BOGIE NOMENCLATURE

 

BOGIE NOMENCLATURE

 AAR CLASSIFICATION

—Classification done on the basis of wheel arrangement

—Incorporating the under mentioned particulars.

—Classification/codification of wheels

—Arrangement of wheels

—Weight Carrying Wheels:

—for carrying the weight of locomotive

—Have no driving power.

—Denoted by numbers i.e.

—1 for one set of carrying wheels,

—2 for two set of carrying wheels & so on.

 

—Driving wheels:

— In Addition to carry the weight of locomotive, provide  the driving power to the Locomotive

—Denoted by letters i.e.

Sub divided into two heads.

—Independently driving wheels.

—Coupled driving wheels.

 TYPES OF DRIVING WHEELS

—Independently Driving Wheels:-

—Denoted by adding suffix “o” with  the denoting letter i.e.

—Ao - One set

—Bo - Two sets

—Co -Three sets

  

 

Coupled Driving Wheels : -

—Denoted by comma(’) & dash (-) to the denoting letter i.e.

—A’- One set

—B’- Two sets

—C’- Three sets

 

TYPES OF BOGIES

🔅ALCO  cast steel

🔅Co-Co Trimount

🔅Co-Co Tetra mount

  ATHS Bogie.

 

TYPES OF LOCOMOTIVE 

—Rigid Frame Locomotive:-

Bogie Type Locomotive:-

Chassis is directly mounted on wheels.

—Wheels are arranged into bogies, 

Chassis is mounted on bogies.

—Provides greater flexibility then rigid frame  arrangement for negotiating curves. 

 

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