The zig zag stitch on my necchi 6011 is not smooth. It puckers or is irregular and does not look good on the top side. i feel like I have tried everything. Please HElp
If your stitches do not look good on the top side you have a problem with the bottom thread. make sure you have the correct bottom tension: Is the thread under the bobbin tension plate and when you hold the bobbin and case lightly in your hand the tension should be set in a way that there is little resistance , yet still some, when you pull the thread. After you set your bobbin tension, you may have to adjust your top tension to balance. Also make sure the thread comes off of your bobbin the way your manual tells you, clock or counter clock wise.
Make sure your bobbin (plastic) is not sooooo old, buy a new one.
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It sounds like maybe the bobbin tension is too tight. It is pulling the top thread down to the bottom of the fabric. If you tighten the top tension it causes the fabric to pucker. If you loosen the top tension, more of the top thread will show on the bottom. Correct tension is when the top and bobbin threads meet in the middle of the fabric.
Yes, because a zig zag stitch is creating a wide stitch and the tension on the thread is going to pull the fabric within the seam together, you can't seam thin fabric with a wide zig zag. It will "tunnel together". If you are using this stitch to neaten a raw edge, then try using the serpentine or three step zig zag where the needle pierces the fabric 3 times in each leg of the zig zag, this will give better results.
you start with the broad zig zag stitch bar across the top then you go down the left side using a smaller zig zag stitch then you make the the broad zig zag stitch at the bottom then you make the smaller zig zag stitch on the right side all the way to the top broad zig zag stitch & your done the right side zig zag does not go beyond the top broad zig zag stitch
since you bought the machine at a state sale it would probably be a good idea to have the machine serviced. you should be able to go from straight stitch to zig zag with out any problems. if you move the dials or knob & the machine will not do a straight stitch then it needs to be checked
The bottom stitch is affected by the TOP thread tension :) First go back and make sure your bobbin tension is correct since you adjusted it. It should drop slightly when held suspended by danging it by the thread. If it reels out to the floor it is too loose. If it doesn't drop at all it is too tight.
Now that you have that adjusted look at your top tension. If it is loopy on the bottom side of the stitch the TOP tension is too loose. Increase the top tension.
Now take some scrap material and set machine to a wide zig zag, medium length stitch and sew a bit. Compare the top and the bottom sides of the stitch. They should look identical. Remember the TOP side effects the bottom and the BOTTOM tension effects the top side. Adjust accordingly until they look identical with no loose threads or loops and no puckering (puckering means it's too tight).
make sure the pattern selector is set for straight stitch first. If it is set correct then the machine may be "stuck" is zigzag mode. May need to be de greased and then re lubricated.
i believe your machine is skipping the stitch on the RIGHT side as you sew and this is normally a timing problem. Lower your needle about 1/16 inch and try it . It might work to finish your project but it will need to be serviced to have the timing corrected. sewman7
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