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Knots??? on the back of my fabric....

Knots??? on the back of my fabric....

Old 05-27-2012, 11:34 AM
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Default Knots??? on the back of my fabric....

Ladies,
I so hope you can help. I'm using a Viking Sapphire with a new needle, sewing batiks together. Can you see the knots that are made as I'm stitching? It doesn't seem to be slowing down the machine when it is doing this. I don't feel anything different as I'm feeding the fabric to the needle.

Any wisdom?
Thanks so much!
Attached Thumbnails knots.batiks.jpg  
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Old 05-27-2012, 11:37 AM
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What size needle?
What kind of thread (weight and type (poly or cotton))?

Off the bat ... I'm thinking it may be a thread problem. Have you tried a different thread?
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Old 05-27-2012, 11:43 AM
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The thread is 100% cotton, but a new spool. The needle is a new Schmetz-75/11. Maybe I'll switch the thread. At least I can start there.

Thanks much!
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Old 05-27-2012, 11:46 AM
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If you are using batiks, maybe use a heavier/thicker needle?
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Old 05-27-2012, 12:13 PM
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It looks like a tension issue. With batiks I use the smallest needle , since they are so tightly woven , a larger needle will make a hole in the fibers .
I am not sure if the photo is the top or the bottom , and it also appear that there is a very sight gather happening. Loosen the top tension just a bit.
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Old 05-27-2012, 12:25 PM
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Thanks ladies....I just used the vacuum to clean out the bobbin area. The photo is the back of the fabric. My machine is a Viking Sapphire and sets the tension automatically.

I'm going to try and sew a couple of pieces together again and see how it goes. It didn't do this yesterday, although yesterday was different fabric/thread.

I'll come back after I sew a couple of pieces together.
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Old 05-27-2012, 12:42 PM
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Ok, I sewed using the thread that I started with. I ended up with less knots. I switched the thread back to what I had used yesterday.....no knots.

Crumb...as the "knot" thread is a new very large cone that I bought at a show.

So ladies, how do I go about choosing the correct thread? The knotty thread is 100% cotton, so is the un-knotty (if there is such a word) thread.

Thread knowledge please....

Thanks much~~
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Old 05-27-2012, 02:53 PM
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Looks like tension to me
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Old 05-27-2012, 03:06 PM
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I'll be watching to find out how to get the right thread.
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Old 05-27-2012, 03:21 PM
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What weight is the thread that is causing the knots? If it is thicker--try a larger needle. My guess is that it is a short staple thread and your other thread is a long staple so it's not really knotted--just fuzzier. You can run several lines of sewer's aid down the cone or spool or spray the with silicone lubricant. It will act as a de-frizzer which will keep the auto-tensioner on your machine from freaking out.
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