After years of pretending I had a clue about sewing and thinking my sewing machine was broken (which it may be or I might just be worse that I thought) I bought a very cheap mini machine just to sew basic stuff. Anyway i have made one thing and bammo this machine is doing what my old one did. Basically i am sewing thin material using the normal basic stitch. This new machine has no settings it just does the basic stitch. It was all set up when I got it and all I had to do was plug it in.
The problem, the bobbin thread keeps bunching up in the fabric. Top thread fine but I have 'clumps' of the otehr thread in the material.....any ideas?? Cause Im about to turf it in the rubbish too
sounds like the bobbin thread may be wound too loose. Or the tension is out. has your old machine had a service recently? maybe a good service on the old machine will make it brand new again! good luck and i hope it sorts itself out soon
Yep, I was going to say tension too. Is the fabric you are sewing very thin? I find mine tends to do this with thinner fabrics. Also try starting your stitiching a little way in, not right on the very edge of the fabric where it can catch.
One more thought, are your bobbins specific to your machine? some machines are more particular about the size of bobbins (i think Singer is one that really like only SInger bobbins)
Sorry, I have no idea. Sometimes when I'm sewing something when I first start sewing I get those clumps on the underside from the bobbin thread too but it seems to fix and sew normally after a two seconds or so. ( not sure if yours does or not) I'm not sure why it did or anything either. I just thought it could have been the material I was using at that time since it doesn't happen all the time.
Again I'm sorry I can't help. I'd also love to know.
xox
Agree with checking tension, putting new needle in & make sure the presser foot is down before you start sewing (!) Also check that you are using good thread as not all thread is created equal.
Also drag out the manual and check you are threading the machine properly. If you miss one of the little hooks it will affect the tension. Likewise, check the bobbin too. Start sewing half a centimeter from the edge and lower the needle manually for the first stitch.
If the fabric is very thin you could add a layer of baking paper or tearaway stabilizer to help with sewing.
Ok, so i followed every single bit of advice and its working! Do I know what fixed it? No, I have no idea but Im leaning toward the tension. Amazing how you know what buttons and knobes are what when you find the manual
Oh i'm so pleased for you...it's all hard won experience here. Now I've graduated onto an even fancier machine that makes fewer mistakes BUT I've paid for it with about a million more buttons to read about in the manual
Sheesh, what am I doing wrong??
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Do I know what fixed it? No, I have no idea but Im leaning toward the tension. Amazing how you know what buttons and knobes are what when you find the manual 
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