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Arduino Book Case (Tank Tracks Mod)

by jasonwelsh, published

Arduino Book Case (Tank Tracks Mod) by jasonwelsh Dec 11, 2012
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Summary

Imagine taking a case, programing your Arduino for awhile with bits of code. Saying to yourself one day "I want to play with servos" Take your case print out the tank tread mod and away you go. That is the goal for my project. Easy upgrades... constant change without regrets. So when a pair of tank treads show up on thingiverse I was on that with a passion.

These treads are a great design... They needed to be upgraded a little to fit my design but nothing that could not be modeled in blender.

Wheels now have 2mm holes for the servo wheel plate to connect to the wheels.

Servos are screwed down, no more rubber band.

idler is still a good idea.

Lost the Scad because well the only thing that might change is the servo size but I tried to use a very common standard size in the build. Links are provided in the instructions to everything you need for this mod.

Instructions

First Print http://www.thingiverse.com/thing:36897 and assemble

Then aquire the following hardware.

4 2mmx20mm
4 3mmx25mm
12 3mmx12mm
4 #6 washers
12 m3 nuts
1 21 mm servo wheel (comes with servo)
2 https://www.sparkfun.com/products/9347?

When printing the tank tread you should follow the directions located here.
http://www.thingiverse.com/thing:37104

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These tracks are great for lighter applications but while testing I broke quite a lot of them.

Now I use these http://www.thingiverse.com/thing:39253http://www.thingiverse.com/thi...

Universal Servo Driven Tank Tracks

I'll need to redesign the tracks a bit, after playing with this today I have had 2 flat tires. I think its the weight of it that is breaking the bands.

Found a cool trick!

Silicone sealant + tank treads = traction on smooth surfaces!

Images added for your amusement.

 

Can anybody guide me as to how to print the treads using MakerWare & the Replicator 2?

I try with 0 infill (the only relevant option I can find) but it still prints the bottom solid...

(I've been trying to use replicatorG but all I get is a hot mess - again I don't see a top/bottom off option, if anybody has advice on how to build using rG with the Replicator2, that would also be excellent!)

I've read everything I can find on this...

Type your comment here
.

open this file you'll find a ton of stuff you can edit .  Path for it is above

Couple questions:
The file you reference is for ABS, but the R2 uses PLA - I don't know if you can print PLA using the ABS profile?

If I can use that profile, I still don't see these settings/options:

Bottom/Top thickness = 0mm
Wall thickness = 0.5mm
Solid infill top = OFF
Joris the outer edge = ON
The only thing I see is infill % which is already exposed in the menus...

Still struggling with printing using Cura, which seems to be the only known option (at least that anybody will share).

 PLA is way stiff and brittle.   Not sure PLA would be a good material for flexible tracks.

And ABS and PLA use the same fill file but not the same temp file.

So the rep 2 does not do ABS?  Gees isn't that machine like 2k?  It should print human DNA for that price ;) 

I have used PLA and works fine, still need to try printing the tracks in ABS to get a comparison, though :)

Thanks! I'll take a look.  I want to build this thing!

updated the front axle "Track holder book.stl" - now has more security. 

Wow! This is great, I love the idea. Will print one as soon as I can :)

Such a fast derivative too :P Thanks!

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