Abstract. In the engineering industry, where the main waste is metal shavings, it can be sent for reprocessing and recovered. It is completely different in the case of organic waste, e.g., sawdust or straw. From the point of view of energy recovery, they can be burned. At this point, the question arises how to realize the idea of obtaining energy from organic waste? Wood chips or sawdust are burning very quickly and are in a loose form, which makes furnace power quite bothersome. In order to extend their burning period and improve the comfort of use, it is possible to use the pressing process. The high degree of compaction of the material means that the combustion takes much longer. Briquetting presses are devices that convert uncomfortable waste into a useful product. The article presents the process of a briquetting press design − from the idea, through the design and technology development, strength calculations and the implementation of a simulation model that verifies production assumptions. The design stage of the project contains a detailed description of the dimension selection of the elements of the main hydraulic cylinder. First, calculations of the basic parts of the actuator were made. The next step was to check the individual parts using FEM. In the case of the actuator, the analysis concerns the pressing process and the return stroke. The technological stage of the project includes the selection of the appropriate technology of machining of each of the seven main elements of the actuator. The simulation phase of the project uses the model of the company's production processes. The analysis showed the necessity of providing additional storage areas in the area of production halls and providing an additional number of operators. At this stage, the assumptions regarding the number of deliveries, the size of the production batch, routes and the choice of means of transport were verified.
The optimal use of resources available in the enterprise is important regardless of the size of the company and the industry in which it operates. Enterprises are therefore forced constantly to make alternative choices related to the allocation of available resources and to optimize these choices. The article addresses the problem of the approach to optimizing the use of human resources particularly, the use of extra employee qualifications e.g., manual skills, pressure resistance, work precision, the ability to read schematic diagrams, etc. in the context of technical requirements for a given task. This is extremely important in the situation when subsequent works are individual and the conditions in which they will be performed, cannot be predicted in 100%, they may differ from those that have been implemented so far, and at the same time numerous orders of various nature are being implemented. In this situation, an accurate prediction of the requirements posed by new tasks and the appropriate selection of teams executing them can have an impact on the effectiveness of the task completion process. In the article, this problem is presented on the example of a medium-sized service enterprise operating in the industry-related sector operating basically on tender procedures and tender contests. The works are carried out on the customer's premises, often with new customers or in new field conditions. Thus, the success of the undertaking depends mainly on the optimal selection of employees with appropriate qualifications and competences. The example of an investment task is used to show a method of identifying characteristics relevant to the task as well as selection of employees in order to use the capabilities of human teams better. Technical aspects of task implementation and an employees team selection with regard to the absolutely required technical qualifications as well as the behavioral and physical skills necessary for its implementation are taken into account. The described method can be used for future tasks regardless of the changing conditions of their implementation. The intention of the authors is to develop a tool supporting the decision-making process in this area, so that it can also be used by managers with lower technical competences.
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