Main Restorations Software Audio/Jukebox/MP3 Everything Else Buy/Sell/Trade
Project Announcements Monitor/Video GroovyMAME Merit/JVL Touchscreen Meet Up Retail Vendors
Driving & Racing Woodworking Software Support Forums Consoles Project Arcade Reviews
Automated Projects Artwork Frontend Support Forums Pinball Forum Discussion Old Boards
Raspberry Pi & Dev Board controls.dat Linux Miscellaneous Arcade Wiki Discussion Old Archives
Site News

Unread posts | New Replies | Recent posts | Rules | Chatroom | Wiki | File Repository | RSS | Submit news


  

Author Topic: So ... 3d Printers....  (Read 2764 times)

0 Members and 1 Guest are viewing this topic.

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #80 on: January 15, 2017, 04:44:28 pm »
Well cura has a little status window and it has a text box.... I'm assuming I can use that to send commands, but I don't know what the command is to stop the fan.  It seems to be doing ok this time.  The only thing I did was put a big old fan on the power supply just in case and cinched up the wires to the hot end a little better as they were hanging below the fan duct. 

It's very annoying... one of those watched pot deals.... It was printing fine last time so I went in the living room to watch a movie and it crapped out on me.  Right now I'm on my computer anyway and wouldn't you know it... no errors.  I don't mind checking in occasionally, but this is a 6 hour print.    It's about halfway done, so hopefully it'll make it this time.  The solution for rapid cooling is to insulate the hotend, so I'll look into that.  And of course overheating just needs more fans, so I'll go through my junk drawers and start throwing every 12v fan I have at it. 

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #81 on: January 15, 2017, 07:15:31 pm »
While I'm waiting for this to finish I took a look at tinkercad.  it's surprisingly robust.  The only thing I don't like about it is there doesn't seem to be any way to work on models at the vertex level or the ability to delete/add/weld vertices.  I'm old school.  I usually plop down the basic shapes and then do all of the detail work with vertices.  I want to try one or two projects with it though.  No having to install a bloated 3d modeling program is a big check in the pro box for me. 

BadMouth

  • Trade Count: (+6)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 7864
  • My arcade cabinet has a cup holder.
Re: So ... 3d Printers....
« Reply #82 on: January 15, 2017, 07:40:10 pm »
I went through the included tutorials, then a few from this youtube channel: https://www.youtube.com/playlist?list=PLt4JWLrDaOYmjyhE08HbNdsHMGKAmX6jG

With that, I've been able to pull off everything I can think up, except for complex curves.

The only annoying part is that every single thing you do is recorded in the file, so designs you've worked on a lot and redone parts of get so complicated that they take longer to load and sometimes get glitchy.  You can work around this by saving individual pieces as stl files, then importing them into a new design file.  Then they only show up as one shape instead of all the shapes & changes that went into making them.  Of course you can't undo or ungroup the parts that went into it.

You can also copy and paste from one design to another, which is helpful.

EDIT: BTW for some reason I can't access the drop down menu to change the snap grid size on the new Beta version (lower right corner of grid area).
         I can click on it, but the options are always hidden behind the tool panel or right edge of the screen.  Could be the 1600x900 resolution on my laptop.
         If you have the same issue, you may want to use the Legacy Design option.


« Last Edit: January 15, 2017, 07:47:01 pm by BadMouth »

SammyWI

  • Trade Count: (+2)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 356
Re: So ... 3d Printers....
« Reply #83 on: January 15, 2017, 08:48:38 pm »
Is there a way to stop the fan on a running print?  (Other than unplugging it of course).
But I doubt its because the fan is cooling it to fast. I would recommend checking the hot end and heated bed's thermistor, it may be loose or out of place or bad. Its a good idea to pick up a cheap laser temp gauge and use that to confirm the hotends actual temps.

I agree that a cooling fan is very unlikely to cause a thermal runaway error.  I'd check the temp sensor wiring very carefully.  After that, some of the Skynet releases have had some bugs.  I'm still on 2.0 because it works for me and I hate to fix what's not broken.  2.3 (or 2.3.1) seems to be pretty good from what I've read but some of the in between versions have had reports of thermal runaway errors.

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #84 on: January 15, 2017, 10:02:52 pm »
I think it was just glitching out for some reason.  I'm currently running it via usb cable and I think when my pc gets busy it is sending odd data or something. 

The latest print turned out just fine and I checked the print every 15 min or so and there was never a fluctuation in temp more than a degree or two.  I checked the wiring the whole length, even removing the covering and I couldn't find any kinks or breaks. 

Anyway my pcb cover turned out great.  As per usual there was a design flaw in the author's design.... the box hit the right bolt on the z limit switch, pushing it down, so I had to take it off and dremel out a small hole.  It looks nice and tidy though.... I'm only hoping the vent holes are enough to keep it cool.  I'll probably mount a pair of fans to the outside just in case. 

Btw.... I've been using painter's tape on the bed because the included stuff sucked and I have a real hard time removing some prints.  My tape is ruined every two or three jobs.  I was thinking maybe contact paper or something.  Are there any pre-made covers out there that actually work?

05SRT4

  • Trade Count: (+3)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 701
  • Check out my Pow Pow
Re: So ... 3d Printers....
« Reply #85 on: January 15, 2017, 10:33:30 pm »
As annoying as peeling tape of every other print its been the best for me. I just get the really thick cuts so I only need to do a few strips. I can go 4-5 prints before changing it out.

They had flexible sheets you can buy, I used one for a bit but eventual stopped when then 1st layer wouldn't stick anymore.

You can check them out here.

http://www.printinz.com/printinz-3d-printer-plates/

SammyWI

  • Trade Count: (+2)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 356
Re: So ... 3d Printers....
« Reply #86 on: January 16, 2017, 10:37:54 am »
First layer sticking (and later releasing) is one of the biggest issues. I've used a lot of surfaces and I have found PEI to be the best so far with PLA or PETG. You can get PEI kits from Amazon or EBay that have a 30 mil sheet plus separate adhesive sold for 3d printing. I personally like 3 mil PEI tape from C S Hyde. Lasts for many prints with just a quick alcohol wipe before each print. Eventually gets beat up to need replacing. I have not yet tried the specialty print surfaces like Printz but the reports seem to be no better than PEI at higher cost.

BadMouth

  • Trade Count: (+6)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 7864
  • My arcade cabinet has a cup holder.
Re: So ... 3d Printers....
« Reply #87 on: January 16, 2017, 12:15:51 pm »
I've easily done two dozen prints on my current sheet of PEI and have no plans of changing it anytime soon.

I did have an issue once where it turned white and was ever so slightly puffed where the last part was stuck to it.
I do not know if it was that I was experimenting with higher temperatures, that I stretched it slightly while removing the part, or what.
It's just enough that if I print a big flat part face down and you hold it up to the light at just the right angle, you can see the outline.
This has only happened once and I'm still using the same sheet.  Just been too lazy to clean all the adhesive off and I haven't needed to print anything big and flat that needs to have a perfect shiny smooth surface.  Discussion here if interested: http://forum.arcadecontrols.com/index.php/topic,151479.msg1597116.html#msg1597116

Other than that once instance, I pretty much consider PEI to be the permanent bed and not a consumable.



Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #88 on: January 16, 2017, 01:23:27 pm »
Well the smooth surface is one of my concerns.  Right now it is quite noticeable that I'm printing on tape because you can see the lines.  With what I'm printing right now it doesn't really matter, but when I start printing stuff out for my car it would be nice to have a smooth surface, or at least a uniform one. 

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #89 on: January 18, 2017, 01:45:19 am »
I saw a youtube video where someone used a butane mini torch to smooth pla prints.... I might try it.  Anyway, I figured out the z-offset.  You just want to throw a G92 in your starting g-code. 

Let's say you want to print on some glass and it's 10mm thick.... you would add the g-code:
G92 Z-10

That tells the printer that the current z-position is -10, so before printing it's going to move up 10mm to get to 0, which will be on top of the glass. 

So I need to read up on g-code as my 3d modeling training was more on the artistic side than the industrial. 

BadMouth

  • Trade Count: (+6)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 7864
  • My arcade cabinet has a cup holder.
Re: So ... 3d Printers....
« Reply #90 on: January 24, 2017, 10:23:10 pm »
when I start printing stuff out for my car it would be nice to have a smooth surface, or at least a uniform one.

When I first got my printer I thought I could pull off a nice smooth surface on the side facing the print surface.
I have since given up.  I can get it pretty smooth, but you can still see the path the printer took.
Getting something finished looking enough for a car interior without finishing in some other way is a pretty tall order.

When I had an 83 TransAm, I would cut panels out of textured ABS, clamp a guide across the corners and file the surface of the corners down until they looked like the factory panels.  If your Camaro interior looks the same, you'll understand what I mean.


So make anything cooler than a cube yet?

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #91 on: January 24, 2017, 10:43:57 pm »
Well the idea was to cook each flat side on a hot plate for a second or two to melt everything flat and maybe use a torch for curves, but I think I'll experiment on reject parts first.  If all else fails spraying it with some filler primer and painting isn't a big deal. 

In previous cup holders I've used the excess of a midway 27" crt bezel from happ.  The stuff is a dead ringer for the plastic texture on the center console, but I think I'm about out of it. 

I've printed a bunch of stuff, but not much for fun yet.  I printed out a cover for the pcb and some bushings for the Z axis. I designed a couple of tool holders for the included kit that snap to the top.  I also printed off a spool holder that mounts to the top from thingiverse, but it kind of sucks so I might make a new one.  Other than that, I printed the Nintendo logo (small test size for a HUGE sign) and I made a little mounting box for a wifi extender that doesn't get good service unless I mount it in the window. 

I saw a Shao Kahn model from mk9 on thingiverse... I want to print that and paint it.  I had this idea to print out control panels for candy cab buttons/sticks.  I did some tests and with a 100% solid print it's probably stronger than most plastic madcatz sticks. 

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #92 on: January 30, 2017, 09:23:31 pm »
Yeah so I've been experimenting a little.

I found a plotter attachment on thingiverse for the i3 in which you had to remove the cooling fan.  I modified it so that it bolts behind the fan instead.  Sorry I should have taken more pics, but here is the first test before I dialed all the settings in.  As of now it has the accuracy of a black and white printer for the most part.  I'm still trying to keep the pen from dragging when it first starts printing, but other than that, it works.  The key to doing this is to save an additional machine profile in cura and change all the settings for the plotter.  Then switching back and forth is as easy as loading profiles. 

The next step is to modify the plate to make it a universal mount.  A dremel extension and vinyl cutting drag knife can work via the same principal for 2d cutting. 

BadMouth

  • Trade Count: (+6)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 7864
  • My arcade cabinet has a cup holder.
Re: So ... 3d Printers....
« Reply #93 on: January 31, 2017, 07:30:29 am »
Some cool things done with a drawing machine: 

(contains some profanity)
« Last Edit: January 31, 2017, 07:32:16 am by BadMouth »

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #94 on: January 31, 2017, 03:29:32 pm »
I saw that one.  I guess our youtube suggestions are similar.  ;)

The more I play with this printer the more I think it could probably handle light-duty cnc milling.  The only weak point is the y axis portion of the frame and as it's only two screw rods attached to flat lexan, it could be modified and made sturdy. 

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #95 on: February 02, 2017, 09:03:17 pm »
So I thought I would give a glass plate a try.  Thus far glass sucks.  I'll try to tweak the settings one more time tomorrow, but even with a bunch of glue down on the bed it's just sliding all over the place.  So I guess I'll try some of the ready made sheets you guys suggested as the parts are sticking to blue tape so bad that I fear I'm going to warp the bed removing prints.

Howard_Casto

  • Idiot Police
  • Trade Count: (+1)
  • Full Member
  • ***
  • Offline Offline
  • Posts: 14836
  • Your Post's Soul is MINE!!! .......Again??
    • The Dragon King
Re: So ... 3d Printers....
« Reply #96 on: February 02, 2017, 09:57:41 pm »
Bah! 

Never mind, the glass is actually better, I just goofed a bit of g-code.  Printed out the little makerbot keychain and he turned out pretty good.  You can make out most of his buttons and stuff, so I call that a success.  I need to lay off the glue stick a little next time, but I actually managed to get a flat edge on the bottom without any path lines.  He pulled off the glass a lot better than the tape, so assuming I can get this glue stick ratio down I think I'll stick with glass. 

  
 

Sitemap 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31