Development of production technology of rolling stock cast parts

Toirov, Otabek; Tursunov, Nodirjon

doi:10.1051/e3sconf/202126405013

Cited by 37 publications

(15 citation statements)

References 4 publications

(5 reference statements)

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“…In the double molding machine EFA-ZFA-SD 5 (5), the top and bottom half-forms are made simultaneously. The holder of model plates in the machine with sand-filled flasks and a filling frame on it rises the turntable using the lifting table of the molding machine to the working position under the frame of the sealing device.…”

Section: Resultsmentioning

confidence: 99%

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Development of technology for manufacturing molding and core mixtures for obtaining synthetic cast iron

2023

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The article presents the technology for manufacturing molding and core sands for producing synthetic cast iron and also describes the scheme of the molding-pouring line. The composition and properties of core mixtures are reflected. Shows the process of preparing the molding sand using a mixing runner.The relevance of the topic lies in the fact that the increase in cargo transportation in the world places increased demands on cast iron used to manufacture railway parts and sets new challenges in the field of metallurgy, while reliability and durability are the most important of them. The fulfillment of these requirements determines the competitiveness of products in the corresponding segment of the railway transport market.

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Section: Resultsmentioning

confidence: 99%

“…Garbage is not allowed to enter. Serve to runners in buckets; silver graphite should be stored in bags in a closed room [4,5].…”

Section: Introductionmentioning

confidence: 99%

Development of technology for manufacturing molding and core mixtures for obtaining synthetic cast iron

2023

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“…The issues of increasing the operational reliability of locomotives along the route of the rolling stock, taking into account the normalized throughput and carrying capacity of sections of the Uzbek railways, are studied by domestic scientists [17][18][19][20][21][22][23].…”

Section: Objects and Methods Of Researchmentioning

confidence: 99%

To evaluation of the efficiency of UzTE16M3 diesel locomotives on the high-speed section of the railway

Ablyalimov

2024

E3S Web Conf.

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The results of the calculation of the kinematic parameters of the movement of a freight train by a graphical method on a virtual hilly section of a high-speed railway when moving without stops and with stops at an intermediate and final station are presented. The values of energy efficiency indicators of UzTE16M3 diesel locomotives were obtained in quantitative and monetary terms when driving a freight train of a unified mass of train. The research results are presented in the form of tabular data and will be implemented by specialists of the locomotive complex in substantiating the efficiency of the transportation work of UzTE16M3 diesel locomotives in real operating conditions.

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“…Based on the above, in recent years, various methods of out-of-furnace steel processing have been developed, which make it possible to eliminate certain disadvantages of induction melting [6,7]. One of them is the modification of steel in the bucket with rare earth metals (REM).…”

Section: Methodsmentioning

confidence: 99%

Improvement of the out-of-furnace steel treatment technology for improving its mechanical properties

et al. 2023

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The problem of increasing the competitiveness of technology today is largely determined by the quality of manufacturing large-sized cast billets for their supporting systems. Many factors are involved in forming the service properties of a casting. Each factor is important and affects the quality of the resulting casting. The presence of "cold" slag does not allow refining processes to be fully realized during the induction melting of steel. Therefore, attempts to achieve the same results for induction melting steel without additional furnace treatment as for electric arc melting steel do not always lead to success. In recent years, various methods of out-of-furnace steel processing have been developed, which make it possible to eliminate certain disadvantages of induction melting. One of them is the modification of steel in the bucket with rare earth metals (REM). Additional modification of steel in the ladle along with REM also allows for further improvement of steel quality. Currently, REM, with a high affinity for oxygen, sulfur, nitrogen, non-ferrous metals, and other impurities, are widely used in the steel production. Studies have been carried out to improve the technology of out-of-furnace steel processing and its mechanical properties. The effect of alkaline earth and rare earth master alloys on impact strength and the contamination index with non-metallic inclusions of cold-resistant steel is shown.

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Development of production technology of rolling stock cast parts

Cited by 37 publications

References 4 publications

Development of technology for manufacturing molding and core mixtures for obtaining synthetic cast iron

Development of technology for manufacturing molding and core mixtures for obtaining synthetic cast iron

To evaluation of the efficiency of UzTE16M3 diesel locomotives on the high-speed section of the railway

Improvement of the out-of-furnace steel treatment technology for improving its mechanical properties

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