1

Manufacturing Processes

– Manufacturing: transforming raw materials into products

– Manufacturing processes: operations to achieve manufacturing

• Cutting• Forming• Assembly• Finishing

2

Cutting Processes

– Sawing, Shearing, Milling, Turning, Drilling, Shaping, Abrading, Electro/Chemical/Etc.

– Cutting Process chart Fig. 4.2

– Shearing Fig. 4.4 and Fig. 4.6

– Milling Fig. 4.7

– Turning

– Drilling Fig. 4.8, 4.9, 4.12

– Abrading Fig. 4.13

3

Cutting Processes

Cutting

4

Cutting Processes

Shearing & Milling

5

Cutting Processes

Turning & Drilling

6

Cutting Processes

Shaping

7

Cutting Processes

Abrading &

Electro-

Chemical

8

Cutting Processes

Shearing - Punching

9

Cutting Processes

Punching

10

Cutting Processes

Milling

11

Cutting Processes

Turning

12

Cutting Processes

Drilling

Step drill

Core drill

Spot face

Ream

Counter bore

Countersink

Bore

13

Cutting Processes

Abrading

14

Electrochemical

• Ultrasonic Machining (USM)

15

Electrochemical

• Electrical Discharge Machining– Cutting

intricate shapes and hole punching

16

Electrochemical

• Electrochemical Machining (ECM)

17

Electrochemical

• Chemical Milling

18

Electrochemical

• Chemical Milling (CHM)– Large pieces

without the machining time

19

• Electron Beam Machining (EBM) – Fig. 2-25 – Primarily for precision welding

• Laser Beam Machining – Fig. 2-27– Very precise small hole applications

• Plasma Arc Machining – Fig. 2-30– Sheet metal cutting, relatively inexpensive

20

IET 385.01Lecture 10

• Electron Beam Machining (EBM) – Fig. 2-25 – Primarily for precision welding

NOTE: All Figures referred to on this page are from Machine Tool Technology, 5th ed., Repp/McCarthy, Glencoe McGraw Hill, 1984.

21

IET 385.01Lecture 10

• Laser Beam Machining – Fig. 2-27– Very precise small hole applications

NOTE: All Figures referred to on this page are from Machine Tool Technology, 5th ed., Repp/McCarthy, Glencoe McGraw Hill, 1984.

22

IET 385.01Lecture 10

• Plasma Arc Machining– Sheet metal cutting, relatively inexpensive

NOTE: All Figures referred to on this page are from Machine Tool Technology, 5th ed., Repp/McCarthy, Glencoe McGraw Hill, 1984.

23

IET 385.01Lecture 10

Wood Cutting Processes– Jointing and Planing Fig. 4.16

– Routing and Shaping Fig. 4.17