man sized

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bubbasnow
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Re: man sized

Post by bubbasnow »

Im an idiot.. Now it's unlisted not private

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Eaglezsoar
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Re: man sized

Post by Eaglezsoar »

bubbasnow wrote:Im an idiot.. Now it's unlisted not private


Anyone who can build a machine like that is certainly not an idiot.
Good job building her!
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3D_Kudu
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Re: man sized

Post by 3D_Kudu »

This is awesome! I'm glad to see someone else building a big delta. It makes me feel better about my own project. I have a running forum over on the Delta Robot 3D Printers Google group discussing the big delta that I'm building if you're interested in taking a look.

https://groups.google.com/forum/#!topic/deltabot/CByVTaedwnQ

My build is similar to yours in many aspects, and it sounds like we want to do many similar things with it.

I have a couple of questions that I've been struggling with. First, how did you spec what size magnets to use for the mag arms? Is there a tool available for calculating the forces in the joints and arms to help with this, or did you have to just guestimate? Secondly, how did you go about aligning such a large frame?
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Last edited by 3D_Kudu on Fri Jun 27, 2014 5:14 pm, edited 1 time in total.

Josshe
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Re: man sized

Post by Josshe »

Has this performed as you expected?

bubbasnow
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Re: man sized

Post by bubbasnow »

how did you spec what size magnets to use for the mag arms?


N52 strongest i could find from K&J http://www.kjmagnetics.com/

how did you go about aligning such a large frame?


so i used 1500mm 20x40mm vslot for my vertical linear rails, when i build my 60deg horizontal brackets i placed them all at the base on top of each other. i then tightened the horizontal extrusions so they were all the same lengths and slid them up the rails in place. i used the base as a reference point assuming the verticals were all perpendicular to the base. using gene's method of a cut measuring stick i spaced each triangle a set distance from the one below it and tightened. see attached pic
printer.png

bubbasnow
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Re: man sized

Post by bubbasnow »

got some more time in on this project this weekend..

I converted everything to a 24v supply.

looks like i'm getting close to ready to attach a extruder and spit out some plastic.


bubbasnow
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Re: man sized

Post by bubbasnow »



and this one

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626Pilot
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Re: man sized

Post by 626Pilot »

These are fun to watch. Did you make those toolpaths with LinuxCNC?

bubbasnow
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Re: man sized

Post by bubbasnow »

the butterfly was in linuxcnc already, that Intel skull i drew in solidworks over a 2d image i pulled from google, then exported as .dxf and used cambam tool to do paths. linuxcnc is a whole other beast compared to reprap stuff.. im having to learn alot through trial and error. including converting reprap gcode to real gcode when i get to putting an extruder on this guy.

bubbasnow
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Re: man sized

Post by bubbasnow »

First prints

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bubbasnow
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Re: man sized

Post by bubbasnow »

300mm diameter vase style wall.

Im going to need to redesign my hotend mount and way the bed is secured to print any closer to the edge.

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626Pilot
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Re: man sized

Post by 626Pilot »

This is amazing! 300mm wide circle and no Z issues at all! I like how the structure is braced. I hope you'll print some huge stuff with this and show it off!

bubbasnow
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Re: man sized

Post by bubbasnow »

Ive done some upgrades with the carriages, arms, and effector. I have reversed the traxxas balls onto the arms, and placed the magnets inside the carriage and effector plates.

here is my setup:
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doing some .1mm layers:
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printing at 3600.0 mm/min x 1.5 feedrate increase:

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teoman
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Re: man sized

Post by teoman »

That is impressive.

I also noticed that you have been kicked out of the house and in to the garage :)
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Eaglezsoar
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Re: man sized

Post by Eaglezsoar »

teoman wrote:That is impressive.

I also noticed that you have been kicked out of the house and in to the garage :)

Bubba chose to work out in the garage to eliminate the proverbial NAG - NAG - NAG!
Now he has a reason to heat the garage!

bubbasnow
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Re: man sized

Post by bubbasnow »

did the frenchie today, 13 hr print with 10% infil, 60mm/s speed .1mm layer height 4 passes along the outside. NO SUPPORT!!

http://www.thingiverse.com/thing:468265

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Elysio
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Re: man sized

Post by Elysio »

Hi Bubba.

Is there any possibility to get this big printer from you, or some shemes / plans to rebuilt it myself, I would pay for them.
Would be perfect to have this machine for my lifesized busts and sculptures.

Really dont want to hook up this thread with my pics, so this is just an example for the size which I`m printing :

Image

As you can see, even with the Rostock I have to print the bust in parts :(
Your machine could finish this mess for all times !

Bye

bubbasnow
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Re: man sized

Post by bubbasnow »

Your Order Contains:
3 x Smooth Idler Pulley Kit
6 x V-Slot 20 x 20mm
(Length: 1000mm)
3 x V-Slot 20 x 40mm
(Length: 1500mm)
3 x GT2 (2mm) Aluminum Timing Pulley - 20
32 x GT2 (2mm) Timing Belt
3 x Micro Limit Switch
12 x OpenBuilds Solid V Wheel Kit

this is my order from http://openbuildspartstore.com/

using those extrusion dimensions i just made some 120deg mounts for the cross members. being sure to account for mounting the nema17s and idle bearings at the top.

i grabbed some nema17x4 and a bbb+bebopr for the electronics
carbon fiber arrow shafts with aluminum tip inserts, traxxas ball ends, and n52 magnets

the bed is mic-6 alum, 16 3/4 inch diameter from ebay with a 16in mirror from local hobby shop.

i did add a onyx heated bed just because i hate dealing with blue painters tape but its not needed

bubbasnow
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Re: man sized

Post by bubbasnow »

Image

Booya 14inches

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Eaglezsoar
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Re: man sized

Post by Eaglezsoar »

Every time I see pictures I realize what an awesome printer this is!

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teoman
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Re: man sized

Post by teoman »

An excellent machine you have built.

I wish i had the time/space to build one :(
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bubbasnow
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Re: man sized

Post by bubbasnow »

Put on a cyclops
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DavidF
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Re: man sized

Post by DavidF »

still running nema 17's???
http://www.youtube.com/user/aonemarine
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bubbasnow
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Re: man sized

Post by bubbasnow »

Yes

BenTheRighteous
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Re: man sized

Post by BenTheRighteous »

Thanks for reviving this thread - the last post was from before I registered, so I'd never have seen it otherwise. This is a cool project!
nitewatchman wrote:it was much cleaner and easier than killing a chicken on top of the printer.

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