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Sheet Metal Brake and 3d Printer.
Joules:
Simon, cast your eye over this one at some point.
https://openbuilds.com/builds/core-xy-cube.3536/
Not keen on the wheels running on extrusion, but the cheap eBay rails could be a good substitute. An interesting starter that could have a fabricated steel shell.
Look up some YouTube reviews for that before committing (Anycubic Kossel). Build the hotend, buy the nozzles.
S. Heslop:
I had a look at those openbuild rails. They're an interesting idea but yeah I wasn't super psyched about them either. And not very competitive in price against other kinds of guides. Not for relatively short spans at least. Was considering making my own wheels and even ordered a few of the cheapest bearings I could find to try them out. They were incredibly tight and hard to turn.
There's a place nearby in stockton on tees, which isn't far from where I usually buy metal, called Valuframe that sells the regular aluminium profile. It's a good deal cheaper than the V slot stuff.
Also FINALLY. 64 bits this time.
That has to be the worst time i've ever had installing an operating system. I installed Windows98 on an old 90s laptop last year and that was fairly painless with easy to find drivers. I even ran pirated XP for years and that was so easy to install I was doing reformats twice a year just to keep the boot times fast.
Windows 7 used to be great...
S. Heslop:
I found this way tricker to produce than it should've been, since it's just a bolted box. Spent a while ditching folded sheet metal ideas until I was left with just extrusions. Not really figured the gantry out but there's plenty of coreXY stuff to look at to get ideas from.
WeldingRod:
A good trick: drill through your extensions and tap the center hole. Soooo much more rigid than the standard tinker toy bits. Corner blocks with through bolts are better than angle bits also. This is based on actual use/comparison, BTW.
Also, I suggest some double/triple wide beams on the bottom to get a rigid base. If you do this, the top connections are much less ctitical.
Sent from my SAMSUNG-SM-G891A using Tapatalk
S. Heslop:
--- Quote from: WeldingRod on September 10, 2018, 08:46:53 AM ---A good trick: drill through your extensions and tap the center hole. Soooo much more rigid than the standard tinker toy bits. Corner blocks with through bolts are better than angle bits also. This is based on actual use/comparison, BTW.
Also, I suggest some double/triple wide beams on the bottom to get a rigid base. If you do this, the top connections are much less ctitical.
Sent from my SAMSUNG-SM-G891A using Tapatalk
--- End quote ---
Thanks for the tip! I was looking at using the center hole just to save on hardware, but didn't know it was stronger!
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