Study on Dynamic Anatomy of Sewing Needle Used in Garments Manufacturing

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Name of the Experiment:

Study on anatomy of sewing machine needle used in garments manufacturing.


Considering that precision and efficiency are paramount in garment production, it becomes imperative to understand the intricate details of sewing needles. This report will explore the dynamic anatomy of these needles and the significant role they play in the manufacturing process, starting at their tip to their butt. With a keen focus on garment manufacturing, our goal is to discover the hidden secrets within the tip to butt of sewing machine needles. Our analysis will give us valuable insight into how the needles contribute to the durability and quality of stitched garments by dissecting each component and analyzing its functions. We will explore the anatomy of precision stitching from the needle’s tip, where fabric penetration begins, to its robust butt, where it connects to the sewing machine. Our study encompasses a variety of aspects, including needle materials, sizes, and designs, as well as their impact on the stitching process. In addition, we will analyze the connection between needle selection and fabric types, and how needle anatomy affects stitch formation, seam strength, and overall garment quality. By conducting experiments, collecting data, and analyzing results, we aim to provide a comprehensive understanding of the dynamic anatomy of sewing machine needles and their direct relevance to garment production. This study will provide professionals, researchers, and enthusiasts with insights into needle selection that will help them optimize the efficiency, durability, and aesthetic appeal of stitched garments. As we journey from the tip to the bottom of sewing machine needles, we will unravel their dynamic anatomy and uncover their crucial role in garment manufacturing. Take a look at sewing machine needles and discover how to enhance the garment industry’s productivity and quality.


  1. To learn the names of the different parts of a sewing needle.
  2. To learn more about the different functions of the various parts of the sewing needle.
  3. Investigate the influence of needle sizes and designs on stitch formation and garment quality.

Function of sewing needle:

  1. Accurately penetrates the layers of the fabric in a smooth and controlled manner.
  2. The needle forms stitches when it passes through fabric.
  3. Provides a path for thread to be guided from the spool to the needle’s eye.
  4. Keeps thread tension at the right level during stitching.
  5. Creates stitches by engaging the needle thread with the fabric.

Anatomy of Sewing Needle:

Figure: Sewing needle

Different parts name of sewing needle:

  1. Butt: The first portion or base of a needle is a section that is made in a particular shape, by which the needle can be attached to the needle bar easily and fairly by keeping the needle shape as defined as possible.
  2. Shank: In needles, this is the part of the needle that is attached to the needle bar. The shank may be cylindrical or there may be a flat end on one side. This part of the needle is thicker and stronger compared to the rest of the needle and it serves as a support for the needle as it works.
  3. Shoulder: A shoulder is a part of the shank that connects the blades to the shank. When a needle penetrates the fabric and reaches its lowest bottom destination, it also penetrates the fabric with the shoulder, so that the hole that is made by the needle head is increased, as a result of that shoulder. As the needle comes out of the fabric with needle thread, there will be less friction between the needle and the fabric because the hole will be larger, in addition, the shoulder will strengthen the needle blade.
  4. Blade: It is the blade that extends from the eye of the needle to its shoulder that is the longest portion of the needle, and this is the part of the needle that usually gets in contact with fabrics.
  5. Long groove: From the shoulder of the blade to the eye of the needle, there is a long and narrow slot, referred to as a long groove, in the blade. As the needle thread penetrates the fabric downward, it stays in the gap of the long groove so that there is comparatively less friction between thread and needle. As a result, the thread and needle penetrate the fabric with comparatively less friction. In addition, as a result of less friction, less heat is generated in the needle and the possibility of damaging the needle thread is reduced as a result of friction or temperature.
  6. Short groove: There is a short groove at the same point where the hook or looper is placed on the needle. The groove extends from just above the needle eye to the bottom of the needle and it is responsible for forming the needle thread loop.
  7. Needle eye: The needle has a hole at the tip that is called the eye. It extends from the long groove to the short groove. It is very important to know the inside shape of the needle, especially since it is related to the needle thread being damaged or not when the needle penetrates the fabric, and it is also related to the needle thread forming the right loop. Buldged eyes are needle eyes with a much wider opening than a blade. Buldged eyes act as shoulders, but fine fabrics may be damaged during sewing.
  8. Scarf: Almost above the needle eye, there is a small slot called the scarf. This scarf is used to set the hook or looper closer to the needle so that it can hold the needle thread loop easily.
  9. Point: There is a part of the needle that extends from the eye to the tip known as the point. The needle point is designed in such a way that no damage is caused to the farbic during its penetration. If the needle is not determined properly which needle will be used for which fabric, then it may damage the fabric while it is being sewed.
  10. Tip: An essential part of the needle point is the tip, which is the end below where the needle enters the fabric. It is the tip that determines how well the needle penetrates the fabric.


In the study of the dynamic anatomy of sewing needles used in garment manufacturing, it became evident that this essential tool has an intricate design that provides valuable insights into its intricate details. In order to accomplish high-quality stitching, researchers have studied the complex interactions between sewing needles and fabrics in meticulous detail, revealing how needle design and performance play a major role in achieving high stitching quality. As a student of our teacher, I would like to thank her for her support.

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