CAPSTAN AND TURRET LATHES BY POLAYYA CHINTADA USED FOR ENGINEERING STUDENTS................

1. LENDI INSTITUTE OF ENGINEERING
AND TECHNOLOGY
METAL CUTTING AND MACHINE TOOLS
COURSE CODE: C302
REGULATION: R16
3rd BTECH 1st SEM
PREPARED BY :
POLAYYA CHINTADA M.TECH,M.B.A,(PhD)
ASSISTANT PROFESSOR
TOPIC:
CAPSTAN AND TURRET
LATHES

2. METAL CUTTING AND MACHINE
TOOLS SYLLABUSUNIT 2:
Engine lathe – principle of working, specification of lathe – types of lathe – work holders tool holders – box
tools taper turning, thread turning – for lathes and attachments, constructional features of speed gear box and
feed gear box.
Turret and capstan lathes – collet chucks – other work holders – tool holding devices – box and tool layout.
Principal features of automatic lathes – classification – single spindle and multi-spindle automatic lathe – tool
layout and cam design for automats. s
make the students understand
Types of lathes, Lathe operations,
Work holders, Tool holders, Lathe
attachments& Automatic Lathes
COURSE OBJECTIVE: COURSE OUTCOME:
Understand the Lathe
operations Using
Lathe Machine,
APPLICATIONS:
Learned how to Use
Lathe Tools and
Importance of Lathe
Machines.

3. CAPSTAN AND TURRET LATHES
CAPSTAN LATHE :
The capstan lathe also has a turret which contains multiple cutting tools
but in case of capstan lathe the turret head is mounted on the ram and the
ram is mounted on the saddle.
 Saddle is locked at a particular point and the ram is moved to provide
feed to the tool.
They are lighter in construction.
Only limited amount of feed and depth of cut are provided for
machining.
It is use for mass production of small size equal part.
It have hand operated collet chucks.

4. CAPSTAN AND TURRET LATHES
There are basically two broad classification of semi-automatic Lathe. They are:
•Turret Lathe
•Capstan Lathe
TURRET LATHE :
The turret lathe is a form of metalworking lathe that is used for repetitive
production of duplicate parts, which by the nature of their cutting process are
usually interchangeable.
It has additional turret, which is an index able tool holder that allows multiple
cutting operations to be performed, each with a different cutting tool.
Need for the operator to perform set-up tasks in between, such as installing or
uninstalling tools is not required.
The turret head is directly mounted on the saddle and the saddle slides over the
bed ways.
 Saddle is moved to provide feed to the tool.
 They are heavy and durable.
 More feed and depth of cut are provided for machining.
 It is use for mass production of large size equal part.
 It is accommodated with power chucks

5. CAPSTAN AND TURRET LATHES

6. DIFFERENCE BETWEEN CAPSTAN AND TURRET LATHES

7. CAPSTAN AND TURRET LATHES

8. CAPSTAN AND TURRET LATHES

9. CAPSTAN AND TURRET LATHES

10. CAPSTAN AND TURRET LATHES

11. Yours:
POLAYYA CHINTADA M.TECH,M.B.A,(PhD)
ASSISTANT PROFESSOR