railway vocational training mechanical

1. VOCATIONAL TRAINING PPTVOCATIONAL TRAINING PPT
ON LILUAH WORKSHOPON LILUAH WORKSHOP

2. ABOUT LILUAH WORKSHOPABOUT LILUAH WORKSHOP
The Railway Carriage and Wagon Workshop was established by East IndianThe Railway Carriage and Wagon Workshop was established by East Indian
Railway Company at Howrah and shifted to the present location at Liluah inRailway Company at Howrah and shifted to the present location at Liluah in
1900.1900.
The workshop is spread over an area of 299,000 sq m and has a staff strength ofThe workshop is spread over an area of 299,000 sq m and has a staff strength of
9,990.9,990.
The workshop is primarily engaged in overhauling of coaches.The workshop is primarily engaged in overhauling of coaches.
Only workshop in india where the RAJDHANI express is overhauled.Only workshop in india where the RAJDHANI express is overhauled.

3. L SHOPL SHOP
This shop deals with the maintenance of various types of wagon.This shop deals with the maintenance of various types of wagon.
The wagons are mainly categorized into four types:-The wagons are mainly categorized into four types:-
BLC-BOGIE LOW CONTAINER PLATFORM WAGONBLC-BOGIE LOW CONTAINER PLATFORM WAGON
BVZI-BREAK VAN FITTED WITH ICF BOGIEBVZI-BREAK VAN FITTED WITH ICF BOGIE
BOXN-BOGIE OPEN FITTED WITH AIR BRAKE WAGONBOXN-BOGIE OPEN FITTED WITH AIR BRAKE WAGON
BCN-BODY COVERED WAGONBCN-BODY COVERED WAGON

4. BLC WAGONBLC WAGON

5. WAGONWAGON

6. LHB SHOPLHB SHOP
• This shop deals with the maintenance of coaches of Rajdhani, Duronto.This shop deals with the maintenance of coaches of Rajdhani, Duronto.
• produced by Rail Coach Factory in Kapurthala, India.produced by Rail Coach Factory in Kapurthala, India.
• The coaches are designed for an operating speed up to 160 km/h and could go up toThe coaches are designed for an operating speed up to 160 km/h and could go up to
200 km/h.200 km/h.
• Indian Railways have decided to replace the conventional air-conditioned and non-Indian Railways have decided to replace the conventional air-conditioned and non-
air-conditioned Integral Coach Factory made coaches with the LHB coaches in all theair-conditioned Integral Coach Factory made coaches with the LHB coaches in all the
trains by the end of 2016.trains by the end of 2016.

7. LHB COACHLHB COACH

8. M SHOPM SHOP
 The following are the basic work done in M shop(Maintenance)The following are the basic work done in M shop(Maintenance)
 Primarily overhauling of ICF,BEML and RCF coaches is done.Primarily overhauling of ICF,BEML and RCF coaches is done.
 Coach replacement and dismantlingCoach replacement and dismantling
 Dismantled parts are sent to respective shops for analysisDismantled parts are sent to respective shops for analysis
 Basic Parts of a coach - Body and BogieBasic Parts of a coach - Body and Bogie
 Lower portion of the body comprises of Headstock, Outer Headstock andLower portion of the body comprises of Headstock, Outer Headstock and
Inner HeadstockInner Headstock

9. M SHOP(CONTD.)M SHOP(CONTD.)
 I section between Inner Headstock and Outer HeadstockI section between Inner Headstock and Outer Headstock
 Trough Floor on which the body restsTrough Floor on which the body rests
 Body has Bogie Bolster on its two ends to fit into the BogieBody has Bogie Bolster on its two ends to fit into the Bogie
Parts of Bogie Bolster are- Centre Pivot at the centre and side bearers at the two sidesParts of Bogie Bolster are- Centre Pivot at the centre and side bearers at the two sides
 Portion of the body between body bolsters act as simple supported beamPortion of the body between body bolsters act as simple supported beam
End of the body from the body bolster act as cantilever beamEnd of the body from the body bolster act as cantilever beam
8 lifting pads at the sides of the body used for overhauling8 lifting pads at the sides of the body used for overhauling

10. WELDING SHOPWELDING SHOP
• WeldingWelding is the process of joining of two similar metals or dissimilar metals.is the process of joining of two similar metals or dissimilar metals.
• SMAW:-SHIELDED METAL ARC WELDINGSMAW:-SHIELDED METAL ARC WELDING
• OFW:-OXYFUEL GAS WELDINGOFW:-OXYFUEL GAS WELDING
• OVERVIEW:-OVERVIEW:-
• Max thickness cut is about 300mm toMax thickness cut is about 300mm to
350mm with oxyacetylene gas350mm with oxyacetylene gas
• With oxy hydrogen about 600mmWith oxy hydrogen about 600mm

11. C SHOPC SHOP
CORROSIONCORROSION TREATMENT SHOP deals with the corrosive treatment of the railway body parts.TREATMENT SHOP deals with the corrosive treatment of the railway body parts.
Phosphating treatment:-Phosphating treatment:- Degreasing Swirling Derusting SwirlingDegreasing Swirling Derusting Swirling
PhosphatingPhosphating
Powder coating:-Powder coating:- SwirlingSwirling
SealingSealing
DryingDrying

12. CTRB SHOPCTRB SHOP
• This shop deals with theThis shop deals with the
Maintenance of bearings.Maintenance of bearings.

14. CALIBRATION ROOMCALIBRATION ROOM
• Calibration is process of finding a relationship between two unknown (when theCalibration is process of finding a relationship between two unknown (when the
measurable quantities are not given a particular value for the amount considered ormeasurable quantities are not given a particular value for the amount considered or
found a standard for the quantity) quantities.found a standard for the quantity) quantities.

15. SNAP GAUGESNAP GAUGE

16. E SHOPE SHOP

17. SHOT BLASTINGSHOT BLASTING
MACHINESMACHINES
Shot blaSting iS a methodShot blaSting iS a method
uSed to clean, StrengthenuSed to clean, Strengthen
(peen) or poliSh metal(peen) or poliSh metal..

19. CAUSTIC BATHCAUSTIC BATH
• Caustic cleaning involves the use of a hot alkaliCaustic cleaning involves the use of a hot alkali
solution to remove organic contaminants likesolution to remove organic contaminants like
dirt, paint, markings, grease, and oil from thedirt, paint, markings, grease, and oil from the
metal surface. The main component of the causticmetal surface. The main component of the caustic
bath is sodium hydroxide, also known as causticbath is sodium hydroxide, also known as caustic
soda.soda.

20. MAGNETIC CRACK DETECTORMAGNETIC CRACK DETECTOR

21. LOAD TESTINGLOAD TESTING

22. GRADING AND COLOUR CODINGGRADING AND COLOUR CODING