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DESIGN AND FABRICATION OF STEADY REST FOR LATHE

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design and fabrication of steady rest for lathe project members s.rahuman s.balamurugan k.v.manobharath p.velmurugan under the guidance of mr.a.balaji,m.e. – PowerPoint PPT presentation

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Title: DESIGN AND FABRICATION OF STEADY REST FOR LATHE


1
DESIGN AND FABRICATION OF STEADY REST FOR LATHE
  • PROJECT MEMBERS
  • S.RAHUMAN
  • S.BALAMURUGAN
  • K.V.MANOBHARATH
  • P.VELMURUGAN

UNDER THE GUIDANCE OF
Mr.A.BALAJI,M.E.
2
COMPANY DETAILS
  • Neyveli Lignite Corporation is one of the
    major public sector company in India and largest
    in south.
  • The Corporation was interested with the
    task of implementing the integrated Lignite
    Project comprising the open cast mines and
    Thermal Station.

3
  • UNITS OF NLC LIMITED
  • MINE-I
  • MINE-I A
  • MINE-II
  • THERMAL POWER STATIONS-I
  • THERMAL POWER STATION- EXPANSIO
  • THERMAL POWER STATION-II
  • The central workshop maintenance yard for
    all concerns of Neyveli Lignite Corporation
    enterprise viz., Mine-I, Thermal power station-I,
    fertilizer unit, and carbonization plant.

4
A FEW IMPORTANT JOBS CARRIED OUT ARE
  • MANUFACTURING AND RECONTIONING OF DRIVE SHAFTS OF
    B.W.ES AND CONVEYORS
  • MACHINING OF LARGE GEAR BOX HOUSINGS.
  •  
  • RECONDITIONING OF HOLLOW SHAFTS OF BUCKET WHEEL
    EXCAVATORS.
  • MANUFACTURING OF 20DIA PLAIN PIPES AND SLOTTED
    PIPES .
  •  

5
AIM
  • To fabricate the maximum diameter(380mm)
    holding steady rest with perfect design for main
    aspects.
  • To avoid the delivery time and new part
    purchasing .
  • To reduce the downtime of the rework part
    adopted machines

6
STATEMENT OF PROBLEM
  • 304 nos. of important jobs like drive shafts,
    conveyor idler rollers, cam wheel housing, hollow
    shafts etc are machined in heavy duty lathes like
    vertical turret and Lehmann lathes.
  • They are unable to complete all the jobs on
    time. Due this job deliver time increased .
  • Delay in allocation of these jobs due to non
    availability of machines.
  • Non availability of suitable steady
    rest in medium duty lathes for loading jobs.

7
REASON FOR CHOOSE THIS TITLE
  • Company steady rest available for medium
    duty Bombay lathe is maximum 180mm diameter job
    holding capacity.
  • Mines department purchased new part when
    the rework delayed .
  • so we are decide to make the new steady
    rest for Bombay lathe to increase the job holding
    capacity(180mm to 380mm) and reduce the job
    setting time.

8
Methodology
  • Basically steady rest is one of the jig
    and fixture of lathe .
  • It reduces the vibration and
    eccentricity of job at the time of various
    operations in lathe. And also one of the support
    of the job.
  • The steady size is depends upon the
    lathe bed width. its size is not exceed to lathe
    bed width.
  • The steady rest used to holding the job
    and it is not affected the job rotation and
    surface of the job.

9
  • DRAWINGS

10
  • 3D VIEW OF STEADY REST

11
TIME LINE
December 08 January 09 February 09
Problem Identification, Analysis , Design Material collection, machining operations Assembly and Result analysis
Completed Completed -
12
Thankyou..
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