1. © rkm2003
R.K. UNIVERSITY
A report on
‘LATHE MACHINE’
for Mechanical Engineering.
Prepared By :
SAGAR VAGHASIA
NIKHIL PAMBHAR
PRAKASH JILARIYA
SMIT HURBADA
RITISH BHUNGANI

2. © rkm2003
INDEX
Sr. no. Description
1 Acknowledgement
2 Introduction of
Industry
3 Introduction
4 Process

3. © rkm2003
ACKNOWLEDGEMENT
 We owe a deep sense of gratitude to all those who have
been a source of inspiration and encouragement in our literary
pursuit.
 We sincerely thank to Mr. Raju sir and Mr. R.M. Vakani sir for
guiding an appropriate foreword for this report.
 We are extremely thankful to the publisher ,Mr. Akash and the
Editor of Patel Stationary ,Rajkot and other members of it for
bringing out this Report in an excellent manner.
 In addition,We wish to express my deep sense of gratitude all
our friends and the participants of our various work
programmes.They are too large in numbers for us to list all the
names individually.However,the following persons deserve
special mention i.e Sagar,Nikhil,Prakash,Smit,Ritish.

4. © rkm2003
Introduction of Industry
 NAME: K.K. Industry.
 Adress: 16-18,Serve no. 254,B/h. Patel
Ceramics,Nr. Uttam Forge,
Shapar(Veraval),Rajkot.
 PRODUCT:
 Lever for control Shaft
 Protecting Sleeve
 Compression Tool
 Holder

5. © rkm2003
Introduction of Industry
 K.K. Inductry is one of the most
reputed,rapidly and growing company.It is
established in 2000.It also transport in
Delhi,Mumbai and in Rajkot.
 Raw Material: For manufacturing product
mainly STAINLESS STEEL is required.
 Raw Material source city:
Ahemdabad,Delhi,Mumbai.

6. © rkm2003
Introduction of Industry
 Available operation:
1. Turning
2. Facing
3. Milling
4. Drilling
5. Buffing

7. © rkm2003
INTRODUCTION TO
THE LATHE MACHINE

8. © rkm2003
THE LATHE MACHINE
 Lathe is a machine,which removes the metal
from a piece of work to the required shape
and size.
 There are many types of lathe like Engine
lathe,Bench lathe,Automatic lathe,Turret
lathe e.t.c…
 The lathe having many parts as shown in
figure.

9. © rkm2003
The Lathe
Head stock
Spindle
Feed rod
Bed
Compound rest
and slide(swivels)
Carriage
Apron
selector
Feed change
gearbox
Spindle
speed
Lead screw
Cross slide
Dead center
Tool post
Guide ways
Tailstock quill
Tailstock
Handle

10. © rkm2003
The Lathe
Bed
Head Stock
Tail Stock
Carriage
Feed/Lead Screw

11. © rkm2003
Types of Lathes
 Engine Lathe
 Speed Lathe
 Bench Lathe
 Tool Room Lathe
 Special Purpose Lathe
 Gap Bed Lathe
…

12. © rkm2003
ENGINE LATHE

13. © rkm2003
CNC LATHE

14. © rkm2003
Size of Lathe
Workpiece Length Swing

15. © rkm2003
Workholding Devices
 Equipment used to hold
Workpiece – fixtures
Tool - jigs
Securely HOLD or Support while
machining

16. © rkm2003
Chucks
Three jaw Four Jaw
Workholding
Devices
..

17. © rkm2003
Centers
Workpiece
Headstock center
(Live Centre)
Tailstock center
(Dead Centre)
Workholding
Devices
..

18. © rkm2003
3 Operating Conditions
Chip
Machined
surface
Workpiece
Depth of cut
Tool
Chuck
N
Feed (f )
Cutting speed
Depth of cut (d)

19. © rkm2003
Selection of ..
 Workpiece Material
 Tool Material
 Tool signature
 Surface Finish
 Accuracy
 Capability of Machine Tool
Operating
Conditions
..

20. © rkm2003
Operation and
Processes in
Lathe Machine

21. © rkm2003
Operations on Lathe
 Turning
 Facing
 Drilling
 Milling
 Buffing
 Chamfering
 Taper turning
 Knurling
 Threading
 Grooving
Operations
on
Lathe
..

22. © rkm2003
Turning Operations
 Machine Tool – LATHE
 Job (workpiece) – rotary motion
 Tool – linear motions
“Mother of Machine Tools “
Cylindrical and flat surfaces

23. © rkm2003
Turning
Operations
on
Lathe
..
Cylindrical job

24. © rkm2003
Turning ..
Cylindrical job
Cutting
speed
Chip
Workpiece
Depth of cut (d)
Depth of cut
Tool
Feed
Chuck
N
Machined
surface
Operations
on
Lathe
..

25. © rkm2003
Turning ..
 Excess Material is removed
to reduce Diameter
Cutting Tool: Turning Tool
a depth of cut of 1 mm will
reduce diameter by 2 mm
Operations
on
Lathe
..

26. © rkm2003
Facing
Flat Surface/Reduce length
Depth of
cut
Feed
Workpiece
Chuck
Cutting
speed
Tool
d
Machined
Face
Operations
on
Lathe
..

27. © rkm2003
Facing ..
 machine end of job  Flat surface
or to Reduce Length of Job
 Turning Tool
 Feed: in direction perpendicular to
workpiece axis
Length of Tool Travel = radius of
workpiece
 Depth of Cut: in direction parallel to
workpiece axis
Operations
on
Lathe
..

28. © rkm2003
Facing ..
Operations
on
Lathe
..

29. © rkm2003
Drilling
Drill – cutting tool – held in TS –
feed from TS
Operations
on
Lathe
..
Feed
Drill
Quill
clamp moving
quill
Tail stock clamp
Tail stock

30. © rkm2003
MILLING MACHINE
 Milling machine is
used for removing
extra material and
for surface finishing.
 USED for making
teeth cutting in
gear,to make slot
and for making
keyways in lead
Screw.

31. © rkm2003
PRODUCTS

32. © rkm2003