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  • Why are my straight stitches slanted?

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    Old 01-31-2019, 02:56 PM
      #41  
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    none of this answered my question of crooked stitching. I have the better threads (Gutterman/Mettler) and bobbins are threaded from the spool, so they match. Do I just have to live with this and just have people think my stitching is bad
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    Old 02-01-2019, 07:09 PM
      #42  
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    For those of us who only look at this area of QB, or very rarely venture to other areas, I thought I would reply here. I found another thread in the main section that tmcarvelli started in the main section and found that the machine in question is a Brother xr3774. While reading that thread I found a post that QuiltingVagabond posted linking to http://www.shop.sew-classic.com/medi...20Stitches.pdf Of course, those of us who have straight stitch only machines and use the correct types and sizes of needles and threads know what a beautiful straight stitch is made.

    Janey - Neat people never make the exciting discoveries I do.
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    Old 02-02-2019, 04:30 AM
      #43  
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    Originally Posted by tmcarvelli
    ...Do I just have to live with this and just have people think my stitching is bad
    No you don't. What type of machine do you have? Janey sums it up too; It has mostly to do with getting tension right and matching needle and thread size to a suitable combination as well as to the fabric. Sharp point needles give the straightest stitching, ball point needles tend to slide between the threads in the weave (They are made to behave this way). Some machines don't handle top stitch weights well, but most of the vintage models do fine.

    Another factor can be cleaning and oiling, on an old machine you sometimes have to do an extra thorough cleaning in the bobbin and feed dog area. A smooth running mechanism will help the feed dogs movement and stitch lenght setting. The easiest thread to get right is Gütermann sew-all polyester, it's ideal for test sewing and tension setting as well. It's strong and works on most fabrics. Other threads I like are good quality mercerized cotton. I use top stitch and extra strenght threads too, and I usually have to adjust bobbin tension going from one thread weight to another.

    I think everything has been mentioned but to sum up the general:

    1. Matching thread weight and needle size to each other and to the fabric you are working with.

    2. Regular maintanance; clean bobbin area; take out the bobbin case, race and hook. Clean the feed dogs under the needle plate. Oil the machine, everything runs smoother after a cleaning and oiling. Scrape corners and grooves clean with a tooth pick or cocktail pin.
    .
    3. If you are very picky you need to do a bit of testing; correct tension and needle size will get the two threads to interlock perfectly in the middle of the fabric layers. It will make each stitch form in a straight line. It's a bit trickier with light weight fabrics and few layers, but it's still mostly about getting the right needle and thread for the job.

    4. Sewing a straight seam is usually easy, but some fabrics can be a challenge (slippery velvet, stretchy jersey blends,...). The trick is to always iron fabric before you start working with it, steam press seam folds, and keep your machine clean and well oiled. Using a fabric guide can help keep a straight line, but for many jobs your eye is enough. Do a bit of test sewing and you will get to know your macine. If you are new to sewing all you need to do is practise a bit.

    I think it's all mentioned earlier in the thread, but keep these things in mind when you run into trouble. It get's repetitive, but go through the basic steps and you will get fine results.

    Last edited by Mickey2; 02-02-2019 at 04:38 AM.
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    Old 02-02-2019, 04:58 AM
      #44  
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    In addition to the above steps, you could try adjusting the presser foot pressure heavier or lighter and see if that makes any difference.
    MJ
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    Old 02-02-2019, 05:27 AM
      #45  
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    Originally Posted by MJTX
    In addition to the above steps, you could try adjusting the presser foot pressure heavier or lighter and see if that makes any difference.
    MJ
    Unfortunately the Brother xr3774 (that tmcarvelli has) doesn't have that adjustment - at least not that I could find in the manual.

    Janey - Neat people never make the exciting discoveries I do.
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    Old 03-01-2019, 07:18 AM
      #46  
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    Originally Posted by Mrs. SewNSew
    Tammi, I'm not sure about the thickness. Call me an idiot but I generally just grab a spool of thread and am happy if the color matches! I've only recently started noticing that some are cotton and some are polyester threads but have never really looked at the thickness. Some of the older spools I have don't even have the label stuck on anymore.

    I've gotton so many spools of thread when picking up machines that I now try and sort what seems thicker to one area. Most of them all feel the same to me! If I get a lot of breakage with a thread I double check the bobbin, the needle and the guides for rough spots and if none are found the spool is considered too old and dumped in the trash.

    Both the bobbin and the top threads on this machine read cotton/poly blends but I can't find where it states a thickness. ?? Should it say on the spool?
    I have a thread about this on the Main forum -- thread weight is supposed to be important, but most of the ads I have seen do not say what weight they are, and the spools I have "inherited" do not say on their labels!
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    Old 03-01-2019, 11:01 AM
      #47  
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    Regarding thread weights, you can go by comparing sizes and width, and it doesn't have to be very scientific. You need a rough idea of sew all weight polyester, equivalent mercerised cotton and top stitch weights. They tend to differ a bit from brand to brand, and even within the same brand there tend to be several threads to choose from for much the same purpose. There's two strand thread, three strand thread, thread with more or less fuzz, some are with out. Having a bunch of spools to choose from is luxury. The only thing about old thread is if it's stored bad, it can go weak (just make a snap test between two hands) and even get dirty sometimes. A bag of old threads are usally like new, nylon and polyester last "for ever".
    Finding a matching needle to the thread is relatively easy, there is generally a range (a few sizes) that work well with the thread, and you can adjust it to the fabric.
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