Invisible thread use
#11
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Join Date: Dec 2008
Location: Western Wisconsin
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In my ignorance, wound a bobbin with invisible thread -- and then the bobbin would not come off the winder peg. Took the machine in thinking it was the machine's fault! It had created a tension of it's own, and squeezed it too tight to remove.... After hours of unwinding the bobbin was free, free at last!
#14
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Location: Western Wisconsin
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It probably depends on the quality of the thread. When it first came out, nylon thread closely resembled fishing line. The type of nylon thread I use (YLI monofilament) is about .003mm diameter and about as fine as a fine strand of hair. I do think there are some sewing machines -- especially those with plastic bobbin cases in addition to plastic bobbins -- that might wear out faster from using a lot of nylon monofilament, but most machines (including vintage) can handle it just fine.
#15
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is this happening all the time? are you piecing or FMQing when it happens? I have a 6600 and definitely need to adjust my top tension when changing sewing tasks.
#16
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I use YLI Invisible thread for all my quilts. When filling a bobbin, you have to slow down so as not to compress the plastic bobbins to the bobbin winder. I don't try to fill the whole bobbin at one time. I don't have to do any tension adjustment, but do make the stitch slightly bigger.
#17
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Join Date: Sep 2010
Location: Heart of Colorado's majestic mountains!
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Never use nylon anymore! It was never satisfactory to start with because it stretched, messed up the machines and cut the fabric. I like to use Bottom Line thread from Superior to do the things I used to do with polyester monofilament thread. It is a fine polyester thread. I use it on top to stitch in the ditch to anchor my blocks before I do the decorative quilting. It disappears completely after I wash the quilt. I have mixed feelings about using it in the bobbin. It works quite well but I like my quilting to show on the back of the quilt.
#20
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I learned the hard way (2 trips for expensive repair) that if you are using invisible thread -- no matter the brand -- in the bobbin, and you have plastic bobbins, you absolutely have to wind the bobbin slowly -- like at half-speed -- and don't fill it all the way. Maybe half to 3/4 full. When going full speed, heat is generated on the threads which tightens everything up and the bobbin will seize to the bobbin winder spindle. I broke TWO bobbin mechanisms trying to get the bobbin off the spindle. Since slowing down and not totally filling the bobbin, no more problems. Hope this helps.
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