Bogie Bolster Suspension: The bolster rests on the bolster coil .. 2 nos. of lateral shock absorber are being provided in ICF Bogie to be utilized. Roll and it’s Prevention. ❑ Effect of roll on human body. ❖ Type of roll: UCR and LCR. ❑ Prevention not available in ICF bogie. ❑ Anti-Roll bar mechanism in LHB . ICF Bogie – Free download as Powerpoint Presentation .ppt), PDF File .pdf), Text File .txt) or view presentation slides online.
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The roller bearing is pressed after the retraining ring. The washers also had to be replaced in the coaching maintenance depots leading to lifting and lowering of bogue.
Views Read Edit View history. This helps in dampening the vertical vibrations. The rear cover has two main grooves. The cylindrical housings have silent blocks placed in them.
The maximum variation in the wheels on the same axle is permitted up to 0. The top end of the hanger also has a similar arrangement.
It is attached to the bogie frame through the anchor link. Main sub-assemblies of bogie frame viz. The axle box guide displaces the oil in the lower spring seat and pushes it upwards. A polymer packing ring and a guide ring is attached with the Acetal guide bush. It is attached to the bogie frame on the outside with the help of a steel hanger. The anchor link is a tubular structure with cylindrical housing on both the ends.
A center pivot pin is bolted to the body bolster. This arrangement provides the dampening effect during the running of the coach. A rubber or a Hytrel washer is placed below the lower spring seat for cushioning effect.
Both of the brake beams are fabricated structures. The reason for replacement of the rubber washers with the hytrel washers was that the rubber washers were not lasting for the full Periodic overhaul cycle of the Railway Coaches which was one year. Railway coaches of India. It is not bolted or welded either to the bogie frame or the bogie bolster. However, this is practically difficult to maintain in the shop floor of bogie shop. Increase the hole diameter from 5mm in the guide cap to more than the existing diameter.
Roller bearings are used on the ICF coaches.
Moreover, obgie small brake cylinder is adequate for braking purpose. The secondary suspension arrangement of the ICF coaches is through bolster springs. The brake head in turn receives the brake block. In order to adjust for the difference in the wheel tread, a packing is placed under the flange of the hogie spring seat.
The front cover is bolted by using torque wrench. A brake head is a fabricated structure made up of steel plates welded together.
Please help improve this article by adding citations to reliable sources. Hence on examination of the failed axle boxes, it was noticed that the Hytrel washers were forming a deep groove of 4 to 8mm on the seating area of the axle box spring seating.
Rail Maniac: ICF BOGIE ( DETAILED )
In the dashpot arrangement, the top portion is called the axle box guide. Integral Coach FactoryPeramburChennai.
The design is also called the Schlieren design based on the location of the Swiss company. A silent block, which is cylindrical metal rubber bonded structure, is placed in the central hole of the bogie bolster through which the center pivot pin passes. The bogie pivots around it using the center pivot pin. It involves 40 meters app.
This provides the dampening of vibration in a running coach. These levers are used to bogid the brake beam with the piston of the brake cylinder.
Earlier, the collar and the bearings were heated in an oil bath. Various type of levers are used on the ICF coaches. A homopolymer acetyle washer is placed on the lower end of the ic box guide. The lower spring seat acts as a cylinder and the axle box guide acts as a piston.
A study was carried out bogi a major workshop on Indian Railways and it was found that the washers were having a hardness more than the specified limits.