I printed a shell without a top or bottom to install plugs from both directions. Using two plugs meant I could adjust tension AND position to ensure the feedback mechanism would strike the spinner.
I made some final tweaks to the design, and after assembly, I ended up with a sealed unit that could not be disassembled without destroying the case and plug.
I had an idea to eliminate the axle holder, which added unnecessary size and caused clattering. I plan to use self-aligning springs on each end of the axle to reduce movement. These springs will be printable and tunable, and I will also design them to minimize side-to-side movement. The 3D Printed Axle Springs will have threaded tops for precise height adjustment.I set up the code and modeled the first piece. The outer shell will be smooth on the outside but fully threaded on the inside. I used Ryan Colyer's thread library.
I set up the code and modeled the first piece. The outer shell will be smooth on the outside but fully threaded on the inside. I used Ryan Colyer's thread library.
I drafted the magnet, bearings, and axle stuff. When I draft more components, it will be helpful to see these pieces next to each other.
I sketched the springs that will cushion the spinner at either end of the compass. I considered making the springs more versatile, like multiple layers but decided to try printing a set first.
The rest of the summary posts have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
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| Nearly complete(?) |
I made some final tweaks to the design, and after assembly, I ended up with a sealed unit that could not be disassembled without destroying the case and plug.
 |
| The final vertical chimney design |
I had an idea to eliminate the axle holder, which added unnecessary size and caused clattering. I plan to use self-aligning springs on each end of the axle to reduce movement. These springs will be printable and tunable, and I will also design them to minimize side-to-side movement. The 3D Printed Axle Springs will have threaded tops for precise height adjustment.I set up the code and modeled the first piece. The outer shell will be smooth on the outside but fully threaded on the inside. I used Ryan Colyer's thread library.
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| Back to the drawing board |
I set up the code and modeled the first piece. The outer shell will be smooth on the outside but fully threaded on the inside. I used Ryan Colyer's thread library.
 |
| Starting the code |
I drafted the magnet, bearings, and axle stuff. When I draft more components, it will be helpful to see these pieces next to each other.
 |
| Axle pins and axle in magenta, magnet and beads in turquoise |
I sketched the springs that will cushion the spinner at either end of the compass. I considered making the springs more versatile, like multiple layers but decided to try printing a set first.
 |
| Detailed plans for the axle spring holder |
The rest of the summary posts have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
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