Methodology of overall equipMent effectiveness calculation in the context of industry 4.0 environMent Metodologia obliczania ogólnej efektywności sprzętu w kontekście środowiska industry 4.0 Industry 4.0 and related Maintenance 4.0 demand higher requirement for productivity and maintenance effectiveness. Nakajim's OEE indicator still plays an important role in measuring effectiveness of production and maintenance. In connection with the current Industry 4.0 challenge, the issue of Industrial Internet of Things (IIoT) is highly accentuated. This topic includes the matter of autonomous management and communication of individual machines and equipment within higher and more complex production units. Authors propose original calculations OEE for the whole production line from OEE knowledge and individual machines, including knowledge of their nominal and actual performance. The presented solution allows a greater depth of analysis of machine efficiency and overall effectiveness calculation of different assembled production lines based on knowledge of individual machines efficiencies.

This article describes an experiment aimed at monitoring of the oil condition and machine wear mode used in hydraulic system of handling line Baljer & Zembrod by Tribotechnical diagnostics methods. The experiment lasted for one year, five oil sample were taken during this period and evaluated their qualitative properties. By oil analysis were evaluated the physical-chemical analysis: viscosity at 40 °C, water content and Total Acid Number. This oil analysis further includes FTIR analysis for monitoring of degradation products in oil; monitoring of oil contamination for determine the level of contamination and number of wear particles using with laser particle analyser and atomic emission spectroscopy for elemental analysis. Increased of oil contamination and increased content of wear metals as iron, chromium and copper were detected only in the 5th oil sample. Other monitored parameters were situated within the required tolerance at all time of the experiment. Based on the results of the oil analysis and for increased of thermal oxidative degradation products of the oil detected by FTIR analysis we recommend that the oil should be cleaning using with electrostatic filters when hydraulic oil will be exchanged.

Vast part of environment pollution is caused by the lubricants. Lubricants are mostly of mineral origin. They are toxic and not easily biodegradable. Transition to biodegradable oils involves several technical issues. During the operation of machines and equipment wear occurs due to formation of particles that pollute the lubricant fillings. Cleanliness of the oils in lubrication systems is an important prerequisite for maintaining the operating conditions of machines and equipment.The aim of this article is to evaluate distribution of wear particles of tested transmission oil samples via automatic laser particle counter and classifier LaserNet Fines-C which is highly accurate and a fully automated tribotechnical diagnostics device.

The combustion engine is a very widespread energy source for many machines and devices. Diesel, gasoline, LPG, CNG, as well as many biofuels such as ethanol, butanol, etc. are used as propellants at the present time. During the running of the internal combustion engine, some fuels penetrate into the crankcase and degrade the engine oil. This potentially reduces the lubricating ability of the oil and changes its degradation process. Submitted paper follows possible changes in lubricating capabilities of oil used in engines with specific fuels: n-butanol, LPG and diesel. Different type of fuel used in combination with an inappropriate operating mode might have a significant influence on the oil and consequently on the engine wear (monitored by a laser particle analyzer). This paper also deals with presence of various types of particles in the engine oil. Results demonstrate proceeding changes noticed in oil and also how was the degradation process effected.

The article is aimed at verifying the state of a real workplace using virtual reality. In analyzing the readiness of virtual reality applications, augmented reality was selected for the following work. The most significant advantage of augmented reality is the implementation of a virtual model and the ability to deal with the analysis in a real environment, which is particularly beneficial in the case of production plants. In the first phase of the work, an analysis of the current state of the workplace was carried out, where the requirements for the design of the new workplace were specified. This was followed by the phase of design preparation in 3D modeller. At this very stage it appeared to be advantageous to use virtual reality applications; in the design process, regular approval procedures are required as for an expert team (management, design, quality, ...), which puts high qualification requirements on the readiness of this team. In this phase, the 3D design of the new workplace was inserted into the application supported by augmented reality and some options were indicated to deal with the ergonomic and risk analysis. The result of this work is, in particular, an extension of options in designing and analyzing production workplaces and machinery in multidisciplinary teams.