esun petg

Rara · Post by **Rara** » Fri Jul 31, 2015 3:23 am

Oh my. Well, let's see what we can do now.

Jules · Post by **Jules** » Fri Jul 31, 2015 3:29 am

Rara wrote:Oh my. Well, let's see what we can do now.

Don't feel too bad...."I" forgot to include the information in the write-up! (Triple whoopsie!)

jimc · Post by **jimc** » Fri Jul 31, 2015 3:37 am

Bratag wrote:Not PETG but fire resistant filament from eSun....

Flame resistant plastic ... we are living in the future.

http://3dprint.com/85639/esun-fire-resistant-filament/

i have a spool of this here. i did some of the testing on it awhile back and it seemed very nice. ill give a report once i have some settings and print time with it. its a modified polycarb.

also got a spool of the opaque red petg as well

Rara · Post by **Rara** » Fri Jul 31, 2015 3:42 am

Oh really? Haha, I was like...how did I manage to miss an entire section!

Anyway, another print going right now, let's see how this goes (different part, but I printed one with the old profile too).

Rara · Post by **Rara** » Fri Jul 31, 2015 10:02 pm

WOW. Wow. That made a HUGE difference..thank you guys so much for catching that! My test print looks just as good as one I made of PLA a while back, literally one or two strings on the outside, and the (4) through holes came out perfectly clean. This might be the all-around, general purpose filament I've been hoping for.

Next up will be improving the surface of supported areas, and I had a test set up...except my extruder motor mount just cracked in half..and I am an idiot who never printed myself any spare parts over 3 years. Field repair time! Are there any improved from stock versions or is the R2 version the best bet?

Matt_Sharkey · Post by **Matt_Sharkey** » Fri Jul 31, 2015 10:29 pm

Rara wrote:...except my extruder motor mount just cracked in half..and I am an idiot who never printed myself any spare parts over 3 years. Field repair time! Are there any improved from stock versions or is the R2 version the best bet?

I was in your shoes last year and insta helped me out, so I'll offer you the same.

: 20150731_212714416_iOS.JPG (508.33 KiB) Viewed 14067 times

10 dollars shipped.

jimc · Post by **jimc** » Fri Jul 31, 2015 10:36 pm

take some acetone or epoxy and glue yours back together so you can print another. here is an stl for a beefier extruder mount without the hole where it commonly cracks. print this abs at 70-80% infill. i have never broken one of these.

M2_Extruder_Motor_Mount.STL.zip: (231.41 KiB) Downloaded 593 times

Matt_Sharkey · Post by **Matt_Sharkey** » Fri Jul 31, 2015 10:42 pm

on top of the acetone, put a hefty zip tie (or two) around the whole mount, for good measure

Rara · Post by **Rara** » Fri Jul 31, 2015 10:49 pm

Turns out I had this tiny little C-Clamp at the bottom of my tool box that was perfect band-aid. No muss, fuss or waiting! Thanks for the quick aid though, much appreciated.

Interesting though, as I think we might be getting to the point where metal may be appropriate with the V4 since the motor and hot end are now divorced; you can see and feel the motor mount flex in the Y-plane when it's transitioning between extrude and retract (now that I have functioning amounts of retraction

). Mounting bolts were tight (mount broke when I was putting the motor back on after checking as it were), only thing it could be is the plastic deflecting.

Matt_Sharkey · Post by **Matt_Sharkey** » Fri Jul 31, 2015 11:01 pm

Rara wrote:Interesting though, as I think we might be getting to the point where metal may be appropriate with the V4 since the motor and hot end are now divorced; you can see and feel the motor mount flex in the Y-plane when it's transitioning between extrude and retract (now that I have functioning amounts of retraction ). Mounting bolts were tight (mount broke when I was putting the motor back on after checking as it were), only thing it could be is the plastic deflecting.

90% infill might be as good as metal

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