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The article discusses the issue of crack propagation occurring in the surface of friction rings of spheroidical cast iron brake discs for railway applications. The first part describes the mechanism of crack formation as well as the maintenance procedures in the area of assesing technical condition of brake discs. Because most of used procedures do not include measurements of the depth of cracks which...
W elektrycznych zespołach trakcyjnych, ze względu na występowanie napędnych zestawów kołowych, tarcze hamulcowe są montowane do kół zestawów kołowych. Mimo, że hamowanie pojazdu jest wykonywane głównie za pomocą hamulca elektrodynamicznego, to w zależności od zastosowanego typu hamowania, w niektórych fazach hamowania dodatkowo jest używany hamulec cierny. W eksploatacji napędnych zestawów kołowych...
In electric multiple units due to the existence of the wheelsets, the brake discs are mounted on wheels of wheelsets. Although the braking of the vehicle is carried out mainly using an electrodynamic brake, depending on the type of braking implemented, a friction brake is additionally used in some braking phases. In the operation of driving wheelsets, the wear of the friction surface of the disc to...
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