A PRESENTATION ON MECHANICAL WORKSHOP NORH

EAST RAILWAY GORAKHPUR

PRESENTED BY INSTRUCTOR

PIYUSH KUMAR TIWARI MR. ANIRUDHH SINGH

1101201022

INTRODUCTION OF MECHANICAL WORKSHOP GORAKHPUR

Gorakhpur mechanical workshop is established in 1903 for repair and overhauling purpose of steam locomotives.

At present it is used to periodic over hauling and maintenance purpose of AC and NON AC coaches.

The workshop having capacity to overhauled 180 coaches per month.

STATICS AND SPECIFICATION OF PLANT

TOTAL AREA COVERED - 29.8 HECTARE.

COVERED AREA –12.6 HECTARE. NUMBER OF OFFICERS-19 NUMBER OF SUPERVISORS- 378 TOWNSHIP AREA- GORAKHPUR POWER CONSUMPTION- 208662 KWH

LIST OF SHOPS IN THIS WORKSHOPS

INSPECTION SHOP. MACHINE SHOP. PAINTING SHOP. WHEEL AND SHAFT SHOP. SPRING SECTION HEAT TREATMENT SHOP JIG AND FIXTURE.

CONT….

BRAKING SHOP. SHELL SHOP. FINAL ASSEMBLY.

INSPECTION SHOP

THIS SHOP IS USED FOR INSPECTION PURPOSES. A LIST OF EXPERTS CAME IN THE SHOP AND LISTED THE

ERRORS AND PROBLEM OCCURRED IN THE COACHES. THEN THEY MAKE A MAJOR OR MINOR LSIT FOR THE

CAOACH. IF THE PROBLEM IS SMALL IT IS SOLVE IMMEDIATELY IN

THAT SHOP AND IN NOT IT IS SEND FOR THE FURTHER SHOPS.

MACHINE SHOP

MACHINE SHOP IS DIVIDED INTO TWO CATEGORY- Automatic machine---( N.C.BORING,CNC LATHE,HEAVY

DRILLING MACHINE ETC.) MANUAL MACHINE---DRILLING MACHINE, SHAPER,

SLOTTER, PLANNER , LATHE,ETC. The different type of machining is done on this shop. For automatic machines skilled worker is required and

in manual section average worker can work.

PAINT SHOP

In this shop painting has been done of different parts of coaches and bogie.

Painting is done by either manually or by spray machines as per requirement and depending upon work load .

The spray machines consume more paint and wastage of paint is more.

Manual painting is slow but no wastage of paint .

WHEEL AND SHAFT SHOP

In this shop repair of wheel and shaft(axel) is undertaken.

The wheel is first tested on wheel testing machine. And after that further treatment is done on the basis

of result of testing. The shop consist of machine like-Axel journal testing

machine, Hydraulic wheel press machine , Axel turning lathe, vertical turning lathe.

SPRING SECTION

In this section coil and leaf spring are made. The testing of leaf spring is also done in this shop by

(1)Visual and magnetic crack detection. (2)Spring scraping machine. (3) D’ buckling machine.

Various other machines in this shop-Quenching tank, Tempering furnace, Rolling machine, Cambering machine, Hardness testing machine.(BHN)

Coiled spring

HEAT TREATMENT SHOP

Heat treatment is the process of heating and cooling of material to change its physical and mechanical properties without changing the original shape and size.

In this shop machine parts are heated for long time below its melting point and after that some parts are cooled in water and some parts are cooled in air or oil as per physical and mechanical properties is required.

HEAT TREATMENT IN FURNANCE

JIGS AND FIXTURE SHOP

If a component to be produced in small numbers then procedure adopted is marketing out , setting on machine, clamping to machine table.

Nevertheless it would be for producing same component in large quantities because of economic reason. A faster and more profitable method calls for a device jig & fixture.

BRAKING SHOP

In this shop braking system of coaches is maintained. In present time mainly air braking system in use in the

coaches . The main parts of air braking system are following- BRAKE CYLINDER, BRAKE PIPE, FEED

PIPE,DISTRIBUTOR PIPE, ANGLE COCK, HOUSE PIPE, AUXILIARY RESERVOIR, ISOLATING COCK, DIRT COLLECTOR, PASSENGER EMERGENCY ALARM SYSTEM.

SHELL SHOP

Shell shop is divided into two parts- FITTING SHOP- In this shop roof, floor, body, seats etc

maintained by using of tools . WELDING SHOP-Co2 arc welding, Bharat cutting gas,

Oxy-acetylene gas welding, electric arc welding is used.

Mainly oxy-acetylene gas welding is used due to orientation and space problem.

REFERENCES

GOOGLE IMAGES.

WIKIPEDIA.ORG.IN

INDIANRAILWAY.GOV.IN

GHOSH & MALIK.

THANKING YOU!