SEWING MACHINES AND TYPES

SUBJECT: HOME ECONOMIC

TERM: THIRD TERM

WEEK: WEEK 2

CLASS: PRIMARY 6

DURATION: 40 MINUTES

TOPIC: SEWING MACHINES AND TYPES

UNITS:

Types of sewing machine
Parts and functions of sewing machine
Advantages of the sewing machine

PERFORMANCE OBJECTIVES

At the end of this discussion in this Module, children should be able to know the:

Types of sewing machine
Parts and functions of sewing machine
Advantages of the sewing machine

TEACHING AND LEARNING MATERIALS

Sewing Machine
Apron
Cap
Bag
Hand needle
Fabrics
Tailor chalk
Pins
Scissor
Threads of different colours
Whiteboard/Chalkboard
Explanatory posters/pictures
Explanatory videos

TEACHING AND LEARNING METHODS

Explanation
Discussion
Questions and answers
students will be taking the school Home Economic Laboratory for practical

REFERENCE MATERIALS

NERDC Basic Education Curriculum.
Universal Basic Education Curriculum (UBE)
Lagos State Home Economic Scheme of Work.
Online Materials.
Home Economics for Primary Schools.

MODULE CONTENT

A sewing machine is a textile machine used as a home appliance for sewing.

Types of sewing machine

The different types of sewing machines are:

Mechanical or domestic sewing Machine
Electronic sewing machine
Computerized sewing machine
Embroidery sewing machine
Overlock sewing machine

PARTS AND FUNCTION OF SEWING MACHINE

Below are some basic parts and functions of a sewing machine.

Spoon pin: it is used to hold the spoon of thread in the pin on the top of the machine
Needle bar: it holds the needle at one end with the help of a clamp. It is a steel rod
Bobbin winder: it makes the winding of thread on the bobbin easier. Some bobbin winder stops itself when the bobbin is full.
Thread guides: it Hold the thread in position from the spool to the needle.
Thread Tension dial: it is used to control tension on the thread
Needle bar: it is used to holds the needle at one end with the help of a clamp. It is made of a steel rod.
Bobbin case: as the needle is lowered into the bobbin chamber it moves into position to catch the top thread and form the stitch.
Stitch regulator: it controls the length of the stitch. Sometimes regulators can be set to stitch in reverse.
Flywheel: the machine will starts working will when it rotate.
Needle: it is used to form a stitch in the garments
Presser foot: it holds the cloth firmly in position when lowered and it is attached to the presser bar.
Presser foot lifter: This is a lever attached to the presser bar. It is use for raising and lowering the presser foot.
Slide plate: it is a rectangular plate, it can be slid open to remove or put in the bobbin case.
Needle plate or throat plate: This is a semicircular plate with a hole. It allow needle to pass through it and collect the bobbin thread.
Face plate: it is a cover which when removed gives access to the oiling points on needle bar, presser bar and thread take-up lever.
Clutch or thumb screw: it engages and disengages the stitching mechanism. It is in found in the centre of the flywheel.
Feed dog: It helps to move the cloth forward while sewing and it consists of a set of teeth fitted below the needle plate.
Belt: it is commonly made out of leather, but a cloth Tape, Nylon wire or any other strong rope can also be used to replace it when it is bad.
Pedal: When press with foot, the machine works and it is made out of iron.
Thread take up lever: the top thread passes through the thread take up lever during sewing.