Pfaff Performance Icon and Aurifil thread
#1
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Location: Richmond, KY
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I have a new Pfaff Performance Icon. I always piece with 50 weight Aurifil thread--this machine won't work good with it. It skips stitches. I took it back to my dealer and she tried it with Signature 50 weight thread (which is thicker than the Aurifil for some reason) and it sews beautifully. I use Aurifil on my other 3 Pfaff machines and it works fine. Is it that this new machine might need some kind of adjustment or it just isn't going to like my thread. I have several spools of this thread and I don't want to just have it sit! Two of my other machines I use primarily for embroidery and the other is my travel machine (smaller). The Icon I bought to replace my Quilt Expression 4.0 (I wish I had just kept it and not traded!). Any ideas from anyone?
#3
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I've used 70, 80 and 90 needles, all new. Inspira (Pfaff needles) and none of them made a difference. It's hard to believe a machine like this won't stitch good with quality thread, and I consider Aurifil a quality thread. I've also tried Organ and Schmetz needles, all new needles.
#5
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Signature 50 weight thread (which is thicker than the Aurifil for some reason) and it sews beautifully.
#6
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I use size 70/11 needle with Aurifil 50wt 2 ply and other thin thread. With 3 ply I use a size 80/60 and sometimes if it is linty a size 90/14 has to be used. It would definitely raise a red flag if my machine dealer did not know the difference between the threads.
#7
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Some suggested I try a 60/8 needle so I did that this afternoon and so far I have had no skipped stitches. Which is weird because I never used that size on my QE 4! But as long as it works, I'm fine with it!
#9
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Join Date: Jan 2019
Location: Pacific Northwest
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Changed the needle on my Bernina to a 70/10 microtex this morning and she is working fine now.
My first clue was my quilt class instructor recommending Aurifil thread for intricate piecing because it is a finer thread.Had been using Mettler thread until recently and I was thinking the change to 50 wt Aurifil could be just enough to cause stitch problems. Or did I just get lucky with rethreading after the needle change? Anyway good to find out others have done this and had positive results. Thank you quilting board! ![Thumb Up](https://cdn.quiltingboard.com/images/smilies/thumbup.png)
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