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- The cast iron piano frame became popular in the 19th century and is still in use today. The frame of a piano is the foundation of its structural integrity and is made up of cast iron. The addition of metal to the piano gave the string design a significant boost in tension, resulting in a stronger resonance and increased power.
www.mozartproject.org/the-cast-iron-piano-frame-a-history/
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Dec 22, 2022 · An intricate cast iron frame sits above the soundboard and absorbs over 40,000 pounds of tension produced by hundreds of piano strings. Each manufacturer has their own metal composite for their piano plates, which they use.
The cast-iron frame, also called the plate or harp, is responsible for sustaining the massive tension of the strings. Before advances in metallurgy, the frame was made of wood, which would bend and warp under high string tension.
Oct 24, 2016 · What is it? Commonly called the frame, harp or plate, this iron mass in the piano withstands the 19+ tons of string tension. While iron reinforcement pieces were introduced into the piano by the year 1799, it wasn’t until 1825 that a full cast iron frame was patented by a man named Alpheus Babcock (The Piano: An Encyclopedia. Palmieri).
- Case. The case (or ‘body’) is the wooden housing of the piano. It’s also the thing that adds the most weight (which you’ll know all about if you’ve ever tried to move a piano).
- Fallboard / Key Lid. The fallboard (or key lid) is the hinged piece of wood that folds down to protect the keys when the piano isn’t in use.
- Lid and Outer Rim. The lid, also called the top, is a section of wood (typically hardwood) used to protect the playing mechanism inside the piano It’s held open by a wooden stick called a lid prop, and often you get a smaller stick called a half-prop, used to keep the lid partially raised.
- Keyboard. Let’s start with the keyboard, perhaps the most obvious part of a piano, and the place where the pianist comes into touch with the piano (as well as the pedals, of course).
The cast-iron plate (Figure 31) is installed over the soundboard to suspend the strings, which are stretched at high tension. The modern plate covers the entire piano and greatly increases its structural stability. It is fastened to the rim and to the pinblock, and does not touch the soundboard. The plate commonly rests on dowels,
The cast iron plate is the single heaviest piece in a piano. Traditionally painted in a golden bronze color, it is one of the most visually striking components of any grand piano. The plate’s function goes beyond the cosmetic.
Mar 8, 2010 · The piano plate, sometimes called the frame or harp, is typically made from cast iron due to its high compression strength. The strings of the piano are attached to the plate in conjunction with the wooden frame and soundboard, and which the tension of the strings are supported.
