Friday, June 19, 2009

USE AND CARE OF THE SEWING MACHINE


Parts of a machine and their function :--- The basic parts of a sewing are listed

below most of these parts are stark of .

1 .SPOOL PIN :--- Hold the spool of the thread .

2 .THREAD GUIDE :---Hold the thread in position from the spool to the

needle .

3 . TENSION DISC :---This is a simple mechanism where two

concave discs are put together , with the convex sides facing each

other . The thread passes between the two . The tension of the

thread is adjusted by a spring and a nut . which increases are

decreases the pressure on on the disc .

4 . Take - up lever :----At the out side end of this lever , there is a

small whole through which the thread passes . this lever moves

down to loosen the top thread while the stitch is being found . Then

it moves up and pulls the loop of thread tight to complete

the stitch .

5. NEEDLE BAR :--This is a steel rod which holds the needle at one

end with the help of a clamp .

6.BOBBIN CASE :---This moves in to position to catch the top thread and form the stitch

as the needle is lowered in the bobbin chamber .

7. PRESSER FOOT :--This moves in to position to catch the top thread and form the stitch

as the needle is lowered in the bobbin chamber .

8 .PRESSERFOOT LIFTER :--This is a lever attached to the presser bar for

raising and lowering the presser foot .

9. STITCH REGULATER :---This controls the length of the stitch . some

regulaters can be set to stitch in reverse .

10 . BOBBIN WINDER :---This helps the winding of thread on the bobbin , some are made to

stop automatically when the bobbin is full .

11.FLY WHEEL :---When this is made to revolve it works the machanisam of the machine .

12. CLUCH OR THUMB SCREW :---This is in the centre of the fly wheel and it engages and disengages the stitching

machanisam .

13.SLIDE PLATE :--This is a rectangular plate which can be slide open to

remove or to put in the bobbin case .

14. NEEDLE PLATE :---This is a semi circular plate with the whole to allow the needle to

pass through .

15. FEED DOG :---This consists of a set of teeth fitted below the needle plate . it

helps the cloth move forward while sewing .

16. FACE PLATE :---This is a cover which when remove gives axis oiling on needle bar , presser bar and take -up - lever .

17 .SPOOL PIN OR BOBBIN WINDING :---Spool of thread is placed on this at the time of winding the bobbin .

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