Rails R 65: purpose, description, size

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2020-04-12 12:20:11

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The Basis of the Russian railway network are rails R 65 – linear design beam cross-section, which serve for the perception of loads from the rolling stock, elastic “processing” and subsequent transmission to the support – sleepers. The characteristics of these "steel beams" are regulated by GOST R 8161-75. It sets the design and size of hardened and unhardened rail and rail lashes type P65.

Rails R 65

Any rails designed for several purposes. First, they perceive and transmit the train loads. It is important to maintain longevity as the subgrade, and wheels. Second, they set the direction of movement of the rolling stock. And finally, they create a platform with the least resistance to rolling of the wheels. The surface of contact of the working elements is a few centimeters (3-5 depending on class path).rails R65The Scope of the linear structures is quite extensive. So, the rails R 65 as well as P50, P75 are used for laying ribbon and continuous path of broad gauge. They are also used when creating turnouts. In the latter case, use linear products with a modified profile (RK65).

Features rail

Rails R65, as well as any other types that are not ordinary I-beam.rails R65 weightSpecialists classify in the design of several conditional parts:

  1. Head & ndash; its shape provides a secure grip of the wheels of the rolling stock by rail.
  2. Neck – resists bending, and transmits them to support the top structure of a way.
  3. Outsole – provides stability throughout the linear design distributes stress across the surface of the sleepers. It consists of the right and left of the pen.

In addition, within the rail there are two areas located on the left and right side of the neck and occupying the space from the bottom edge of the head to the middle part of the sole. This so-called left and right sinuses. They are wedge-shaped grips, which fasten the rails R 65 with each other on some sections of the road.

Dimensions rail R65

Few people wondered why the rail R 65 is just such a form. Meanwhile, each radius of curvature, the flat area and slope were specifically selected experimentally or by calculations, to create optimal conditions for interaction with rolling stock.rails R65 priceMost of us know, that has a rail R 65 a weight of 65 kg, which actually is wrong. Exact mass meter is of 64.72 kg. the Other settings have the following meanings:

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  • The radius (R500) provides centering of the load, that is, makes coincide the longitudinal axis of the wheel with the axis of the rail;
  • R80 creates a smooth transition to R15, which creates a tight contact with the crest of a wheel;
  • Draft head of 1:20 corresponds to the slope of the wheel flange, what you need to mate with a crest of a wheel;
  • Radius R3 scroogled the sharp edge of the head that is made for the elimination of stress concentrators;
  • Transitional radii R15 and R370 introduced in order to provide a smooth blend of head-neck and eliminate the region with dangerous voltages;
  • Transition radius R400 at the base of the neck necessary for the smooth transfer of the load onto the sole;
  • Slope of the upper face of the sole and bottom heads the same (1:4), which is necessary for the installation of wedge plates, which simultaneously serve as spacers.

Every day enormous loads subjected to the rail R 65. Its weight in the industry of Russia cannot be underestimated. But if not the particular design, he could not cope with its task, would have quickly deformed and needed to be replaced.

Rail steel

All the rails rail (R 65, RK65, R75, R50) is made exclusively from rail steel. It has a high Flexural strength, hardness and wear resistance, which is achieved by high carbon content (0.82 per cent) and the addition of alloying elements – of manganese, vanadium, zirconium, silicon, titanium.railway rails R65М76ВТ – main steel grade used in the manufacture of rail lashes. Depending on the method of obtaining it may be the first (exclusively smelted in open-hearth furnaces) or the second group. Molded or laminated “blank” is a complex multi-stage heat treatment. In many respects, therefore, the rail R 65, the price is at such a high level - from 50 thousand rubles per ton.


Article in other languages:

AR: https://tostpost.com/ar/business/21859-65.html

BE: https://tostpost.com/be/b-znes/39360-reyk-r-65-pryznachenne-ap-sanne-pamery.html

DE: https://tostpost.com/de/business/38872-schienen-r-65-zweck-beschreibung-abmessungen.html

ES: https://tostpost.com/es/centro-de/38653-los-rieles-p-65-destino-la-descripci-n-el-tama-o.html

HI: https://tostpost.com/hi/business/23446-65.html

JA: https://tostpost.com/ja/business/21447-r65.html

KK: https://tostpost.com/kk/biznes/39735-rel-ster-r-65-ta-ayyndaluy-sipattamasy-m-lsher.html

PL: https://tostpost.com/pl/biznes/41466-szyny-p-65-przeznaczenie-opis-wymiary.html

PT: https://tostpost.com/pt/neg-cios/41126-os-trilhos-p-65-finalidade-descri-o-dimens-es.html

TR: https://tostpost.com/tr/business/36290-raylar-r-65-hedef-a-klama-boyutlar.html

UK: https://tostpost.com/uk/b-znes/40203-reyki-r-65-priznachennya-opis-rozm-ri.html

ZH: https://tostpost.com/zh/business/26812-r65.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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