CNC machine for making music

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Since long before recorded history began, people have made music. From something as simple as banging rocks together to an endeavor as complex as performing an opera, people have always had a fascination with music as a medium of storytelling and a form of entertainment and we likely always will. In modern times people who think of music generally think of instruments. Having access to a CNC machine allows anyone to make a musical instrument of their very own for all musical entertainment purposes. But music is not limited to traditional instruments alone. Anyone who has seen the theatre performance Stomp or similar shows knows that even everyday objects can be used to make music. While a CNC machine is not an everyday object they too can be used to make music, in a more literal sense than machining an instrument.

Making guitar with cnc machine

Making guitar with cnc machine

Most instruments are made from either metal or wood, which just so happen to be two of the most common materials used by hobbyists for their at-home CNC machining projects. One of the most popular instruments that hobbyists seem to go with is the guitar. There are dozens of different types of guitar designs that you can choose from. Many guides exist on the Internet for making a guitar with a CNC machine. While the general process is primarily the same for most guitars it will be the customization process that is the heart of this project. You may be able to find files and just make the guitar straight away from those but you also have customization options. This guitar can look however you want it to look like. Maybe there is a guitar you like but that you wish was a bit different, allowing you to use that guitar as a blueprint and tweak the design to fit your own tastes. Or maybe you want to be really creative and design something completely from scratch to fit your own mental image of the perfect guitar. This same principle applies to most instruments, depending on their level of popularity. You are more likely to find help and support videos for more commonplace instruments, like a violin, than for rarer or larger items like a cello. Those of you who work with metal can also pursue this project by making saxophones, trumpets or other instruments constructed from metals. Regardless of what type of materials you are using you do not have to create an entire instrument either. If you already have a ready instrument you could make new individual parts to replace, repair or upgrade various components of those items.

CNC machine for making guitar

CNC machine for making guitar

Besides producing instruments to make music, CNC machines can be used to make music themselves. The key to this process is to figure out a combination of feed rate and distance along an axis that will allow the stepper motor to spin at a frequency that mimics a musical note. With a bit of tinkering you can produce chords to replicate songs or to even entirely new tunes of your own. A more in-depth explanation of this process, as well as several musical examples based on popular video game soundtracks, can be found at http://tim.cexx.org/?p=633. Another example (https://www.youtube.com/watch?v=jAWF-qhh4pQ) shows a synchronous motor that has been set up to play the song “The Imperial March” from the film “Star Wars Episode V: The Empire Strikes Back”. In the first example MIDI (mid2cnc) script is use to generate these musical results. While the sounds you generate may not be as spot on as an orchestra directed by John Williams it can be very fun to get an additional use out of your machine while getting to do something a bit different with it.


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