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 7th Balkan Mining Congress - confOrganiser.com

7th Balkan Mining Congress

October 11 - 13, 2017.

STRESS STATE OF RAIL VEHICLE WHEEL RIM IN EXPLOATATION

Author(s):
1. Drago Blagojevic, Banjaluka, Republic of Srpska, Bosnia and Herzegovina
2. Mladen Todic, Faculty of Mechanical Engineering, Republic of Srpska, Bosnia and Herzegovina
3. Valentina Golubovic Bugarski, Faculty of Mechanical Engineering, Republic of Srpska, Bosnia and Herzegovina


Abstract:
Complex stress state of rim in the contact zone between wheel and rail varies depending of vehicle exploatation regime. Wheel load and inertia force produce normal stresses, and shear stress is alsooccured in contact zone at starting and braking.Thermal stresses at braking produce changes in structure, deformation and tribological effects on wheel wreath. This paper analyzes these influences and derives analitical equations for state of strees which quantify these influences.

Thematic field:
Production Technologies and Engineering

Date of abstract submission:
26.03.2015.

Conference:
DEMI 2013

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