Piano Regulation

Regulation is the adjustment of the mechanical aspects of the pianos to compensate for the effects of wear, the compacting and setting of cloth, felt and buckskin, as well as dimensional changes in wood and wooden parts due to changes in humidity. Action, Trap work and Damper system are the three systems involved in regulation. Action is the mechanical part of the piano that transfers the motion of the fingers on the keys of the hammer that strike the string. It comprises around 9,000 parts which require adjustment to critical tolerance to be able to respond to a pianist's every command. Trap work is the assemblage of leaves and springs that connects the pedals to the action affecting sustain and dynamics. The Damper system is the mechanical part of the piano that stops the vibration of the string when the key is released and is controlled by the key and pedal systems.

REASONS FOR REGULATION

All the new pianos require regulation in their first year because settling and compacting of parts sometimes need adjustments. There are several factors to how often the piano needs regulation. The intensity and number of hours the instrument is played and also the climatic conditions are all determinants. The quality of the instrument itself can affect frequently of regulation. If a Piano is kept in a relatively consistent conditions optimally at a temperature of 68 degrees and 42 percent humidity, will require less adjustment. Regulation is required if the instrument displays a lack of sensitivity or a decreased dynamic ranges. Even if the keys are sticking or the touch is uneven then there is s need for regulation. However a sluggish action or deep grooves in the hammers indicate the need for reconditioning or repair.