Taunton's Threads - For people who love to sew
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From the pages of Threads magazine Machine-Needle Know-How There are lots of needles to choose from. Ensure a project's success by selecting the right one.
At one time, only one type of machine needle was available to home sewers, and the sole choice involved was size. But today, home sewers can choose from a wide variety of needle types in their quest for trouble-free sewing . Several things can determine the type of needle to pick: the fabric you're using; the thread you've chosen (for example, metallic or embroidery); or the type of stitch you plan (for instance, topstitching or hemstitching). When you're doing regular, not decorative, sewing, the type of fabric determines the shape of the needle's point, and the fabric's weight determines the needles' size.
Tension control, stitch length, foot pressure, and other invisible settings on automatic machines are set for medium-weight fabrics, threads, and needles. If you're a middle-of-the-road sewer, using midweight, woven fabrics, you could be happy using a size 12 universal needle for the rest of your life. But when you want improved stitch quality, learn which specific needles to use for various jobs. See Anatomy of a needle to understand the build of this tiny, but important tool.
Sewing-machine manufacturers want their machines to consistently produce a perfect stitch. So the needle's configuration is engineered to manage thread and fabric to reduce the likelihood of skipped or flawed stitches. Each needle type produces a stitch by using a uniquely designed groove, scarf, eye, and/or point to enable the needle and bobbin hook to meet perfectly (see How a stitch is formed). The chart of Needle types describes their uses, configuration, and how to troubleshoot them. Choose regular needle size by fabric weight When selecting a needle for regular sewing, start with needle size. European needles range in size from 60 to 120, which refers to the diameter taken on the shaft right above the eye. American needles are sized from 8 to 19 in an arbitrary numbering system, and paired with corresponding European sizes: for example, 60/8 or 70/10; the larger the number, the larger the needle. Determine needle size by fabric weight. Choose a size 60/8 needle for lightweight fabrics similar to georgette or organdy; a 70/10 or 80/12 needle for medium-weight jersey, Lycra, linen, or calf leather; a 90/14 and 100/16 for heavy fabrics like jeans, vinyl, upholstery or canvas; and 110/18 or 120/19 for very heavy fabrics. After choosing needle size, match the needle point to your fabric. The needle type and name is usually determined by the characteristics of the needle's point. Thread should pass easily through eye of needle How smoothly the thread pulls though the needle's eye is also a factor in producing even, regular stitches. So if you have trouble threading the needle and problems with the stitches, the thread and needle aren't matched correctly. Lay your thread in the needle’s front groove; it should “snuggle” in. In the end, most sewers just want to get professional-looking results. Knowing more about needles brings you closer to that goal, since needle choice greatly affects your outcome. For every correctly chosen, new needle you put into your machine, you should have eight to 12 continuous hours of trouble-free sewing.
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