Stupid EGO batteries

[barrysuperhawk]

Ok, I have been trying to make a bracket to carry an EGO 56v battery for my for longer than I want to admit, and I have failed utterly thus far. I have almost a dozen failures, ones that look right, but are off in some critical dimension, and thus don't fit. I have tried 2 different stl files, and varied the size based on the instructions, but no luck, when I get one dimension to fit, another is off. I have chargers that I can sacrifice, and I could alternatively buy a weed whacker and sacrifice it, but neither of those are really good options.

So, Instead of continuing to beat my head against this particular wall, I figured that I would ask here. Has anyone already created a 3d printable file for a EGO 56v battery, with provisions for the power connector and the factory style battery latch?
If not, I would like some help. My biggest hurdle at the moment seems to be when I open the .stl files that I have, either the file conversion or trying to modify them goes awry. I don't have the original files, just what I could download from thingiverse.

I have downloaded freecad, but other than screwing up some .stl files, I haven't done anything useful. Help?

 

[Teh Stork]

Test print a 1x1x1 cube on your printer. Measure the precision of your printer.

If that isnt the reason why it wont fit: do some CAD Tutorials so you can make the bracket your self

 

[amberwolf]

have you tried the stuff over in this thread?
https://endless-sphere.com/forums/viewtopic.php?f=14&t=93563
specifically checking with alan b via this post
https://endless-sphere.com/forums/viewtopic.php?f=14&t=93563&p=1369078&hilit=stl#p1369078

or this one
https://endless-sphere.com/forums/viewtopic.php?f=14&t=93563&hilit=stl&start=75#p1503970

or
https://endless-sphere.com/forums/viewtopic.php?f=14&t=93563&hilit=stl&start=50#p1406538


if you have, and those don't work on yours, then i would definitely do the test teh stork suggests.

 

[barrysuperhawk]

Ok, I am pretty sure my problems are linked in some way to my inexperience with Cura and Fusion 360. I have since stopped trying to learn Fusion 360 and switched to FreeCAD but I havent had much of a chance to do anything beyond install it and download some videos. The problem is that when I D/L .STL files and open them, they open all funky and selecting the part I want to change, well, I am bad at cad. I had tried to start learning Fusion 360 - but then came their licensing money grab, so now I am starting over learning FreeCad. I don't care how many youtube videos you can watch, learning CAD is harder than a teenager on prom night.

I started out with the onewheel design https://www.thingiverse.com/thing:2949738 and after failing many times to flatten the back, I gave up and tried to print it as is, figuring I could sand it if nothing else. Thats when I started getting "bad" prints. First I printed too fast (coarse), then 100% but forgot the infil, then 100% and 40% infil, just a hair too wide, then 99% with 40%, narrow enough but the slides are now too small, and so it went. When I realized I had burned an entire spool just on this project, (with each print taking 20+ hours before I found out it was wrong too), I got discouraged and gave up.

As this is going on, I should mention that 100% of the rest of this build has been borked up from the start, I guess that is just 100%. NOTHING has fit, nothing works like its supposed to, I bought the parts back the beginning of 2018 https://endless-sphere.com/forums/viewtopic.php?f=3&t=81253#p1378161, so here it is going on 2+ years fighting with this (and losing). Since that time, I have even had EGO deny a warranty claim because I bought am item on clearance and the cashier did not properly enter the serials on the receipt, and then bought more EGO stuff anyway.

I am normally a handy person and just taught myself to TIG weld by building two MOVE bumpers for my truck, but this project has flummoxed my every attempt thus far. Currently I am more stubborn than discouraged, but when I find myself trying to figure out how to weld a steel hose clamp to an aluminum cable guide I realized there is a problem. So, I will look at the thread(s) posted above, and hopefully be re-energized to solve these problems and get back on the road. Sorry for venting, I don't even like myself when I whine.

 

[amberwolf]

As this is going on, I should mention that 100% of the rest of this build has been borked up from the start, I guess that is just 100%. NOTHING has fit, nothing works like its supposed to, I bought the parts back the beginning of 2018 https://endless-sphere.com/forums/viewtopic.php?f=3&t=81253#p1378161, so here it is going on 2+ years fighting with this (and losing). Since that time, I have even had EGO deny a warranty claim because I bought am item on clearance and the cashier did not properly enter the serials on the receipt, and then bought more EGO stuff anyway.

I am normally a handy person and just taught myself to TIG weld by building two MOVE bumpers for my truck, but this project has flummoxed my every attempt thus far. Currently I am more stubborn than discouraged, but when I find myself trying to figure out how to weld a steel hose clamp to an aluminum cable guide I realized there is a problem. So, I will look at the thread(s) posted above, and hopefully be re-energized to solve these problems and get back on the road. Sorry for venting, I don't even like myself when I whine.

don't worry, you have plenty of company...none of my projects ever end up the way i start them, and very litle goes the way it was planned, or even correctly. if it does work right the first time, ti's pretty certain to break sometime soon afterward.

 

[barrysuperhawk]

So, there has been progress.
I downloaded and printed Alanb's design and printed it.
https://www.thingiverse.com/thing:3916164

I printed it on a JGAurora A5, using cura to slice, in Esun PLA+. I used the "fine" settings and it took about 8 hours.

Upon completion, I test fit it to a battery, and it is tiiiiight. In fact, it slid in about 1/2 way and seemed like if I pushed it any more it was going to stick. Upon removal, it actually filed off some green plastic from the battery, inside the grooves. This is what I was dealing with before. So either I have 4 undersized batteries, or my printer prints oversized.

So, at this point, I think that I will just fix the print that I have with a file and sandpaper, and move on.

I think that I am better off starting a new thread for my next question.

 

[barrysuperhawk]

Small update, I open filing on my printed mounts for most of the weekend and I have determined that if I take off as much as I need to I'm going to be all the way into the infill. Now I'm back to wondering if it's a problem with my printer because the width is fine it's a height is just wrong.