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Factory Tour

    We have put together a pictorial tour of some of the important steps in the restoration of a grand piano.  Just click the thumbnails to view an expanded view of the picture along with a short explanation.  If you have any questions or comments please drop us a line.

    Enjoy! 

 

 

 

 

 

 

 

 

 

 A few photos of the 1903 Henry Miller 6'6" Grand in Original Condition before disassembly

1903 Henry Miller...Origional Condition    1903 Henry Miller .....Origional Condition    Tuning pins completely through pin block

   Treble bridge..soundboard crack 

 

 

 

 

 

Taking measurements and plate location

Plate to Bass Bridge Location    Treble bridge to plate location    Measure stringing scale

 Plate Drilled for Location    Tuning pin is Driven into inner rim   Tuning pin locater  

 

 

The strings are cut, tuning pins extracted, bass strings removed, bolts removed, and the plate is pulled

Piano wire is cut   Tuning pins removed   Tuning pins removed

Bass strings removed   Nose bolts removed   Plate bolts removed

Cast iron plate hoisted out

 

 

The pin block is removed, and duplicated from a new plank of hard rock maple laminated pin block stock.

Pin Block Cut Out   Plate is truned upside down   Plate is cleaned   A paper pattern is made.

Pattern transferred to new pin block plank   Angle of flange measured   The block is cut   

The plate is chalked    The block is fit to plate   High points sanded   Tightly fit pin block

   Tuning pin holes are marked for drilling   Pin block is drilled   The block is lag screwd to the plate

 

The Top Stack of the Piano Action is separated from the Key Frame, and all of the keys are removed from the Key Frame.  Then the top stack, keys, and key frame are bead blasted clean.  The front and balance rail pins are polished, new back rail felt glued down, and the front and balance rail felt punchings are replaced.  In this action, the knuckles were replaced with German Renner knuckles, the same ones that are found on expensive, high quality German Grands.  The hammers will be replaced next.  

The keys are bead blasted     New back Rail Felt     1keys&keyframe3.jpg (676573 bytes)

Cross Section of keys and key frame      Action Before Bead Blasting      Action After Bead Blasting 

Action Before Bead Blasting     Action After Bead Balsting & New Knuckles    

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Craftsmen Piano Rebuilders

35 Robinson Avenue

PO Box 3292

North Attleboro, MA 02761

(508) 643-3291

www.craftsmenpiano.com

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