TOUGHNESS AND FATIGUE ANALYSIS OF AL 6xxx ALLOYS
Mechanical properties of every material play important role during material selection for any mechanic system. The main mechanics property which is crucial for material selection is Toughness. The paper present some of the aspects in problems of the toughness and fatigue for Aluminum Alloys. The paper also presents the set of the ASTM anf BritishSt...
By Bahrudin Hrnjica, Dženana Gačo, Esad Bajramović
THE DISTRICT HEATING SYSTEM IN THE CITY OF KAKANJ
The heating of residential and commercial premises in urban areas during winter periods is mostly performed by use of the heat energy which is distributed through central or city heating systems. Water, steam and gas are used as the basic working media in these heating systems. The thermal energy that is used in the city of Kakanj and its surroundi...
By Almir Kahriman, Nedim Hodžić, Elma Ekinović
ANALYSIS OF DISC BRAKE FRACTURE USING COORDINATE MEASURING MACHINE AND 3D CAD MODELING
A brake disc is exposed to various loads during its operational life, which cause braking surface wearing, disc deformation, structural changes, residual stresses etc. The goal of this paper is to find out the main cause of fractures on braking surface, by measuring flatness and wear of braking surface, and to give main guidelines to prolong the op...
By Amel Karić, Samir Lemeš
QUALITY IMPROVEMENT STRATEGIES COMMON GOAL AND VARIETY OF WAYS
For about sixty years principles of TQM, Kaizen, Six Sigma and others continuous improvement strategies (CIS) play a vital role in quality engineering and management. They are presented in many books, scientific and professional journals, consulting companies offers and first of all in the Internet as an easy tool (almost a patent) for an efficient...
By Adam Hamrol
ACADEMIC STAFF EVALUATION – OBJECTIVE MODEL
Academic staff evaluation poses a unique challenge in higher education system in Bosnia and Herzegovina. The established practice of selfrepresenting the absolute authority in public higher education institutions attenuated by the emergence of private higher education institutions where the employers sought for the results, expressed their own, as ...
By Enes Dedić
MAINTENANCE AND EFFECT OF MACHINES WORKED ON CONSTRUCTION SITE
The paper explained meaning and importance of the impact of construction machinery due to the specifics of their use. Describes how organization of maintenance activities of machines on construction sites and points to the impact this has on their performance. Accent was placed on possibilities of improving existing practice of building contractors...
STRESS STATE IN ROTARY KILN SUPPORT ROLLERS
In the paper stress analysis of rotary kiln support rollers is conducted. Stress state in the support rollers is caused by temperature gradient, shrinkfit connection between shaft and roller and by the contact with kiln ring. The stress analysis is done analytically and numerically, and the results obtained are compared....
By Alma Žiga, Josip Kačmarčik
CALCULATION OF PARAMETERS FOR OVERHEAD MONORAIL ON THE ROUTE IN HALJINIĆI PIT, ZD RMU "KAKANJ" D.O.O. KAKANJ
Haulage of material is one of the basic operational phases of the production process in Haljinići Pit. The monitoring and problem-solving in thisvsegment are of crucial significance for achievement of all planned quantities.Production activities, manner of exploitation, type of equipment used and a number of other factors involved in this activity ...
By Kasim Bajramović, Jovan Sredojević
INCINERATION IN REGION THAT BELONGS TO THE REGIONAL LANDFILL MOŠĆANICA – A CHANCE?
Regional incineration process by regional landfill site Mošćanica is a chance for municipality of Zenica and municipalities nearby. The obligations of the municipality towards EU regulations could be fulfilled by building one incinerator plant. Current waste management strategies and (role beaks) adopted for dumping waste by Bosnia and Herze...
By Semir Selimović
ADVANTAGES OF BIOREACTOR IN THE PROCESS OF CONTROLLED COMPOSTING BIOWASTE
The process of composting of biowaste, while ensuring the necessary conditions and depending on the composition of composted material can be carried out in natural conditions. If we want to influence the speed and stability of the process of degradation of organic matter from biowaste, it is necessary that one or more influencing factors control th...
By Muvedet Šišić, Farzet Bikić