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Rolling Stock Terms

This page will be continuously updated… Accelerometer A device that can measure acceleration generated by the movement of an object along an axis. Adhesion (Coefficient of) During rolling contact, the … Continue reading

Suspension Systems for Rolling Stocks

The track irregularities and their interaction with wheel generate vibration of varying amplitude and frequency. These vibrations may cause damage to different parts of the vehicle if not contained and … Continue reading

Sliding Plug Doors

A door in which the panel or panels, in the open position, are positioned parallel to and outside of the car body. Plug doors can be of the sliding plug … Continue reading

Braking Systems

Braking Mechanisms When a braking force is applied to stop the cars, the force must be transmitted to something other than the cars, for example, to the rails. The braking … Continue reading

Sliding Doors

Sliding Doors A door in which the panel or panels slide open and closed on a hanger mechanism that is  usually mounted above the doorway opening. A sliding door system … Continue reading

Scroll Compressor

A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. In rolling stocks, scroll compressor is used for HVAC … Continue reading

Coupler

A coupler, or coupling, is a device for joining rail vehicles in a train. There are two different kinds of couplers in the units: Automatic couplers on both unit ends (driver … Continue reading

Rolling Stock Components

Rolling stock originally referred to the vehicles that move on a railway. It usually includes both powered and unpowered vehicles, for example locomotives, railroad cars, coaches, and wagons. Rolling Stock Components 1- Car body Car body shell … Continue reading

Pantograph

Pantograph is an apparatus which mounted on the roof of electric train to collect power through with an overhead tension wire. It lift or down on the basis of the … Continue reading

Bogie

In mechanics terms, a bogie is a frame work which carrying wheels attached to coaches. The bogie, or truck as it is called in the US, comes in many shapes … Continue reading