Farm Power & Machinery

Mould board plough

A mould board plough is very common implement used for primary tillage operations and is shown in plate : 12.2.



Plate : 12.2 Two bottom fixed Mould board plough

The main functions of mould board plough are:

• Cutting the furrow slice
• Lifting the soil
• Turning the furrow slice
• Pulverizing the soil.

Components of mould board plough

A mould board plough consists of the different parts like Share, Mould board, Land side, Frog and Tail piece.
The different parts of mould board plough are shown in Fig. 12.1

1. Share: It is that part of the plough bottom which penetrates into the soil and makes a horizontal cut below the surface.
2. Mould board - It is the curved part which lifts and turns the furrow slice.
3. Land side - It is the flat plate which bears against and transmits the rear side lateral thrust of the plough bottom to the furrow wall.
4. Frog - It is the part to which other components of the plough bottom are attached.
5. Tail piece - It is an adjustable extension, which can be fastened to the rear of a mould board to help in turning a furrow slice.


Fig. 12.1. Components of Mould Board plough