Machining = Chip formation by tool

Types of chips

Discontinuous chips Continuous chips

• Turning• Boring• Milling• Planing• Shaping• Broaching• Drilling

• Filing• Sawing• Grinding• Reaming• Honing• Tapping

List of Machining Processes

• Cutting processes– Single point: e.g. shaping, planning, turning, boring, etc.– Multiple point: e.g. milling, drilling, etc.

• Abrasive processes– Grinding, honing, etc.

Classification of Conventional Machining

5

CNC Lathe

6

Lathe Parts

7

insert

holder

Typical Inserts in Machining

8

Old Lathe

Machining Processes

10

Boring

11

Old Boring Machine

12

Old Planning Machine

13

Shaping

14

Trepanning

15

(a)Drilling

16

Milling

17

Horizontal Milling

18

Vertical Milling

19

Milling types

20

Broaching

21

Reamers

22

Honing

23

Machine-Tapping

External Threading Dies

Hand- Tapping

Threading

END