The result was mainly due to the ill-considered use of quality management tools. Despite that, after a review of the selected works, it is possible to demonstrate that there is still need for a model that allows for supporting the identification of causes of incompatibility and actions for improvement. Towards this aim, the key is to use effective instruments. The analysis of product defects is the process of incompatibility, identifying the causes of occurrence incompatibility, which has an impact on the rejection product. Therefore, controls of quality are the first stage of improving the quality of product. However, these quality controls allow the identity of incompatibility but do not show the causes of its occurrence. As part of the identified identity of the incompatibility of the product, a popular in industrial practice is the use of nondestructive testing (NDT), which, compared to that of destructive testing (DT), allows control without destroying the product. ![]() Proper stabilization of the production process allows the possibility of organizational development and future development, and more complex action design and improvement. It refers simultaneously to the need to make an adequate selection of improvement actions. An elementary action in the quality process of achieving the needed quality of products is to identify possible incompatibilities and an effective diagnosis of its source and causes. Therefore, the model can be useful for improving the quality of products in any enterprise.Īchieving adequate product quality includes the necessary actions that allow for repetition of results in industrial conditions. Additionally, this model is universal and has applications with analyzing any product and the causes of its incompatibility, and it can be integrated with any product quality control. Originality is the combination of selected quality management tools in a coherent model, the main aim of which is to identify the main causes of incompatibility and improvement actions. In the last stage, the 5Why method was used to determine improvement actions, i.e., adjust clotting parameters, introduce the obligation to undergo periodic training, and set aside a separate place for storing the electrodes. ![]() Next, during the BM method, the main causes were selected. Then, the Ishikawa diagram (according to rule 5M + E) was developed to group the initial causes. After the BM method, the source of incompatibility and initial causes were identified. Then, a team of experts was selected from which the brainstorming (BM) was realized. The purpose of the analysis was created by the SMART(-ER) method. The model verification was carried out for the incompatibility of the mechanical seal in alloy 410, in which the porosity cluster was identified by the fluorescence method (FPI). The purpose was to develop a universal model that supports improving the quality of products via the consistent and repetitive determination of the causes of product incompatibilities and actions leading to their elimination the model can be integrated with any quality control of the product. Despite using quality control, there is a constant need to support this process to achieve an effective, precise, and complex analysis of product quality. We hope these charts will facilitate brainstorming by foundry teams as they explore the reasons for a specific defect, by process of examination and careful elimination of non-applicable variables.Improving the quality of industrial products quality still is a challenge. These ‘cause-and-effect’ analysis charts, limited to 6 major casting issues, account for almost 90% of casting problems related to green sand moulding. In pursuit of MPM’s spirit of sharing our decades of know-how in green sand management and control, our team of experts have created readymade FISHBONE Diagrams for problem solving and quality control in foundries. It's a way of life for foundrymen in QC and rejection meetings! What do foundrymen have to do with fishbone diagrams? Plenty! ![]() By continuous use of this method, process variables are updated and the accuracy and speed of achieving focused outcomes is vastly improved. Ishikawa diagrams were popularized in the 1960s by Kaoru Ishikawa, who pioneered quality management processes in Japan which then spread throughout quality circles globally.įishbone Diagrams are very useful when all variables are known.
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