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CGGorman's 99 Wide Glide build thread

 
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Old 05-11-2019, 03:02 PM
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Extruder (E axis) in place. Lots going on here. All metal extrusion head from E3D England. Dual hob drive from Bondtech. Fans from Noctua. The prox sensor is for z axis homing and level calibration. There is also the LDO motor, a heater and a thermister.




 
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Old 05-11-2019, 04:34 PM
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Old 05-11-2019, 05:32 PM
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Heated bed is on and most of the wiring is routed.


 
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Old 05-11-2019, 11:32 PM
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...and we're printing...




After some playing around I'll dig into the details and start tuning.
 

Last edited by cggorman; 05-11-2019 at 11:33 PM.
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Old 05-12-2019, 01:06 AM
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Not too bad considering I haven't done any tuning yet.
 
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Old 05-12-2019, 09:30 AM
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Old 05-13-2019, 09:37 AM
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Very cool. I so want a 3d printer. One day.
 
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Old 05-13-2019, 10:31 AM
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1st technical print...

This is a cooling fan shroud for the printer. I was not happy with the provided cooling fan shroud. This part was printed using a .4mm diameter nozzle with a .15 mm layer height using the provided PLA filament. The part is about 1 1/2 inches across and maybe 3/4 of an inch tall. It would be nearly impossible to injection mold due to the internal cavities that direct cool air onto the printed part.

It's not perfect. I am fairly happy with the quality but I still need to work on some settings. There are several pieces of software that I am still learning.






 
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Old 05-13-2019, 04:06 PM
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So, these are the playtime pieces I printed (ignore the stone skull) next to a water bottle for size reference.

The dragon took about 7.5 hours to print and did so while slept. Being tall and thin, I was curious how it would behave but (not unexpectedly) it finished without issue.

I did initially have a problem with one sensor (IR filament sensor). Some googling turned Up a workaround so the first couple prints were done without that sensor but it is required for some planned upgrades so after a bit more googling and five minutes of diagnosing, I uncovered an error on my part. I plugged it into the wrong port on the mainboard. Once corrected, the printer ran as designed....automatically monitoring filament presence & motion and easing filament loading and unloading.

I'm now quite confident in the printer mechanically.

Nevertheless, it's time get serious. I have a raft of mechanical upgrades planned... Automated multi-material filament changer, heated build chamber, all new printed parts in high-temp plastics, larger and stiffer frame in aluminum extrusion, relocated electronics (outside the build chamber), assorted extruder improvements to handle carbon fiber and higher temps (tool steel nozzles, copper heater block, better heater, etc.)....

I have also arranged for some destructive testing of printed samples using an assortment of engineering-grade filaments from 3DxTech.

 

Last edited by cggorman; 05-13-2019 at 04:09 PM.
  #1310  
Old 05-15-2019, 09:16 AM
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Put together a quick chart of physical properties fpr some filaments I'm comparing. It's hard to read, I know. I suck at charts.



Still have to order some samples and print samples for testing but the carbon fiber filled polycarbonate looks like a winner.

Also ordered some general purpose filament for prototyping...a high temp clear PET for lens trials that should let me evaluate geometry for light pipes/light shaping and a couple other opaque filaments for general use.

Most of the parts I plan to make need to handle high temps so I also got the necessary extruder parts to support that along with a selection of nozzles from .15mm to .6mm diameters.
 

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