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Sheet Metal Brake and 3d Printer.
S. Heslop:
--- Quote from: nrml on September 06, 2018, 05:09:54 PM ---I don't want to side track Simon's thread, so I'll refrain from commenting any further on this. I am sure he can make up his own mind on how he wants to build his printer.
--- End quote ---
It's already well sidetracked, don't worry about it. I'm hearing stuff that i've never heard when reading all the official 3d printer forums.
Joules:
The argument over 8bit and 32bit controllers is a little more complex than just jerk.
https://madmodder.net/index.php/topic,11247.msg132361.html#msg132361
Going back a couple of years, here is an example of print quality side by side., and controllers have come on a bit since then.
S. Heslop:
That is a very noticeable difference. What printer model do you currently run anyways, Joules? I've read your threads and I don't remember you saying what it specifically was.
Also update on computer stuff. I found the Last DVD-R and burned the .iso to that and it seems to be working. 55% extracted. I don't have alot of faith in burnable disks and this one is quite old. And hopefully it accepts the CD key!
I should... or maybe shouldn't add that i've also been feeling pretty terrible today with uh... regular trips to the toilet. I'd say that's bad but really it's kept me busy during load times! I've also been up for way too long but there's no way I could get to sleep with this hanging over me.
Oh just Expanded and installed. I'll probably set it to download updates overnight and try get to sleep if it's worked.
PK:
--- Quote from: Joules on September 06, 2018, 06:34:00 PM ---The argument over 8bit and 32bit controllers is a little more complex than just jerk.
--- End quote ---
Agreed.
I do see a lot of "how to remove ringing" and "the top 10 tips for fixing banding in your prints" articles though.
Half decent linear motion bits are cheaper than they've ever been. There was a time when I had a rule of thumb of $500 per axis for a DIY CNC machine. You can do a reasonable job for half that now.
The real problem is that 8mm ground rod and slightly wonky acme leadscrews can be had for less than postage... Oh, and don't get me started on moving axii with rubber bands! :-)
As I mentioned elsewhere, I got as far as some 20mm hot rolled steel plate, rough cut and a deal with the CNC shop over the road to put some precision surfaces on it. IIRC the metal was around $100. Total budget for the machine was <$1k.
My problem is that the plastic snotters just don't suit what I/we do. Heck, maybe one day I'll just make one to win the argument...
I do enthusiastically acknowledge the merit of a DIY machine build at any level though. If valuing my opinion results in something not getting built then that's a MUCH worse outcome than having a go and enjoying the process.
Joules:
I have 3 older Createbot Mini’s. The touch screen versions are not an improvement... They really went to town getting the cost/quality down 8-( Maybe they raised their game again, but looking at the review ratings I think not. A couple of Mini Kossel printers, but they still out fox me with the complex setup every time you change the firmware, I will get the better of them. A now defunct Printrbot Metal Plus is the last on the list and being rebuilt with a newer 32bit Duet board and E3D hot end. Some of the old printing posts mention the Mini printer. Prior to all that I started out with a loaned Rostock Max 8bit delta. If you wanted an excersie in frustration that was the printer to have, but I learnt a lot from that machine.
PK, I have just been lucky, right place, right time. The people who have prints off me use them for presentation, brain storming or just to get an idea of what an injection moulded part will look and feel like in its application. Only one client uses direct printed parts from me as end user parts, the setup cost for the intended mould was £10k plus and he can just call a print off as and when with modifications only needing CAD tweaks before the print. We did test the end user acceptance to printed parts first and they had no problem, but it’s a very bespoke product in lime green.
The banding in prints tends to be in extreme parts than my normal smaller items. Not to forget banding is a handy visual indication to FTFP
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