The drilling machine is one of the most important machine tools in a workshop. As regards its importance it is second only to the lathe, Althrough it was primarily designed to originate a hole, it can perform a number of similar operations. In a drilling machine holes may be drilled quickly and at a low cost. The hole is generated by the rotating edge of a cutting tool known as the drill which exerts large force on the work clamped on the table. As the machine tool exerts vertical pressure to originate a hole it is loosely called  a "drill press".


Drilling machines are made in many different types and sizes, each designed to handle a class of work or specific job to the best advantage.
The different types of drilling machines are:
1. Sensitive drilling machine
2. Portable drilling machine
3. Radial drilling machine
4. Gang drilling machine
5. Multiple spindle drilling machine
6. Automatic drilling machine
7. Deep hole drilling machine

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