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Member since 6/28/12
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Posted on: 4/4/14 7:48 PM ET
I have been working my Juki 2010q for months making all kinds of things from heavily interfaced wallets to dog collars and light dress in between. Now I have hit a road block and I have no clue what happened.
Of course it would be when I'm trying to start making collars for an actual purpose.
My stiches are jumping. I have tried it all. Needle change, thread change, oil, clean, try agian tension more tension blah blah I even ended up on the phone with the place I bought it from and they were NO help. He told me my problem was my interfacing. Has anyone had a problem with their machine and interfacing all the sudden? I'll attach photos, I'm using a 90/14 needle I have tried a leather needle and even a knit needle (I was grasping at straws) my thread is guterman 100% polyester. I'm making a fabric dog collar with 4 layer of cotton fabric and 4 layers of med weight interfacing.
Tell me tell me what I'm Doing wrong. Please ladies.


I don't believe the man on the phone from where I bought the machine because, I sewed an even bigger collars with 8layer or fabric and 8 layers of interfacing and it was fine, made perfect stiches. Now I have messed with it so much I can't even get a nice stich on just a layer of cotton fabric.


So...anyone had a problem with their Jukis and pellon interfacing? Seems stupid to me but I thought if ask




-- Edited on 4/4/14 7:55 PM --
  
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Posted on: 4/4/14 8:05 PM ET
I'm not sure what you mean by jumping--I'm looking for skipped stitches but don't see any. Is it that the stitch line isn't perfectly straight?

Have you tried a size 16, 18, or a denim needle? Either might be good--if I was sewing through that much, I sure wouldn't be using a 14! I use 14 for an average cotton for garment construction, not for heavy weighty and heavily interfaced stuff.

I would also play a bit with the bobbin tension? I know you mentioned upper, but lower might help too. Just make a careful note of the default bobbin tension so you can return it to normal after you're done testing that out.

ETA: Also, try using a needle from a totally different PACK of needles than the one you're using. Sometimes the whole pack will be wonky.
-- Edited on 4/4/14 8:06 PM --
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Member since 6/28/12
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Posted on: 4/4/14 8:58 PM ET
You are correct, sorry, didn't mean a skipped stitch. It seems like it goes 4 or 5 stitches then juts off to the left. Makes a horrible ugly stitch.

I tried all my needles and oddly enough the jean needle didn't help at all, which is why I went back to the 14. BUT I just ordered a bunch of new organ needles in larger sizes (I was trying to use schmetze but I hear they are a no no for juki which may be my problem but I have been able to use them in the past?) I will test that out for sure. I was thinking my needle size had to be off either that or my thread? I'm using just a general purpose thread? Should I be using something larger.

I did end up tightening the bobbin tension ever so much but still haven't found better results but I can try that also. Thanks for the input. I love when I can just zip through things but when something goes wonky I always feel so helpless. No seamstresses in my family.
  
Member since 8/24/02
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Posted on: 4/4/14 9:29 PM ET
I would use a microtex needle, 14 or 16. It has a very sharp point.
At this point you might have gotten the settings out of adjustment, but you can check that out sewing 2 layers of regular fabric.
I would also test the stitch with the fabric and 1 layer of interfacing....it could be something silly, like the glue or the how it fused to the fabric.
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Member since 5/2/09
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Posted on: 4/4/14 9:49 PM ET
You could also just crank down and make as tight as possible your pressure on your pressure foot. That might help a whole lot, particular if you changed it and then now it's hardly pressing down on that fabric at all. But before even doing that, lower your feed dogs down all the way and then bring them all the way back up again. Just to make sure they are all the way up too. You could also try that.
  
Member since 6/28/12
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Posted on: 4/4/14 9:57 PM ET
Tried the microtex needle and I didn't see much improvement but now that I know I need a larger needle I'll give it more of a shot and try to make it work with tension.

I also tried the presser foot tension, didn't see an improvement but I tried all these things one after the other so who knows what I have gotten myself into!

I did NOT check the feed dogs, I like where that's heading. You may have it. I feel like it's something with how the fabric is feeding into it. I don't see it or feel it jump but the way that it seems pretty uniform makes me think something isn't catching or maybe even the thread is snagging on something.
  
Member since 5/28/11
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Posted on: 4/4/14 10:04 PM ET
In reply to Apulliam22
I would try a sharp 14 or 16 and a tight pressure. I go with the suggestions that said to try getting a good stitch on 2 layers first. Since you have tried everything else, I would try a new spool of thread and a new bobbin. Sometimes it is the thread or the way the thread is wound on the bobbin. If the thread is coming off too fast you can use a thread net to slow it down. It is possible that you got a weird spool of thread. I stopped using Guterman as I had problems with it on my machines. Don't know if this helps or not. Hope you get it fixed.
  
Member since 9/5/12
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Posted on: 4/4/14 10:34 PM ET
I would also try something like Sewer's Aid silicone lubricant on the needle. It is possible that the dealer was right about it being something to do with the interfacing, especially if it was a fusible.
Have tried a titanium needle? They might work better on a project like this.
-- Edited on 4/4/14 10:36 PM --
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Member since 6/28/12
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Posted on: 4/4/14 10:39 PM ET
Thanks everyone, every suggestion helps. My next trip to a local quilting store I will be buying another brand of thread.
  
Member since 8/4/13
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Posted on: 4/5/14 9:06 AM ET
In reply to Apulliam22
Quote: Apulliam22
Thanks everyone, every suggestion helps. My next trip to a local quilting store I will be buying another brand of thread.

That's a very good idea. I've been having trouble stitching straight stitches on knit fabrics. Everything looked like a sloppy zig zag stitch. Tried all sorts of fixes. When I switched my thread from one polyester to another polyester (same brand, different type) the problem was solved.

Good luck!
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