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Simple Machines - Cage Gear

ZombieCat
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Published on October 8, 2012

Description

The cage gear was used extensively throughout Da Vinci's drawings and this is a good hands-on model for students to interact with, and understand how it works. Be sure to make sure students realize that the cage gear is the driver and discuss with them why they might think this is the case.

Instructions

This is designed to be cut out of 5mm plywood with 3/8 dowel as the primary axle and the cage gear should use 3/16" dowels.
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nobody_home on February 21, 2013 said:

Do you think it would be good in PLA? Thanks!

stevecooley on October 8, 2012 said:

You did that microscope recently, too. Wow. I'm getting a laser next month, so this is really exciting to see. Thanks so much for posting this; it's really instructive!

Schorhr on October 8, 2012 said:

Nice looking gear!

My attempt failed due to the little scale and having no clue about gears in the first place; http://www.thingiverse.com/thi...
Is there a cage-gear-calculator  or a guide on them you could recommend?
Perhaps I'll try and se how small I could print it using your design :-)

ZombieCat on October 8, 2012 said:

The only rule of thumb is that the spacing between the holes should match between the cage and the post gears.  Otherwise you just have to pencil it out the old fashioned way... if someone knows of a program that has it built in, please let me know.

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Simple Machines - Cage Gear by ZombieCat is licensed under the Attribution - Non-Commercial - Creative Commons license.

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