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print issues

Posted by bobexuk 
print issues
July 31, 2014 01:18PM
Hi all
I have several questions
1 please see attached photo why do the first few layers in all my prints appear ragged - all of the prints show this reproducible raggedness.
2 do I need to calibrate for pla and abs separately to allow for the greater contraction of abs?
Thanks

Bob H
Attachments:
open | download - IMG_1011.jpg (71.7 KB)
Re: print issues
August 01, 2014 11:52AM
Quote

1 please see attached photo why do the first few layers in all my prints appear ragged - all of the prints show this reproducible raggedness.
Do you have fan? Does that happen to both ABS and PLA?
Could it have something to do with bed-temperature radiating and affecting the print - what is your bed-temp setting?
Try adding small brim maybe? In my case it improved overhang/corner wraping with PLA - I think that it protects the object slightly from the temperature of the bed - and I can keep temp of the bed quite high to guarantee good sticking w/o glue/hairspray/etc...


/Larry
(www.filamentshop.ie)
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