Square Gears — Mechanical Movements 30
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Square gears following the diagram in "Five Hundred and Seven Mechanical Movements" number 30.
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Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Public Domain
Hello, I created Mechanism Number 30 in the book 507 Mechanical Movements by Henry T. Brown (1868) (however, mine have a 1:1 ratio), please check out this website that showcases the designs, they also include animations for some of the designs: http://507movements.com/ (I am in no way affiliated with this website). According to the website these gears were used in the Printing Press. Sadly I could not find any examples of these, I hope someone can send some if they can find some.
The Mechanism is square gears, I built the following this process, firstly I designed a mathematical approximation of a square in polar coordinates, I used r = 8(1-0.1(cos(4θ))), with this website: http://www.otvinta.com/noncircular.html.
Following this tutorial I inserted the gears into Fusion360 and then built a stand for the gears.
The way the gears are sent over creates the immediate flaw of the file not being the best for updating and changing around. That being said this is mostly an Educational post where a wacky gear is posted, it is definitely fun to play around with (see video below)
Due to the fact that I did not save my .GCode file, only the .Step, and .STL file is included below, I have not included the Fusion360 file as that modifications for the stand were quite simple and standard.
How to put together, one gear should be at 45° to the other
