Twin screw compressors are extensively used in applications which require pressures higher then allowable pressure in oil free compressors but would benefit from oil free operation such as food processing, pharmaceutical industry etc. The major limitation for achieving high pressures is due to prohibitively high temperature increase in oil free ope...

By AHMED KOVAČEVIĆ, SHAM RANE, NIKOLA STOŠIĆ, GRAHAM STUPPLE

Hydraulic cylinder malfunctions are very common causes for the failure of the operation of the hydraulic system. Most common causes are in cylinder’s seal failure, whereby the error by replacing the seals can be relatively quickly eliminated. In the case of frequent occurrence of the same failure, the problem should be more carefully addresse...

By DARKO LOVREC, VITO TIČ

The basic objective of machine structure testing is to reduce the number of structures without satisfactory quality, which are either discarded as scrap or sent for additional machining. The non-destructive testing can detect surface and internal errors in structures, depending on the applied testing method, which enables total quality of the produ...

By ESAD BAJRAMOVIĆ, KEMAL DEKANOVIĆ, EMIR BAJRAMOVIĆ

The permanent theme at the machine trade fairs is Industry 4.0, and it is apparent that dramatic changes are taking place in the industry. Industry 4.0 will be a milestone when it comes to increasing production and efficiency. Within this vision comes the SOPHIA, IoT Biesse platform, which enables its clients access to a wide range of services for ...

By ALAN LISICA

PowerPoint is a popular classroom tool to make simple presentations. Such presentations can be flat when creating interactive lessons for students to use while sitting in front of the computers. Using built-in scripting features, Visual Basic for Applications, the interactivity of PowerPoint can be extended to unlimited dimensions. This paper has t...

By ALMA ŽIGA, HERMINA ALAJBEGOVIĆ