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See How Pianos Are Made - Take a Tour

Updated: Jul 22, 2023


Grand pianos are intricate musical instruments that require skilled craftsmanship and precision during their manufacturing process. The process of making a grand piano involves several steps and a combination of traditional woodworking techniques and modern technology. Here is a general overview of how grand pianos are made:

  1. Design and Planning: Before the actual construction begins, the piano manufacturer's design team creates detailed plans and specifications for the grand piano. This stage involves deciding on the size, shape, materials, and overall aesthetic of the instrument.

  2. Frame Construction: The foundation of a grand piano is its cast iron plate, also known as the harp. The plate is made by casting molten iron into a mold to create a strong and rigid frame that can withstand the tension of the strings. The plate is then machined to precise measurements.

  3. Wooden Structure: The wooden structure of the grand piano is typically made from various types of hardwood, such as maple, beech, or birch. This wooden framework includes the rim, the soundboard, and the keybed. Skilled craftsmen bend and shape the wooden parts to create the distinct curve of the grand piano.

  4. Soundboard: The soundboard is a critical component responsible for amplifying the vibrations of the strings and producing the rich sound of the piano. It is typically made of spruce, known for its resonant properties. The soundboard is carefully shaped and fitted into the piano's rim.

  5. Action Assembly: The action of a piano consists of thousands of moving parts that enable the hammers to strike the strings when the keys are pressed. Precision is essential during the assembly of the action to ensure optimal touch and responsiveness. The action is made up of wooden parts, felt, and metal components.

  6. Stringing: The strings of a grand piano are made from high-quality steel wire. Each string is carefully measured and attached to the iron plate at one end and wound around tuning pins at the other end. Stringing a piano involves adjusting the tension of each string to produce the correct pitch.

  7. Finishing: Once the structural components and mechanics are in place, the grand piano is sanded, polished, and finished with lacquer or other coatings to protect and enhance the wood's appearance. The finishing process gives the piano its final look and can be customized to match the manufacturer's brand or the customer's preferences.

  8. Regulation and Tuning: Before the piano is ready for sale or use, it undergoes a meticulous regulation process. This involves adjusting the action and hammers to ensure consistency and evenness in touch across all keys. After regulation, the piano is carefully tuned to ensure each note produces the correct pitch.

  9. Quality Control: Every piano undergoes thorough quality control to identify and rectify any issues in its construction or performance.

  10. Packaging and Delivery: Finally, the completed grand piano is carefully packaged to protect it during transport and delivered to dealers or customers around the world.

Making a grand piano is a labor-intensive and time-consuming process that requires expertise, attention to detail, and a passion for creating beautiful musical instruments. As technology advances, some elements of the production process have become more automated, but the essence of craftsmanship remains essential in creating high-quality grand pianos. View the video above to get a better perspective of how grand pianos are crafted.


Take a Tour of an American or Foreign Piano Factory - Interesting and Informative! See below for factory tours...


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