The document summarizes the different parts of a sewing machine. It lists 19 key parts including the spool pin, bobbin binder spindle, stitch width dial, pattern selector dial, hand wheel, stitch length dial, reverse stitch lever, power switch, bobbin winder thread guide, thread tension dial, thread take-up lever, needle clamp screw, presser foot, bobbin case, bobbin case release button, feed dog, needle, and needle plate. It then provides a brief description of the function of each part.

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Different parts of sewing
machine
Presented By :
Toymur Islam tonmoy
ID :191-187-101
Presented to :
Md.Golam Robbani
Lecturer,
BUFT

2. What is Sewing Machine
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A sewing machine is a machine which is mechanically driven
needle used to stitch materials together with thread. It is
designed to join pieces of fabric or leather by means of either a
lockstitch or a chain stitch.

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Different parts of sewing machine
1.Spool pin,
2.Bobbin binder spindle,
3.Bobbin winder stopper,
4.Stitch width dial,
5.Pattern selector dial,
6.Hand wheel,
7.Stitch length dial,
8.Reverse stitch lever,
9.Power switch,
10.Bobbin winder thread guide,
11.Thread tension dial,
12.Thread take-up lever,
13.Needle clamp screw,
14.Presser foot,
15.Bobbin case,
16.Bobbin case release button,
17.Feed dog,
18.Needle,
19.Needle plate.

4. Functions of Sewing Machine Parts:
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1. Spool Pin :
Spool pin in a sewing
machine is placed
vertically or horizontally
which actually used for
holding the spool of
threads and this is a
fixed part of a sewing
machine.

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2.Bobbin binder spindle
During winding, bobbin is
placed here.

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3.Bobbin Winder Stopper
When bobbin reaches its
optimum capacity then
bobbin winder stopper
stops the bobbin winding.

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4.Stitch width dial:
The main object of stitch
width dial is to control
the zigzag stitch.

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5. Pattern selector dial:
Pattern selector dial is to set the
symbol of the desired stitch
pattern.

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6.Balance Wheel
Balance wheel is used to
raise and lower the need,
which is situated in the right
side of the machine.
Basically, it is used to run the
machine manually.

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7.Stitch length dial
Stitch length dial
is used to control
the length of the
stitch.

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8.Reverse stitch lever,
It is situated on the front
side of the machine. This is
used for making reverse
stitching while sewing at the
end of every seam to secure
it.

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9. Power switch:
Power switch means the off-
on office of the sewing
machine. Normally power
switch is located at the right
side of the machine.

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If your Bobbin is not winding
evenly, it very well could be
the position of the Tension
Assembly Unit.
10.bobbin winder thread guide

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11. Thread tension dial:
The thread guides are the
metal devices that help
regulate tension. It keep
the thread from getting
tangled and distribute
the tension evenly from the
spool to your fabric.

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12. Thread take-up lever:
During sewing the top thread
passes through the thread
take-up lever. Thread take-
up lever moves up and down
with the needle.

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13. Needle clamp screw:
Needle clamp screw holds
the needle in its actual place.

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14. Presser foot:
Presser Foot holds the fabric in
place while sewing. Presser foot
attach to the machine shank,
which is either “High”, “Low”, or
“Slant”. Attach the appropriate
presser foot for the selected
stitching.

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15. Bobbin Case:
The bobbin case is where the
bobbin lives. It is a device
which hold the bobbin and
provides tension to the lower
thread. As the needle thread
is pulled around bobbin
case, it wraps around the
bobbin thread, and pulls it
up through the needle plate.

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16. Bobbin cover release button:
This type of button is used to
release the cover plate for
entrance to the bobbin.

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17. Feed dog:
During sewing, feed dog
pulls the fabric in forward.

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18. Needle:
Needle is used to form a
stitch in the garments.

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19. Needle plate:
Needle plate is a metal plate
which is situated under the
needle and presser foot. It
helps to move the fabric
forward during sewing.

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