College of Engineering & Technology,Bikaner

SUMMER TRAINING PRESENTATION

On North Western Railway Workshop Lalgarh,Bikaner

SUBMITTED TO

ASTT. PROF. ANITA KURADIYAMECHANICAL DEPARTMENT (COLLEGE OF ENGINEERING & TECHNOLOGY BIKANER)

SUBMITTED BY AMIT RAJ 13ECTME007

About The “Lalgarh Railway Workshop”

• Foundation : Maharaja Ganga Singh Ji Bahadur on 18th March,1925

• Location: Outskirt of Bikaner town known as Lalgarh• Plant started: 1st March,1927• Total area: 141226 meter sq.• Machinery in plant:232• Track inside plant:2.6 km

PERIODIC-OVERHAULING

Periodic-overhauling(POH): It is a process of 8 days during which checking & repairing/replacement of train’s parts take place.

Time Period Of POH:Mail/Express train: POH after 12 monthsPassenger Train : POH after 18 months

Procedures of POHDAY 1st : Disassembly of electrical componentsDAY 2nd : Lift/LoweringDAY 3rd : Body repairDAY 4th : Carpenter workDAY 5th : PaintingDAY 6th : Electrical component fittingDAY 7th : Adjustment of all partsDAY 8th : Vacuum testing

LIST OF SHOPS• Carriage shop• Carpenter shop• Corrosion shop• Painting & Trimming shop• Wagon shop• Wheel shop• Tool shop• Mill right shop• Bogie IOH shop

CARRIAGE SHOP• Purpose: To repair coaches

Parts of coaches which get repaired in carriage shop

• Dash port Spring: It act as shock absorber.• Bdl’ster: Mounted between lower and upper shock absorber &

also called secondary shock absorber.• Brake block: Hold the brake frame & coach beam together.• Equalizing stray: This also hold coach beam & brake frame

together.

• Brake shoe key : Stop the brake shoe from running out.

• Bearing pieces: Component on which coaches turn.

• Pivot seat: Control running of train.• Anchor link: Control movement of coaches.

CARPENTRY SHOPIn this shop wooden fitting of pipes on walls, floors etc are

done.

Machines available/used in the carpentry shop of this plant:• Circular saw machine -2• Body band saw machine -1• Vertical band saw machine-2• Planer machine-1

CORROSION SHOP• Purpose: To repair corroded parts mainly head stock,

coaching stock, sole bar and cross bar.

C-schedule in corrosion shop

DAY 1st : Cleaning with soap sol. & touch up damage part with primer.

DAY 2nd : Spot putty.DAY 3rd : Flat with silicon carbide & finish coat with

enamel.DAY 4th : Apply second coat of enamel.DAY 5th : Lettering with golden yellow color &

miscellaneous work.

PAINTING SHOP• Painting & External maintenance is done in this shop.• These are done in two schedule:• A-schedule(9 days): for maintenance• C-schedule(5 days): for final painting

Painting done in this shop:

• Side painting : Smoke grey paint• Under frame : Bituminous Paint• Internal painting : White enamel paint• End panel : Black enamel paint• Trolley : Bituminous paint• Roof : Aluminium paint

TRIMMING SHOP

• Final stages of basic rebuilding as assembly of seats, painting & stiching are completed.

• Seats are repaired and reassembled.

WAGON SHOP

Works done in wagon shop:

• Super structure attached to the under frame of a wagon is called ‘WAGON BODY’.

• In this shop,the body,underframe of a Wagon are repaired.• Proper numbers of doors, pillers etc. are attached.• Wagon Air Brake Testing are done in this shop.

WHEEL SHOP• New wheel undergo various operations for testing so

wheel shop has various section• Axle passing section : Axle and tyre received from

companies and reassembled.

• Tyre section : Diameter of tyre reduced

MILL WRIGHT SHOP

• Millwright shop has three sections:

• Machine maintenance section• Transport section• Compressor section

• Maintenance section: All the machine parts are repaired.

• Transportation Section: Transportation of goods are taken by some machine to reduce place and component transported from one place to another.

• Compressor section: The screw type air compressor is a positive displacement machine of reciprocative type.

.

BOGIE IOH SHOP In this shop all the component of a bogie is fitted or

welded and finally railway coaches is formed.

COMPONENTS OF RAILWAY BOGIE:• Bogie Transom• Bogie Cylinder• Primary Suspension Coil• Motor Suspension Tube• Gear Box• Lifting Box

• Neutral section switch detector• Secondary suspension air bag• Shock absorber• Axle box cover• Bogie bolster• Center pivot pin

Shock absorber

THANK

YOU