UM-S5 ABS Printing / Chipped glass / elephant's foot

[BiMNrd 11]

I decided to print ABS (UM brand) with my S5+Air Manager for the first time and a 0.8mm AA core - Long story short, I was unable to get the parts to come off.

I woke up to a cooled off print surface. When the prints finally came off, despite being careful, they took large layers of glass with them.

 

I have been using Magigoo PA for everything and I used it with the ABS thinking that I would need all the help I can get. I think that doing that in combination with the printing temps (more on that ) contributed to the issue. The temperatures are based on the NFC profile and the air manager was set to keep the print volume at 35C.

 

These print had the first layer spread out creating an elephants foot effect.

needless to say, I tried to make other smaller prints with PVA this time and still had the elephants foot. However they were easier to remove.

 

I have been tweaking settings and have been able to get rid of the elephants foot just by decreasing the build plate temp to 70C. I train of thought is that if I have an enclosure, the trapped hot air (temp being contained) will help prevent warping and hence I do not need such hot build plate. 

 

I will post another screenshot of the tweaked settings for your guys info on what seems to be working at the moment.