Parts and Functions of a Lockstitch Sewing Machine Flashcards
Is the part that holds the spool of thread in place
Spool pin
Holds the upper thread in place from the spool to the needle
Thread guide
Is a lever that moves the thread up and down to form and tighten stitches
Thread take-up lever
Is a round, metal plate where the thread is passed and regulated by tightening and loosening to create a perfect stitch.
Tension regulator
Is a part that gibes access to the oiling points on the needle bar, presser bar, and thread take-up lever.
Face plate
Holds the material in place while running the sewing machine.
Presser foot
Holds the presser foot
Presser bar
Is a lever attached to the presser bar used to raise and lower the presser foot.
Presser bar lifter
Is a screw to keep the needle in place in the needle bar
Needle clamp
Is the vertical bar to which the needle is attached
Needle bar
Is the instrument that carries the upper thread through the fabric to complete the stitch.
Needle
Is situated directly underneath the presser foot and throat plate, moving the cloth forward while sewing.
Feed dog
Is the plate directly under the presser foot through which the needle passes.
Throat plate
Is a flat that provides access to the bobbin case and other parts of the lower thread mechanism without lifting the sewing machine
Slide plate
Is the mechanism used to wind the thread on the bobbin.
Bobbin winder
Controls the length of the stitches. It can also be set to stitch in reverse in case of reinforcing stitches
Stitch regulator
Is located at the right of the head, driven by the belt.
Balance wheel
Hold the bobbin and contains mechanism that controls the tension of lower thread.
Bobbin case
Holds the lower thread
Bobbin
Drives the band wheel when operated by the feet in the case of pedal-driven dewing machine.
Treadle
Is used for electric-driven sewing machine. It controls the speed of the sewing machine.
Foot controller
