……………..Continued

Recap

Radial drilling MachineOperations on drilling machine

1

Unit 4Unit 4Machine Tools Machine Tools

Machine Tools (Basic Elements, Working principle

and Types of Operations)

Lathe Machine – Centre Lathe

Drilling Machine – Radial Drilling Machine

Grinding Machine -Surface grinding, cylindrical grinding, centerless grinding,

Grinding Machine

3

• Grinding is a process of removing the material by the abrasive action of rotating wheel material on surface of work piece.

• Grinding wheel consist of a sharp crystals called as abrasive held together by bonding material.

• Removes only small amount of material hence it is a finishing operation.

4

5

Grinding

6

Grinding Operations cylindrical/Surface Grinding

Horizontal spindle surface grinding M/C

8

Horizontal spindle surface grinding M/C with rotary action

9

Vertical spindle surface grinding M/C

10

Grinding Operations 2. Cylindrical Grinding