MPPS 01_Lathe Machine

ST. JOHN COLLEGE OF ENGINEERING & TECHNOLOGY
(DEPT. OF INFORMATION TECHNOLOGY)

MPPS
M ANUFACTURING P ROCESSES

M ETAL C UTTING

PRESENTED BY: PRASHANT JADHAV (DEPT. OF MECH. ENGG.)

MPPS ST. JOHN COLLEGE OF ENGINEERING & TECHNOLOGY

Metal Working Processes:
2

 Metal Forming Processes:
 Forging
 Rolling
 Pressing

 Metal Cutting Processes:
 Turning
 Drilling
 Planing
 Boring

PRESENTED BY: PRASHANT JADHAV (DEPT. OF MECH. ENGG.), SJCET, PALGHAR


Metal Working Processes:
3

 Metal Joining Processes:
 Welding
 Brazing
 Soldering



Metal Cutting Processes:
4

 The process of metal cutting in which chip is formed is affected by
relative motion between the workpiece and the hard edge of the cutting
tool.
 Depending upon relative motion different metal cutting operations are
formed such as turning, drilling, milling, boring, planning, etc.

Operation Motion of Job Motion of cutting tool
Turning Rotary Forward translation
Boring Rotation Forward translation

Drilling Fixed Rotation as well as translator feed
Planing Translatory Intermittent translation
Milling Translatory Rotation



5

 Types of Cutting Tools:
1. Single Point Cutting Tool.



6

 Types of Cutting Tools:
2. Multiple Point Cutting Tool



Machine Tools:
7

 A machine which performs material removal
operation to obtain the desired shape and size.
 Functions of Machine Tools:
1. To improve production rate.
2. To reduce cost of production.
3. To reduce fatigue of workers.
4. To achieve better quality.
5. To reduce wastage.



Machine Tools:
8

 Types of Machine Tools:
1. Lathe Machines.
2. Shaper Machines.
3. Planer Machines.
4. Drilling Machines.
5. Boring Machines.
6. Milling Machines.
7. Grinding Machines



Lathe Machines:
9

 This machine removes the metal from the work piece to the
required shape & size.
 The workpiece is held & rotated with some speed and cutting tool
is fixed at one position stationary.
 Tool is single point cutting tool made of carbide tip.
 It is one of the earliest machine tool.
 It is most versatile machine tool.



Lathe Machines: (DEPT. OF INFORMATION TECHNOLOGY)

10



Lathe Machines: (DEPT. OF INFORMATION TECHNOLOGY)

11



Block Diagram of Lathe:
12



Lathe Operations:
13

 Centering:



Lathe Operations:
14

 Facing:



Lathe Operations:
15

 Plain Turning:



Lathe Operations:
16

 Step Turning:



Lathe Operations:
17

 Taper Turning:



Lathe Operations:
18

 Drilling:



Lathe Operations:
19

 Reaming:



Lathe Operations:
20

 Boring:



Lathe Operations:
21

 Threading:



Lathe Operations:
22

 Knurling:


MPPS 01_Lathe Machine

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