Flickerfly's ORD Bot Hadron Build Log

Post your build logs here

Re: Flickerfly's ORD Bot Hadron Build Log

Postby Enraged » Sun Jun 09, 2013 3:02 pm

I like your mount, simple yet functional.

As for your extruder calibration, you should tweak it for your own machine. I found this guide very helpful: http://richrap.blogspot.ca/2012/01/slic ... s-and.html
Enraged
 
Posts: 439
Joined: Fri May 06, 2011 3:13 pm

Extruder steps/mm measured and validated

Postby flickerfly » Sun Jun 09, 2013 4:13 pm

Thanks Enraged, I just did the mark and measure of 30mm of plastic mentioned in that link you posted while using Bart's measurements and it seems good. This makes me think I have some other setting that is potentially a problem. I just don't know what. Maybe I should start looking around Slic3r.

Yeah, that mount gets the job done for now. It's real solid and I like a bit of wood in the mix.

EDIT: Hmm... it probably helps to give it the right filament size... 1.75, not 3mm. I should have looked at the slic3r settings sooner.
flickerfly
 
Posts: 247
Joined: Sat Apr 27, 2013 10:04 pm
Location: Allentown, PA

Re: Flickerfly's ORD Bot Hadron Build Log

Postby kbob » Sun Jun 09, 2013 7:13 pm

I'd like to see a nicely carved hardwood carriage. That would be the bee's knees.
Bob
"If you didn't code it, it will never own you." (-:
kbob
 
Posts: 149
Joined: Mon Jul 09, 2012 6:39 am
Location: Eugene, OR, US

Z-wobble in my prints

Postby flickerfly » Tue Jun 11, 2013 12:24 pm

It looks like I'm dealing with some Z-wobble in my prints. I held up the prints to the threads and it seems pretty clear that the threads correspond to the wobble. I have the ATI kit which provides the Z-wobble mod that should help remove some of that. I've adjusted the rods so they don't bounce around much, just a little. They are in a flexible coupler. I'm not sure what else to look at.

Here is a picture of my last configuration cube taken from the side.
Image

More pics of the same print:

It also looks like I'm smooshing the beginning of the print against the bed too much. I figure that is just a setting in slicer to move the initial layer up a touch. I think I saw something about that and maybe also adjust the setting in slicer that controls how much plastic is extruded to a slightly higher value.

Anyone have some other suggestions about where I need to tweak or what I could do to improve that Z wobble.
flickerfly
 
Posts: 247
Joined: Sat Apr 27, 2013 10:04 pm
Location: Allentown, PA

Re: Flickerfly's ORD Bot Hadron Build Log

Postby Gadroc » Tue Jun 11, 2013 2:05 pm

I have a set of the Z Wobble improvements that I just took back off my machine as they didn't fix anything and actually seem to made things a little worse at times. I have a set of acme threaded rods in route to see if that helps, as one of my existing rods is bent more than I'd like.

You may not be smooshing to much to as some slicers have a feature called "Brim" which will extend the first layer out to help prevent curling. Check to see that is enabled before tweaking hardware. I'd highly recommend printing and installing one of the Z adjust devices to help quick adjust 0 position.
Gadroc
 
Posts: 77
Joined: Thu Nov 10, 2011 8:18 pm

Re: Flickerfly's ORD Bot Hadron Build Log

Postby flickerfly » Tue Jun 11, 2013 2:24 pm

Gadroc, did you have an ATI kit that you're replacing the rods on? When I first looked at them, I thought them okay.

Gadroc wrote:I'd highly recommend printing and installing one of the Z adjust devices to help quick adjust 0 position.


Can you point me to one? I found this: http://www.thingiverse.com/thing:52388
The ATI kit comes with an equivalent of this: http://www.thingiverse.com/thing:42260

Edit: actually, I think the ATI equivalent is more like this: http://www.thingiverse.com/thing:42658
flickerfly
 
Posts: 247
Joined: Sat Apr 27, 2013 10:04 pm
Location: Allentown, PA

Re: Flickerfly's ORD Bot Hadron Build Log

Postby rickmellor » Tue Jun 11, 2013 10:58 pm

Not sure if related, but the Hadron I recently assembled came from ATI and I had to get a replacement for one of the Z rods. The threads were damaged and would not mate to the Z nuts.
rickmellor
 
Posts: 89
Joined: Sat May 04, 2013 4:15 am
Location: Brooklyn, NY

Re: Flickerfly's ORD Bot Hadron Build Log

Postby rickmellor » Tue Jun 11, 2013 11:02 pm

flickerfly wrote:Can you point me to one?


I believe Gadroc was referring to something like this:

http://www.thingiverse.com/thing:54154

It'll allow you to precisely set your Z stop to prevent dragging the head across the bed.
rickmellor
 
Posts: 89
Joined: Sat May 04, 2013 4:15 am
Location: Brooklyn, NY

Re: Flickerfly's ORD Bot Hadron Build Log

Postby flickerfly » Tue Jun 11, 2013 11:10 pm

Oh, yeah. I was thinking I want to do that also more flexible z-stop. It just hadn't drifted up my priority list. It would be much better than the frustration of setting it now which is very time consuming. Thanks for clarifying rickmellor.
flickerfly
 
Posts: 247
Joined: Sat Apr 27, 2013 10:04 pm
Location: Allentown, PA

Re: Flickerfly's ORD Bot Hadron Build Log

Postby Gadroc » Wed Jun 12, 2013 12:56 am

Rick is correct in that's what I was referring to. Ironically I think the z wobble is better on mine after switching back to the original attached nut block.
Gadroc
 
Posts: 77
Joined: Thu Nov 10, 2011 8:18 pm

PreviousNext

Return to Build Logs

Who is online

Users browsing this forum: No registered users and 3 guests