Parts and Function of Sewing Machine

Garments Technology

1. HE 211- Advanced Garments and Fashion Technology PARTS AND FUNCTIONS OF LOCK STITCH SEWING MACHINE Reporters: John Lenon L. Mendoza Mea Jean I. Caminoy

2. Sewing machine 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. 

3. Sewing machine Sewing machine makes a basic running stitch the same way, with two sources of  thread . The top needle takes the thread down into the fabric. It is caught and looped via the bobbin apparatus and then pulled back up. The ‘‘feed dog’’ moves it along and the next stitch begins. Every operation is continued again and again . http :// fashion2apparel.blogspot.com/2016/12/parts-sewing-machine-function.html

4. Parts of sewing machine and their functions:   There are two major parts of the sewing machine. One is upper part and other is lower parts. The upper part contains of Head, Arm and Bed. The lower part contains of Band Wheel, Band Wheel Crank, Pitman Rod, Belt Guide, Belt Shifter, Dress Guard, Treadle, Legs. 

5. Upper parts of sewing machine and their function  

6. Upper parts of sewing machine and their function  The Upper Parts is composed of: 1 . Head is the complete sewing machine without a cabinet or stand.

7. Upper parts of sewing machine and their function  The Upper Parts is composed of: 2. Arm is the curve part of the head containing mechanism for operating the needle.

8. Upper parts of sewing machine and their function  The Upper Parts is composed of: 3. Bed is the flat portion of the machine and beneath is the feed dog where it is mounted, and the shuttle and lower thread are placed.

9. Parts of the Sewing Machine in the Arm 1. Spool Pin is the thread holder.

10. Parts of the Sewing Machine in the Arm 2. Thread Guide keeps the thread in position .

11. Parts of the Sewing Machine in the Arm Thread Take up Lever releases the thread and interlocks with the bobbin thread.

12. Parts of the Sewing Machine in the Arm 4. Presser bar lifter moves the presser foot.

13. Parts of the Sewing Machine in the Arm 5. Tension controls the looseness and tightness of stitches.

14. Parts of the Sewing Machine in the Arm 6. Needle Bar holds the needle in place.

15. Parts of the Sewing Machine in the Arm 7. Needle Clamp holds and tightens the needle.

16. Parts of the Sewing Machine in the Arm 8. Presser Foot holds the fabric in place while sewing.

17. Parts of the Sewing Machine in the Arm 9. Needle is a slender tool attached in the needle clamp used for sewing.

18. Parts of the Sewing Machine in the Arm 10. Bobbin Winder controls the bobbin while winding thread.

19. Parts of the Sewing Machine in the Arm 11. Stitch regulator checks the length of the stitches.

20. Parts of the Sewing Machine in the Arm 12. Balance Wheel sets the mechanism in motion.

21. Parts of the Sewing Machine in the Arm 13. Belt connects the balance wheel to the drive wheel.

22. Parts of the Sewing Machine in the Arm 14. Stop Motion Screw hinders moving when loosened and starts

23. Parts of Sewing Machine under the Bed

24. Parts of Sewing Machine under the Bed 1. Feed Dog moves the fabric while sewing.

25. Parts of Sewing Machine under the Bed 2. Throat plate is the windows of the feed dog and it is where the bobbin threads come out.

26. Parts of Sewing Machine under the Bed 3 . Slide plate is a movable plate that covers the shuttle and bobbin case.

27. Parts of Sewing Machine under the Bed 4. Shuttle holds the bobbin case while sewing.

28. Parts of Sewing Machine under the Bed 4. Shuttle holds the bobbin case while sewing.

29. Parts of Sewing Machine under the Bed 5. Bobbin is a metal spool for winding thread.

30. Parts of Sewing Machine under the Bed 6. Bobbin Case holds the bobbin.

31. The Lower Parts of the Lock Stitch Sewing Machine

32. The Lower Parts of the Lock Stitch Sewing Machine The lower parts of the sewing machine are the cabinet and the stand. The cabinet has drawers and screw on the hinges for the attachment of the head.

33. The Lower Parts of the Lock Stitch Sewing Machine 1. Band Wheel leads the balance wheel through the belt connection.

34. The Lower Parts of the Lock Stitch Sewing Machine 2. Band Wheel Crank moves the band wheel.

35. The Lower Parts of the Lock Stitch Sewing Machine 3. Pitman Rod holds the treadle to band wheel crank.

36. The Lower Parts of the Lock Stitch Sewing Machine 4. Belt Guide holds the belt to its place.

37. The Lower Parts of the Lock Stitch Sewing Machine 5. Belt Shifter removes the belt from the wheel.

38. The Lower Parts of the Lock Stitch Sewing Machine 6. Dress Guard protects the dress from the wheel.

39. The Lower Parts of the Lock Stitch Sewing Machine 7. Treadle is where the feet are stationed to drive the band wheel through the pitman rod.

40. The Lower Parts of the Lock Stitch Sewing Machine 8. Legs support the cabinet of the machine.

41. The Lower Parts of the Lock Stitch Sewing Machine 9. Cabinet holds the head of the machine by interlocking screw on the hinges.