Lesson_TREADLEsewingmachine

ome
conomics &
ivelihood
ducation

Teacher Ivy Lobramonte

ducation

H
E
L
E

Grade

SEWING MACHINE

TWO TYPES OF SEWING MACHINE and ITS PARTS

   II. TREADLE SEWING MACHINE
      - is run by foot and is controlled by a rotary wheel. Any adjustment like    the tension or the length or width of the stitch is made by moving a dial


              Three Major Parts of a Treadle Sewing Machine
     A. CABINET
            -holds one or several drawers, an extension leaf and a center drawer. It is used for storing or keeping important sewing materials, especially those that does not fit your sewing box.


B. UPPER PART
            - it is the upper metal part which holds other important mechanisms of the sewing machine

                 1. ARM
                          - used to carry the whole part.
                      1.1. Spool pin � holds the spool of thread.
                      1.2. Bobbin � holds the lower thread. It is found directly below the presser foot.
                      1.3. Bobbin winder � winds thread in the bobbin which is used for lower threading.
                      1.4 Balance wheel � makes the needle and the bobbin of the machine run.
                       It is the part you move first when you start sewing to make sure the sewing
                       machine runs properly,
                       on a clockwise direction.
                      1.5 Stop motion knob- used to release or tighten the movement of the needle bar.
                                          It is located at the center of the balance wheel.
                      1.6. Belt � connects the balance wheel and the drive wheel.
                      1.7. Stitch regulator � controls or determines the size or length of the stitches.
                      1.8. Feed regulator lever � controls the forward and backward motion ( atras- avante)
                                         of the cloth being sewn

                     2. HEAD
                         2.1 Thread take-up lever � moves the thread up and down, thereby creating tension in the thread
                         2.2 Thread guide � guide the upper threading of the sewing machine.
                         2.3 Presser foot � holds the fabric against the feed dog. It is found at the foot of the presser bar.
                         2.4 Presser bar � holds the presser foot and needle.
                         2.5 Presser bar lifter � lowers and raises the presser foot.
                         2.6 Feed dog � moves the material as it stitches. It is found directly below the presser foot.
                         2.7 Feed dog regulator � used to adjust the height of the feed dog, ready for sewing
                         2.8 Upper tension � regulates the tightness or looseness of the stitches. It is found in the middle of the face plate.
                         2.9 Face plate � covers the left end head on which the needle bar and thread take-up lever are located.
                         2.10 Needle clamp � holds the needle in place

                   3. BED
                           � base of the sewing machine. It rests normally on the wooden frame of the sewing machine
                        3.1 Shuttle � holds the bobbin and bobbin case in place. It is where the inner threading starts.
                        3.2 Slide plate � covers the part where the bobbin and the bobbin shuttle are.
                        3.3 Throat plate � gives the needle access to the lower thread through the feed dog.
                                     It is found directly under the needle.

      C. STAND
                     1. Treadle � where the feet rests while sewing. It puts into motion the drive wheel.
                      2. Drive Wheel � drives the balance wheel
                      3. Belt Guide � holds and keeps the belt in place.
                      4. Drive Wheel Crank � turns the drive wheel.
                      5. Pitman Rod � connects the treadle to the brand wheel crank.
                      6. Legs � supports the stand.