Parts of Sewing Machine Needle with Their Function

Parts of Sewing Machine Needle with Their Function:

The sewing machine is one of the most important pieces of equipment in the readymade garments sector. To get fault-free garments from the sewing department, every garments production personnel should know the anatomy of the sewing m/c needles with the parts of the sewing machine and their functions. As its importance in garments manufacturing industries, today I will identify here all the parts of the sewing machine needle with their functions.

Sewing Machine Needle (Front View)

Fig: Sewing Machine Needle (Front View)


Different Parts of Sewing Machine Needle with Their Functions:

A sewing machine needle contains the below parts:

  1. Butt,
  2. Shank,
  3. Shoulder,
  4. Blade,
  5. Long groove,
  6. Short groove,
  7. Needle eye,
  8. Scarf,
  9. Point,
  10. Tip.

All the above parts have explained in the following:

1. Butt:

The starting part of the bottom edge of the needle can be made by a predetermined shape. Butt helps for easily attaching the needle with the needle bar or clamp of the sewing machine.

2. Shank:

Shank is the bottom part of the sewing needle which is tied in the needle bar. It may be flat or cylindrical on one side. Shank is wider than the remaining parts of the needle and works as support of the needle.

3. Shoulder:

The shoulder is the part between the shank and blade of the sewing machine needle. When the needle penetrates through the fabric to reach its lowest position then the shoulder also penetrates through the fabric. As a result, t reduces the friction between fabric and needle by producing a wider hole on fabric.

4. Blade:

The blade is the part from needle eye to shoulder. It is the longest part of the needle and maximum friction with fabric takes place in this area. The blade is gradually tapered to the tip.

5. Long groove:

A long groove is a long and thin groove in the blade from shoulder to needle eye. Sewing thread takes place in this groove during up and down of sewing machine needle through the fabric in sewing time, thus reduce the friction between needle, fabric, and sewing thread. There is a lower possibility of the damaging thread due to friction.

6. Short groove:

A short groove is placed on the side of the needle where the hook or looper is placed. It is a small groove between the tip and the needle eye. A short groove helps the sewing thread to create a loop.

7. Needle eye:

The hole which is situated in front of the needle is called the eye. It is a small slot between a long and short grove of the needle. The needle eye holds the needle thread and helps to create a loop. The inside edge of the needle eye is most important especially when the needle passes through the fabric. Because there is a possibility of damaging the thread.

8. Scarf:

The scarf is a curved slot near the eye. It helps to close the setting between the looper and needle. As a result, it is easy to catch the needle loop by the hook or looper.

9. Point:

Point is the part from the needle eye to the tip. It helps to penetrate the needle into the fabric without any damages. Also, proper care should be taken to select the needlepoint appropriately for the fabrics.

10. Tip:

The ending edge of the needle is called the tip. Tip helps to penetrate the needle into the fabric without any damages. It helps to create holes in the fabric during sewing the clothing.

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