Trošenje kotača niskopodnog tramvaja serije TMK 2300

undergraduate thesis

• Title (english): Wear of wheel of low-floor tram series TMK 2300
• Author: Antonia Sambolec
• Mentor: Suzana Jakovljević (mentor)
• Granter: University of Zagreb; Faculty of Mechanical Engineering and Naval Architecture; Zagreb
• Defense date and country: 2025-02-24, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Mechanical Engineering; Production Mechanical Engineering

Abstract

S razvojem željezničkog prometa, raste potreba za povećanjem sigurnosti i udobnosti tijekom vožnje. Posljedično, primjena znanja tribologije postaju ključna u svim fazama razvoja i održavanja vozila – od konstrukcije i dizajna, preko odabira materijala i metode toplinske obrade, do održavanja sustava. U ovom radu detaljno je analiziran uzorak istrošenog kotača tramvaja modela TMK 2300. Opisana je konstrukcijska izvedba osovinskog sklopa niskopodnog tramvaja. Nadalje, proučene su različiti tipovi kotača tračničkih vozila, a u sklopu toga je opisana izvedba kotača niskopodnog tramvaja modela TMK 2300. Analizirani su najčešći mehanizmi i procesi trošenja te su priloženi primjeri istih s analiziranog uzorka. U eksperimentalnom dijelu rada provedeno je mjerenje profila i dimenzija gazne površine kotača koja je uspoređena s dimenzijama profila novog kotača, analizirana je mikrostruktura materijala kotača te izmjerena i analizirana tvrdoća materijala na različitim udaljenostima od gazne površine prema središtu kotača.

Abstract (english)

With the advancement of railway transportation, there is an increasing demand for improved safety and passenger comfort. Consequently, the application of tribological principles is essential at all stages of vehicle development and maintenance, including design and construction, material selection and heat treatment processes, as well as system maintenance. This study presents a comprehensive analysis of a worn tram wheel from the TMK 2300 model. It details the structural design of the low-floor tram axle assembly and explores various types of wheels used in rail vehicles, emphasizing the design features of the TMK 2300 low-floor tram wheel. Predominant wear mechanisms and processes were investigated, supported by examples from the analyzed sample. The experimental section includes measurements of wheel tread profile dimensions, which were compared to those of a new wheel profile. Additionally, the microstructure of the wheel material was examined, and hardness measurements were conducted at varying distances from the thread wear surface towards the wheel centre.

• Keywords: tribologija; trošenje; kotač; tramvaj
• Keywords (english): tribology; wear; wheel; tram
• Language: croatian
• URN:NBN: urn:nbn:hr:235:956535
• Study programme: Title: Mechanical Engineering; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka strojarstva)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2025-02-20 10:16:39