the piano deconstructed - christophersmit.com
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.
Casting Iron Piano Frames - Piano Price Point
Shown above is exciting process of pouring molten iron to form a piano frame. But before we get to that, let’s step back and take a look at how this method of sand casting works. To begin with, it is helpful to understand the basics process of casting. In its simplest form, casting starts with a pattern, a master template to be reproduced in metal.
The Cast Iron Piano Frame: A History – Mozart Project
2022年12月22日 · What Is The Cast Iron Frame On A Piano? A piano’s cast iron frame is its structural foundation, providing support for the strings, soundboard, and other wood and metal parts. The frame also helps to protect the piano from damage.
How Iron Piano Frames are Made - pitchperfecttuning
2016年10月24日 · 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.
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 …
NIHF Inductee Alpheus Babcock Invented the Cast Iron Piano Frame
The dominance of the American piano industry rested on a key innovation patented by piano builder Alpheus Babcock in 1825. Babcock was the first to develop a one-piece cast iron frame to hold piano strings under tension.
Cast Iron Plate - Chupp's Piano S
A carefully cast frame, this large piece of cast iron sits above the soundboard. Its purpose is to absorb the lion’s share of the over 40,000 lbs of tension produced from the hundreds of piano strings .
How Do They Make Cast Iron Frames in Pianos? - Piano Street
2016年10月1日 · Commonly called the frame, harp or plate, this iron mass in the piano withstands the 19+ tons of string tension. Read this month's blog on how they cast iron frames for pianos. https://pianopricepoint.com/casting-iron-piano-frames/
Alpheus Babcock's Cast-Iron Piano Frames ALPHEUS Babcock, an American pianoforte maker (1785-1842), is generally credited by pianoforte historians as the inventor of the cast-iron metal frame with hitch-pin plate in a single forging, the principle of which has been regarded as the basis for further develop-ment in pianoforte frame construction.
What is in a frame? (PIANO frame, that is) - Cunningham Piano
2016年4月22日 · The frame of any grand piano is normally made from gray cast iron. This material is dense, heavy, and quite strong. It needs to be because the frame offers tensile strength that allows a piano to resist the many tons of tension that the steel and copper wound strings create when pulled to full tension.