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What is CBC coupling?  
1 Answers
Sep 30 (14:08)
Coach Construction/Seating Arrangements

Entry# 2206     
RF Shanku^~
What is CBC coupling?

★  Info Update
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21330 views
Jan 01 2018 (18:52)
Blog Post# 2959547-0     
Abdul Rehman अब्दुल रहमान عبدل رحمٰن^~   Added by: RF Shanku^~  Sep 30 (14:08)
What Is Centre Buffer Couple (CBC).
Coupling facilitates inter connection of rolling stock to form a train. Due to certain limitations of age old srew coupling system, CBC becomes the most useful & viable choice. There are certain features of CBC which makes it an unanimous choice & extensively used in most of the freight cars, EMU coaches & all of the LHB coaches of Indian Railways.
Saliant Features
It
...
more...
transmits both draft & buffing load between vehicles and to/ from under-frame. It absorb high frequency forces during impact & dissipates low frequency forces to protect the vehicle from damage. It has got multi functional units like Draft+Buffing & Automatic FP+BP connections.
Advantages of CBC
Automatic coupling type & Quick detachment possible, which in turn is safe for shunting staff & reduces time required.
Less staff for uncoupling.
Prevention of uncoupling in the event of derailment/accident.
Anti-climbing feature (for LHB coaches) to prevent damage to life & property during accident.
Types of CBC adopted in IR
AAR E/F type used in wagons.
AAR(H) type Tight lock used in LHB coaches.
Dellner Coupler used in LHB coaches.
Rigid Type Schaku coupler used in DMU/EMUs.
Slackless drawbar in BLC wagons.
Transition coupling (e.g. in BOBYN).
Hook type in MG/NG stocks.
Main Components of CBC
Coupler body - Knuckle - Lock.
Knuckle thrower.
Lock lifter assly.
Yoke,Yoke pin,Yoke pin support.
Striker casting.
Draft Gear.
Uncoupling device.
Back Stop
Info Source :-Google.
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