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Pla Vs Abs Settings

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I have been working with my new printer and find PLA seems to print very well on smaller flat pieces. I am still trying to figure out orientation to get the larger structures with overhang to have the right support but I guess it is mostly trial and error. Some parts come out nice, some not so nice...

I have been trying to do more with ABS but find problems. Layer separation, improper bonding and not knowing when to use cooling, high speed or low etc. Is there anywhere I can go to get a better understanding of how to use the ABS?

Anthony has mentioned he may have 3D printing tutorials soon. I look forward to this kind of tutorials.

Any advice?

Ron

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Norway
#9  

No fan on ABS. 235-240 should be ok. but you might try to raise a little. But try without fan first.

#10  

Thanks, I was concerned with overhangs so I ran the fan. Next try will be fan off and 245.

Norway
#11  

Just try without the fan first. 235-240 should be fine for ABS.

#12  

Ron,

What are some of your other settings? Object Infill Layer Height Number of shells Feedrate Travel Feedrate? For ABS I use 80mm/s, 45mm/s may be too slow which may be causing the separation issue. Heatbed temp?

Canada
#13  

For my ABS printing on Flashforge Dreamer, here are the settings:

First layer .30 mm layer height .20 mm layer thickness 3 infill 15 % hexagone print speed 60 mm travel speed 80 mm nozzle temp 220 heat beed 105 cooling auto

all these set-up are provide by flashforge SW named Flashprint

http://www.flashforge-usa.com/support/downloads/

Even if you do not have the Flashforge printer, the settings given by this SW might help you to set-up yours

#14  

Hello to all . My work interrupts my fun... LOL

I am going to start with the original settings I used based on my best test and will post my results. I think I got too far from these base settings. Thanks to all for the information and the input so far. I will try to do it on thursday am.

Ron

#15  

Update: Still printing the part. It is looking a lot better than the last one. The recommended changes are helping. I will let this one finish. I will post my results.

Ron

#16  

Spoke too soon. Lower portion of part looked ok. Upper detail (thinner portion) lost bond and got brittle.

I am going to reset to PLA and run a part to be sure machine is printing ok.

Then post settings. Ron

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