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The needle of the sweater embedding machine is a triangular needle tip. This type of needle is suitable for sewing thick or hard leather materials that require large stitch lengths because of its strong penetration force. There is a needle with a small triangular section at the tip of the needle tip, which is easier to pierce the leather fabric than the ordinary needle. It is commonly used when sewing synthetic leather uppers and PU leather materials. In addition, the needle tip is ground into a square cone. The square needle tip is used similar to the triangular needle tip; the diamond and oval needle tips have a cut and the needle threading direction is perpendicular to the stitch direction; when using these two needles, if the stitch Too dense will cause the incision to expand further, so these two needles are suitable for sewing with large stitch lengths or thick materials (such as thick and long decorative stitches). There are some special types of needles with oval needle tips, which can be combined with specific equipment to understand their applicable occasions.
The sweater embedding machine is different, the stitch form is different, and the needles used are different. For example, industrial sewing machine needles include flat sewing machine needles, interlock sewing machine needles, overlock sewing machine needles, and chain sewing machine needles. From the shape and name, there are single straight needles, double straight needles, three straight needles, hook needles, fur needles, glove needles, button needles (needle needles are more common than needle needles commonly used) Short), curved needles, etc. Most sewing machines use straight needles, and curved needles are mostly used for the processing of dark stitches.