“POINTS & CROSSINGS Part-4” "Crossing Assembly”"बिंदु और क्रॉसिंग भाग -4" "क्रॉसिंग असेंबली"
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- เผยแพร่เมื่อ 10 ก.พ. 2025
- A crossing is a device introduced to permit movement of wheel flanges at the intersection of two running rails. For this purpose it is necessary to provide gaps for movement of flange of the wheels to travel across a running rail. In order to ensure that this flanged wheel negotiates the gap properly and does not strike the nose, the other wheel is guided with the help of check rails.
As per angle there are 2 types
Acute angle is a lessthan 90degrees and obtuse is a greaterthan 90degrees All Crossings are acute angle 1in8.5, 1in12, 1in16, 1in20 so..on…
Obtuse angle used for all types of diamond crossings
As per built there are 4types Built-up, CMS, heat treated welded and moveable nose of xing
Presently built-up crossings are outdated, CMS crossings are widely used in IR as 1in8.5, 1in12, 1in16, 1in20 so..on…
Welded heat treated crossings developed and started using in IR
Heat Treated Welded Crossing has monolithic structure like CMS xing and bolted in excellent manner by tensile bolts and is electro welded. It has been high hardened i.e. BHN varies 330 to 360 where as 90 UTS rail is 260-280. It is 100% fit where 25T axle loads are plying i.e. high speed routes and dedicated fright corridors.
Movable nose crossings not being used in IR may come afterwards. Since fanshaped PSC sleeper assembly, crossing portion of sleepers from 65 to 83 100% suited for 3 types of crossings i.e. CMS, Heat treated welded & movable xings.
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after watching various youtube on railways- locomotives, coaches/wagons, signaling and track maintenance and the effort required i am of the opinion that it is far far more tougher than airplanes or airways.
Yes dear
Great!
Thanks Sir
Well explained Mr. Subharao.
Thanks Sir thanque for your support
Great Explanation Sir
Thanks for support Sir thanque
Brilliant sir
Thanks dear thanque very much for the support
Super sir
Sir whefw can i get drawings shown in video
Yes dear send mail id or WhatsApp number
Nice explain,sir pls help me to understand why IR used different variations of CMS-XING i.e 1 in 8.5 (52 kg/60 kg) 1 in 12 (52 kg/60 kg)....so on and what is the significant of this no and XING angle?
Dear Sir near HOC (heel of crossing) 1in8.5, 1in12 etc already embedded please
What help from my side
Sir ji video Hindi me bhi banaya karo
Sure sir thanks for supporting please
Telugu lo simple ga cheppandi
OK Sir will try please