Bobbin Thread Breaking
#1
Junior Member
Thread Starter
Join Date: Apr 2011
Location: New Stanton
Posts: 127
Bobbin Thread Breaking
I am quilting on a Little Gracie Frame with a Janome 1600 PDB. I think it's a B, lol. It quilted fine to do the one border. Ran out of bobbin thread. Replaced it, now it will only quilt for a few seconds and the bobbin thread breaks. Changed bobbins, same thing. Oiled, cleaned etc. same thing. So I adjusted my tension on the bobbin case, it became really loose. As I was pulling while it was loose, the thread tightened up and broke. Tried again, it was supper loose, pulled about a yard out and it got real tight and broke. What causes this? Do these cases go bad?
#5
Junior Member
Thread Starter
Join Date: Apr 2011
Location: New Stanton
Posts: 127
I am actually sitting here in the l.r. With the bobbin and bobbin case in my hand. It is no where near my machine. So it isn't the machine. The metal thing the bobbin goes in, is what I am calling the case, not sure of that is right or not. The bobbin is over half way empty because I keep pulling and breaking the thread. It is weird.
#8
Power Poster
Join Date: Dec 2010
Location: Michigan
Posts: 11,276
Yes. What you have in your hand is called the bobbin case. There's a spring that the thread goes under. Check this area for lint. When the thread breaks, what exactly happens? Pull the thread until it starts to get tight, but before it breaks and see if you can figure out exactly what is catching the thread. Does it look like the thread just gets caught under the spring? Another thing that snaps the thread is backlash. The thread gets wrapped around the spindle in the bobbin case.
#10
Super Member
Join Date: May 2011
Location: Pacific NW
Posts: 9,563
Have you tried a completely different bobbin? I have one metal bobbin that looks exactly like all the rest, and my machine does not like it, it makes a horrible noise. I have a friend who dropped one of her bobbins and must have put in a microscopic dent in it somewhere.
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10-06-2011 10:06 PM