Parts of the Sewing Machine

1. Parts of the
Sewing Machine

2. The sewing machine parts should be studied
well in order to maximize their use. To be able to
operate the sewing machine you must be able to
identify the functions of each of the parts.

3. The three important parts of the sewing
machine are the cabinet, head, and stand.

4. The cabinet holds one or more drawers, an extension leaf and a center
drawer. These are used for storing and keeping important sewing materials
especially those that do not fit inside the sewing box.
Cabinet

5. The head is the upper metal part which holds the important mechanisms of
the sewing machine.
Head

7. 1. Arm- carries the whole part. Holds the important mechanism
inside and carries the trade mark.
2. Spoon pin- a metal that holds the spool of thread found on
top right of the arm.
3. Thread guide- guides the upper threading of the sewing
machine.
4. Tension regulator- an adjustable disc which regulates the
looseness and tightness of the stitches.

8. 5. Thread take-up lever- the lever through which the upper thread
passes which moves up and down as the machine is operated.
6. Needle bar- holds the needle in place.
7. Needle- a thin metal shaft attached to the needle bar with an eye
and is pointed on the other end. It is held by a clamp.
8. Needle clamp- holds the needle in place. It can be loosened and
tightened when removing and attaching the needle.

9. 9. Presser bar- holds the presser foot.
10. Presser foot- holds the fabric in place while sewing.
11. Presser bar lifter- raises and lowers the presser foot.
12. Face plate- a metal plate which covers the left end head
13. Throat- where the needle passes and where the lower thread
comes out while sewing.

10. 14. Throat plate- a stainless plate that covers the feed dog.
15. Feed dog- a teeth-like metal found under the presser
foot that moves the fabric while sewing.
16. Slide plate- a stainless plate that covers the shuttle and
bobbin case.
17. Bobbin- a round metal disc that holds the thread for the
lower threading.

11. 18. Bobbin case- the container that holds the bobbin in
place.
19. Shuttle – holds the bobbin and the bobbin case in place.
20. Bobbin winder- located just above the stitch regulator
used to wind the thread around the bobbin.
21. Stitch regulator- located at the right side of the arm,
regulates the length of the stitches.

12. 22. Stop motions crew- a knob located at the center of the
balance wheel which is used to release and tighten the
needle bar.
23. Balance wheel – starts the operations of the sewing
machine in coordination with the drive wheel.

13. The stand carries the bed and the head of the sewing machine. It consists of
the following parts:
Stand
1
6
5
4
3
2

14. 1. Drive wheel- drives the balance wheel through the
belt.
2. Belt guide- an indention in the drive wheel that keeps the
belt in place.
3. Drive wheel crank- turns the drive wheel.

15. 4. Pitman rod- a metal rod that connects the treadle and
the drive wheel crank.
5. treadle- foot operated platform used to run the machine.
6. Legs- used to support the stand.

16. End of the Slide!