This document provides information about a report on lathe machines prepared by a group of students for a mechanical engineering course. It includes an acknowledgment, introduction of the sponsoring industry which produces lever controls and other metal parts, and sections on the introduction of lathe machines and the main operations and processes that can be done on lathe machines like turning, facing, drilling, and milling. Diagrams are provided to illustrate the main components of lathe machines and examples of different types of lathes.

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

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

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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.

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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

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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.

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

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INTRODUCTION TO
THE LATHE MACHINE

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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.

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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

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The Lathe
Bed
Head Stock
Tail Stock
Carriage
Feed/Lead Screw

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Types of Lathes
 Engine Lathe
 Speed Lathe
 Bench Lathe
 Tool Room Lathe
 Special Purpose Lathe
 Gap Bed Lathe
…

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ENGINE LATHE

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CNC LATHE

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Size of Lathe
Workpiece Length Swing

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

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Chucks
Three jaw Four Jaw
Workholding
Devices
..

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

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

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

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Operation and
Processes in
Lathe Machine

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

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

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Turning
Operations
on
Lathe
..
Cylindrical job

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

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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
..

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

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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
..

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Facing ..
Operations
on
Lathe
..

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

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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.

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PRODUCTS

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