Gear & types of gear

Gear & types of gear

Gear -

Something Two or more gear are made to mesh with each other to transmit power from one shaft to another .such a combination is called gear train .

Types of gear train 

1.Simple gear train 

2.Compound gear train

3.Reverted gear train 

4. Epicyclic gear train 

1.Simple gear train 

When there is only one gear on each shaft . It is know as simple gear train  The gear  are represented by their pitch circles .

2. Compound  gear train -

When there are more than one gear on a shaft .It is called a Compound gear train .

3. Reverted  gear train -

When the axes of the first gear and the last gear are co-axial then the gear train is known as reverted gear train .