Originally Posted by
quiltsfor
I've heard when you move your quilt/fabric when FMQuilting faster than the needle is going, you can bend or break the needle, so perhaps this is what you are finding.
That's my understanding also. I've used Organ needles in all my machines except the Juki. I just haven't tried them in that yet. I've used Organ and Schmetz needles in all my vintage Singers with no problem and in both my old and new Berninas.