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Kossel Delta xxl build project HELP

Posted by alex773 
Re: Kossel Delta xxl build project HELP
June 05, 2020 11:58PM
Sorry for delay , avion23.
I'm printing from SD card all the time and I'm using S3D and Prusa Slicer. Right now when I tell the printer to extrude 100mm it will extrude 96mm. I'm going to work on the extrusion to get closer to 100mm.
Re: Kossel Delta xxl build project HELP
June 08, 2020 11:16PM
I finally have some time to do the extrusion calibration and from 96mm / 100mm I managed to get 99.7mm / 100mm extrusion. I used this fixture from Sublime Layers : [www.thingiverse.com]
I changed the bearings and the belts . The printer is quiet now. I will start printing tomorrow to see if any changes are visible on the quality.
Re: Kossel Delta xxl build project HELP
June 09, 2020 10:42PM
I finished some prints today. I did use Prusa Slicer for this prints. I don't know why I do have this lines.
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Re: Kossel Delta xxl build project HELP
June 10, 2020 02:05AM
Have you lubricated the magnetic joints? I use a little silicone grease.



Large delta printer [miscsolutions.wordpress.com], Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
Re: Kossel Delta xxl build project HELP
June 10, 2020 10:10AM
Thank you, David. For magnetic joints I'm using Synthetic oil with PTFE.
Re: Kossel Delta xxl build project HELP
June 10, 2020 06:37PM
Blt3dp, can you please share the link for Super Lube 92003 Synthetic Grease with PFTE what you use for your maglalls and rid ends. I can't find it. I found Super Lube 92003 Silicone Lubricating Grease with PTFE. Thank you
Re: Kossel Delta xxl build project HELP
June 10, 2020 06:56PM
Sure, here's the link.

https://www.amazon.com/gp/product/B0081JE0OO/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

Those ridges are really similar to what I was getting. Make sure the nimble isn't pulling on your effector. You might still try printing that extruder I linked earlier too.

Edited 1 time(s). Last edit at 06/10/2020 06:58PM by blt3dp.


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Re: Kossel Delta xxl build project HELP
June 10, 2020 08:15PM
Thank you. I was thinking about that extruder. I can borrow from someone a SeeMeCnc EZR Struder : [www.seemecnc.com]
What do you think about trying this one just to see if the Nimble is the problem.
Re: Kossel Delta xxl build project HELP
June 10, 2020 08:19PM
Wouldn’t hurt to try.


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Re: Kossel Delta xxl build project HELP
June 10, 2020 08:35PM
I will let you know when I have my hands on it. What Bowden tube should I use ? I know that are tons of Bowden tubes on Amazon. I have to order tube also.
Do you know any place where I can buy a quality Bowden tube ?

Edited 1 time(s). Last edit at 06/10/2020 08:47PM by alex773.
Re: Kossel Delta xxl build project HELP
June 10, 2020 09:13PM
Shouldn’t really matter too much. If you want a quality tube you could go with Capricorn tubing.


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Re: Kossel Delta xxl build project HELP
June 23, 2020 11:44AM
Quote
alex773
I will let you know when I have my hands on it. What Bowden tube should I use ? I know that are tons of Bowden tubes on Amazon. I have to order tube also.
Do you know any place where I can buy a quality Bowden tube ?

Stay away from polyurethane tubing(PU). I switched over to linear rails on my Flsun CUBE printer and changed out my old Bowden tube (white firm Teflon) for some polyurethane tubing. It is very flexible and I took a length of it, wound it in a 4 inch diameter circle with 4 coils. Fed some filament through and it felt very smooth to manually feed it through the rolled up tubing. Put it on my printer, completely forgetting my "one change at a time rule' and then spent hours trying to figure out why my hotend kept appearing to be plugged after 5 minutes of use. Wasn't until I saw the old tube laying in the trash can next to my desk that I thought maybe that tubing is doing it. Changed just the tubing, ran the print job I had been trying for hours, and first shot it printed straight through, no issues. Don't know why the new stuff was causing issues, but I do know it was a waste of $7, and many hours of time.
Re: Kossel Delta xxl build project HELP
June 25, 2020 03:27PM
Thank you Doug_scott for your feedback. I got this one from Amazon : [www.amazon.com]
Is this ok ? I'm waiting for Hemera to replace my Nimble.
Re: Kossel Delta xxl build project HELP
June 25, 2020 04:04PM
That's exactly the one I'm using with the Hemera


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Re: Kossel Delta xxl build project HELP
June 25, 2020 05:48PM
I hope Hemera it will be back in stock this month. I decided to go with Hemera and I do hope the quality of my prints will change.
Re: Kossel Delta xxl build project HELP
June 25, 2020 07:06PM
I will say for the tension adjustment on the Hemera, twist the knob until the white wedge is flush with the edge of the tension arm and I found steps per mm 409 is perfect.


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Re: Kossel Delta xxl build project HELP
June 25, 2020 08:00PM
Quote
alex773
Thank you Doug_scott for your feedback. I got this one from Amazon : [www.amazon.com]
Is this ok ? I'm waiting for Hemera to replace my Nimble.

That is one of the best ones on the market. You are safe with that one. I recently got a proper tubing cutter(not metal tubing) with a length of the same hose you got. This cutter does not deform the hose like wire cutters do. It is a simple little clamp with a razor blade inside. Used properly you will a 90 degree cut perpendicular to the hose. And the hose is still round. Tubing cutter is the kit I got. That hose went on my Flsun QQ machine.
Re: Kossel Delta xxl build project HELP
June 25, 2020 08:57PM
Thank you doug_scout. I have to check if I have one like this
Re: Kossel Delta xxl build project HELP
July 10, 2020 11:48AM
I finally got the Hemera. Hopefully I will have the time to install it this weekend.
Re: Kossel Delta xxl build project HELP
July 10, 2020 10:43PM
Would you mind sharing some pictures with your Hemera set up ? I want to change the position of my filament spool from the top of the printer to the bottom. What spool holder did you use ?
Re: Kossel Delta xxl build project HELP
July 11, 2020 11:29AM
So I got 2 of these 1 1/2" black abs pipe caps from Home Depot.



Then i drilled a hole in the middle of one and mounted it to the frame.



Then I took the other cap and a section of pipe, cut to length, and used acetone to solvent weld them together.



Here's a shot from the front. I have the Hemera mounted on the Y tower, about half way up. I'm able to mount it on the side because my towers are 40x60, I have the space so the carriages won't hit it. You may have to front mount yours.






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Re: Kossel Delta xxl build project HELP
July 11, 2020 11:37AM
Actually, you might be able to side mount the Hemera, it doesn't extend past the face of the extrusion when mounted on the side.


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Re: Kossel Delta xxl build project HELP
July 11, 2020 01:16PM
Thank you for the pictures. Nice printer. Did you grease the gears with the grease provided by E3d or use the syntetic grease from Amazon ? What screws did you use for mounting the Hemera ? How long is the Bowden tube ?

Edited 2 time(s). Last edit at 07/11/2020 04:28PM by alex773.
Re: Kossel Delta xxl build project HELP
July 11, 2020 08:42PM
I didn’t get any grease with the Hemera, they were advertising that it didn’t need lubrications. To mount it, I used m3x8mm to mount the Hemera to the mount, then it was m4x10mm to attach the mount to the frame. The bowden is about 615mm long, but my printer is also 200mm shorter than yours.


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Re: Kossel Delta xxl build project HELP
July 11, 2020 11:37PM
Thank you. I finally have the plate mounted on Hemera. I'm planning to install everything tomorrow.
Re: Kossel Delta xxl build project HELP
July 12, 2020 02:21PM
For the motor did you use the power cable provide by E3d ? Did you set the steps per mm to 409 ? Can you please help me with the set up for Hemera .
Re: Kossel Delta xxl build project HELP
July 12, 2020 02:47PM
I did use the cable from e3d and I currently have steps per mm set to 409. I’ll see about my other settings when I get home.


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Re: Kossel Delta xxl build project HELP
July 13, 2020 11:47AM
Here are the settings I'm running pretty well with, I've bolded the ones you'll probably want to update.

M350 X16 Y16 Z16 E16 I1
M92 X200.00 Y200.00 Z200.00 E409.00
M566 X600.00 Y600.00 Z600.00 E3600.00
M203 X7200.00 Y7200.00 Z7200.00 E7200.00
M201 X1000.00 Y1000.00 Z1000.00 E7200.00
M906 X1700 Y1700 Z1700 E1100 I30


I also have these set at the end of config.g. If you're going to flip between PrusaSlicer and Simplify, I would leave it. But you would also want to match up the Simplify retraction settings to these. You may also have to tweak the retract distance there cause you may need more if your bowden is longer.

M207 S3.5 F2400 Z0.00


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Re: Kossel Delta xxl build project HELP
July 13, 2020 12:49PM
Perfect. Thank you so much. I still have to work on the printer because I found some things that I have to replace.
Re: Kossel Delta xxl build project HELP
July 13, 2020 07:10PM
I finally opened the printer to have access to Duet. My extruder Cable ( first from the left ) it has the wire starting with black, green,red and blue. The cable from Hemera has the wire starting with black, green, blue and red. Should I change the red with blue ?
Attachments:
open | download - IMG_20200713_180030.jpg (353.6 KB)
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