Parts of Sewing Machine Needle

Different Parts of Sewing Machine Needle:

The different parts of a needle and their functions are mentioned below:

1. Butt
2. Shank
3. Shoulder
4. Blade
5. Long Groove
6. Short Groove
7. Scarf
8. Eye
9. Point
10. Tip

SEWING NEEDLE PARTS

SEWING NEEDLE PARTS

1. Butt

• The end of the needle.
• The butt determine the length of the needle when it is fully inserted into the needle bar of the sewing machine. 

2. Shank

• upper part of the needle.
• may be cylindrical or have a flat side. 
• larger in diameter than the rest of the needle for reason of strength.

3. Shoulder

• Intermediate between shank and the blade.
• It is also called shaft.

4. Blade

• Below the shoulder of the blade to the eye of the needle.
• Longest part of the needle. 
• Accommodates the groove, the eye and the scarf. 
• The blade reduces the fabric resistance as the needle point and its eye passes through the fabric.
• Greatest amount of the friction . 

5. Long Groove

• Slit above needle eye, should be large enough to "cradle" thread for smooth stitches. 
• Provides a protective channel in which the thread is drawn through. 
• A Correctly shaped long groove of a depth matched to the thread diameter, offers considerable protection to the thread. 

6. Short Groove

• It extends a little above and below the eye.
• Its function is to assist in the formation of the loop in the needle thread. 

7. Scarf

• Concave section above the eye of the needle.
• Indentation at back of needle. 
• A long scarf helps eliminate skipped stitches by allowing bobbin hook to loop thread more easily. 

8. Eye

• Hole in end of needle through which thread passes. 
• The hole through which the thread pass.
• Eye is located below the scarf.
• Needle size and type determine size and shape of eye.

9. Point

• · It is the part from the needle eye to the tip.
• · minimizes the damage of the fabric.
• · Also, the proper care should be taken to select the needle point appropriate for fabrics.

10. Tip

• · The ending edge of needle is called tip.
• · It helps to penetrate the needle into fabric without any damage.
• · It helps to create hole in the fabric during sewing.