felt, damper wire, damper block set screw, damper lever, damper rod for treble and bass strings, lever spring, lever flange, spring cord, lever spoon.
For the hammers: Hammer butt heel, heel skin and stem, cushion felt, spring, spring rail, attaching screws, blocking felt, hook, shank, molding.
For the keys: key cloth, key frame back rail, key frame cross rail, frame balance rail, rail punchings, front rail pen, key, key front, key covering, key button.
Other parts: string, bracket bolt and knob, pickup finger guide rail, bracket and screw, front rail pin, wippen, action bracket, wippen flange, main action rail, hammer flange, regulating rail bracket, attaching screw, screw eye, rail, button, punching jack, flange, and screw. Back check, backcheck wire and felt, Bridle wire and strap.
If you would like to talk to a professional about piano restoration, repair and refinishing, please contact Michael Sweeney Piano Craftsman. You will get honest answers to your piano restoration questions.