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N E RAILWAYGORAKHPUR
PRESENTED BY:KRISHNA KUMAR YADAV
12525400444TH YEAR
MECHANICAL ENGINEERING
INTRODUCTION
INDIAN RAILWAYS N E RAILWAYS GORAKHPUR
MAIN SHOPS
MACHINE SHOP
HEAT TREATMENT SHOP
WHEEL SHOP
WELDING SHOP
MILL RIGHT SHOP
PAINT SHOP
SPRING SHOP
MAIN SECTIONS IN MACHINE SHOP
Lathe machine section
Drilling section
Shaping
Slotting
NC system
LATHE MACHINEA lathe is a machine tool which rotates the workpiece on its axis to perform various operations such as cutting, knurling, drilling, or deformation, facing, turning, with tools that are applied to the workpiece to create an object which has symmetry about an axis of rotation.
SHAPER
It works on quick-return mechanism.The cutting action is performed only in forward direction
SLOTTER
This is vertical shaping machine. The arm reciprocates in the vertical direction. Most parts are the same as shaper. Slotting is the process that is carried on this machine .
HEAT TREATMENT
Heat treatment is the process of heating and cooling of a material to change its physical and mechanical properties without changing the original shape and size.
VARIOUS TYPES OF HEAT TREATMENT Hardening.
Tempering
Annealing
Normalizing
Nitriding
Quenching
WELDING
Welding is a process of joining two similar or dissimilar metals with or without application of heat, pressure and filler rod.
OXY ACETYLENE WELDING
TYPES OF FLAME
Carburizing flame
Oxidizing flame
Neutral flame
2C2H2 + 5O2 = 4CO2 + 2H2O + HEAT
MATERIAL HANDLING EQUIPMENT
Over Head Crane
MATERIAL HANDLING EQUIPMENT
Small Industrial Truck
SPRINGS
Spring is an elastic object used to store mechanical energy such as impact load and sudden shock.