Working of a washing machine.

Parts of a Washing Machine

There are several parts of washing machine, let us see one by one – this will also help us understand the inner workings of the washing machine and how it wash the clothes.

1) Water inlet control valve: Near the water inlet point of the washing machine there is a water inlet control valve. When you put the clothes in washing machine, this valve will opened automatically and it closes automatically depending on the total quantity of the water required. The water control valve is actually the solenoid-operated valve.

2) Water pump: The water pump circulates water through out the washing machine. It generally works in two directions, recirculating the water during wash cycle and draining the water during the spin cycle.

3) Tub: There are two types of tubs inside the washing washing machine: inner and outer. The clothes are loaded in the inner tub, where these are washed, rinsed and dried. Inside the inner tub there are small holes for draining the water. The outer tub covers the inner tub and supports it during various cycles of clothes washing.

4) Agitator or rotating disc: The agitator is situated inside the tub of the washing machine. It is the main part of the washing machine that actually performs the cleaning operation of the clothes. During the wash cycle, the agitator rotates continuously and produces strong rotating webs within the water due to which the clothes also rotate inside the tub. The rotation of the clothes with water containing the detergent enables the removal of the dirt particles from the fabric of the clothes. Thus the agitator produces most important function of rubbing of the clothes with each other as well as with water.

In some washing machines, instead of a long agitator, there is a disc that contains blades on its upper side. The rotation of the disc and blades produce strong webs within the water and the rubbing of clothes that helps in removing the dirt from clothes.

5) The motor of the washing machine: The motor is coupled with the agitator or the disc and produces rotation. These are multi-speed motors, whose speed can be changed as per the requirement. In the fully automatic washing machine the speed of the motor i.e. the agitator/disc changes automatically as per the load on the washing machine.

6) Timer: The timer helps to set the wash time for the clothes manually. In the automatic mode, the time is set automatically depending upon the number of garments inside the washing machine and the type of wash cycle being performed.

7) Printed circuit board (PCB): The Printed circuit board (PCB) comprises the various electronic components and circuits which are programmed to work in unique ways depending on the load conditions (the condition and the number of clothes loaded in the washing machine). They are sort of artificial intelligence(AI) devices that sense the various outer conditions and make the decisions accordingly. These are called fuzzy logic systems. hence the PCB will calculate the total weight of the clothes, and find out the requirement water and detergent quantity, and the total time required for washing the clothes. After that they will decide the time required for washing and rinsing.

8) Drain pipe: The drain pipe enables draining the dirty water from the washing that has been used for the washing purpose.


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