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Quality is a certain degree of excellence and is one of the important factor in realization of the production process. Evaluation of the quality excellence in production project management is connected with a process of making changes in particular phases of project realization. The thesis proposed in the article is: the effective quality improvement based on implementation of the quality management method contributes to achieve the planned quality in the production project.
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The analysis of the state of security in the coal mines of Ukraine showed an urgent need for equipment to monitor the safety of production processes, identifying its shortcomings. The necessary regulatory requirements of the legislation of Ukraine on this issue have been considered in detail. A solution to the problem of creating modern equipment for monitoring the safety of production processes in coal mines through a new approach and a change in concept has been proposed.
This article is devoted to the initial phase of data analysis of failure data from process control systems. Failure data can be used for example to detect weak spots in a production process, but also for failure prediction. To achieve these goals data mining techniques can be used. In this article, we propose a method to prepare and transform failure data from process control systems for application of data mining algorithms, especially cluster analysis.
Thai jewelry is the world’s leading jewelry which has gained high reputation and recognition from customers worldwide. In the past decade, jewelry have become one of the top ten export product of Thailand with the current export value of around 58,000 million baht per year which is 3.4 percent of all Thailand export products. Due to the high competition in the world market, however, Thai jewelry manufacturers needs to continue to improve their product quality as well as process efficiency in order to gain more market share. Currently, computer-aided tools have become more powerful tool in jewelry production management. They have been used to design production process, plant and workstation layout, production planning, worker’s scheduling, and other decisive decision making in both high management and shop floor levels. This research demonstrates a case study of plant simulation application for jewelry production process improvement. The objective is to reduce bottlenecks and increase productivity in wax pattern and casting processes using line balancing. Various scenarios have been proposed in order to support different level of desired output rate due to the increase of demand. The results of line balancing and simulation models reduce bottlenecks. Hence, productivity is increased. The desired throughput rates are achieved with the minimum number of workers and machine in the system.
The main objective of the present paper is to highlight the importance and impact of the concept of reengineering, both by identifying certain opportunities to improve the performance of Romanian printing companies and some strategies of total redesign of the production process based on highlighting some of their effective combinations as well as the integration of some proper mathematical models. First of all, this study will focus on achieving results that are based on identifying some specific problems that companies have faced at a certain point and on concrete problem solving solutions. Second, there should be emphasized that reengineering works in almost any situation related to a big or small company or the production area or NGOs. Specific objectives: designing and testing a mathematical model that can be adapted to the specific activities of the printing organization, providing the best solution of variable allocation to increase performance.
The article presents the results in the scope of analysis and improvement of the galvanized wire production process with the use of Six Sigma's DMAIC cycle. The basic problem was identified - incorrect wire diameters after galvanizing and specific tools and methods were used to analyze this problem and look for its solution. The potential of Pareto analysis, SPC method, control plan, 5WHY analysis was used. As a result of the analyzes carried out, the source cause was identified - contaminated containers dispensing the preparation maintaining the temperature in the galvanizing unit. To eliminate the problem, maintenance of the machine used to cover the bare wire with zinc was carried out, which allowed to achieve the following results: standstills at the Drawing and Galvanizing Department were eliminated, the duration of the manufacturing process and the percentage of products beyond the specification were significantly reduced.
The aim of this article is to show the use of the analysis of the failure causes and effects as a prevention tool in controlling the quality of a given production process in the company. The scope of the work covers an analysis of a selected process, definition of inconsistencies present in this process, and then the FMEA analysis. In the production company one should implement thinking and actions based on the so-called ‘quality loop’ – it is an interdependence model of the undertaken actions which affect the quality shaping. It is carried out from the possibility for identifying a customer’s requirements through a project, production process, up to the assessment of effective capability for meeting the defined requirements.
The application of such an approach enables to take the actions improving the operation of quality management in a systemic way.