The environment in which managers currently operate is dynamic and turbulent. This fact affects the great complexity and dynamism of changes. Thus, decision-making becomes more complex in the context of sustainability. Decisive decision-making is becoming rare, and the challenge of globalization is increasing. Under its influence, decision-making is no longer deterministic. Decision-making processes prevail in conditions of uncertainty. In this context, there is a very intense need to be acquainted with progressive tools to support decision-making and management and to apply the acquired knowledge in practice. This paper focuses on three related areas. We are talking about knowledge management in connection with the most important contributing element—decision-making with quality management. We deal with the characteristics of the individual areas, defining their mutual relationship on a systemic basis. The paper also points to the necessary connection between theory and practice. More specifically, it points to the practical applications of management to decision-making as a managerial function and, at the same time, related to decision-making in quality management. Subsequently, we define the links to knowledge management with an emphasis on the use of procedures, methods, and knowledge in the decision-making process, which we use in theory and practice in quality management.
The present article analyzes the specific measurement strategies (techniques) of contact measurement that are used to determine the position deviation of the threaded holes using 3D coordinate measuring system. Furthermore, there are analyzed direct and indirect (location gages) measurement techniques to determine position of the threaded holes and results of the measurements.
The article compared the strength results of the single-lap adhesive joints made of galvanized steel sheet. The shear strength of the adhesive joints was determined for two methods of surface treatment -using a degreaser (method B) and without a degreaser (method A). A twocomponent epoxy adhesive based on Bisphenol A was used for joining. The shear strength tests were carried out on a Zwick/Roell Z150 testing machine. The analysis of the surface roughness parameters of the samples for the method A was performed. The highest shear strength value (8.82 MPa) was obtained by method B and using P120 abrasive paper. The lowest shear strength value (4.08 MPa) was received using method A and P600 abrasive paper. The maximum values of measured surface roughness parameters were recorded for samples prepared with abrasive papers with granulations, respectively: P120, P220 and P180. The lowest values of Ra, Rz and Rt parameters gained using P600 abrasive paper.
For a variety of engineering technologies, machining has a specific position because it is a technology that meets the highest requirements on accuracy and quality of products and involves processes that are final, i.e. the last in the production processes of parts machining. Therefore, these processes largely affects the final shape and dimensional requirements of high quality components and hence their performance characteristics, particularly the accuracy and durability. Such production methods designed to achieve high dimensional and shape accuracy is grinding and other finishing methods (superfinishing, polishing, lapping) involved in a high percentage of the production of components whose quality can not be achieved by other technologies, eventually very difficultly. Lapping and about influence of modification of production parameters on quality of lapped surface after lapping. In the experimental part were taken measurement of roughness parameter Rt. From measured values was evaluated which production parameters are useful and economic preferable by demanded reduction of production time and by keeping the roughness parameter at Rt = 2 μm.
Leading manufacturers and sellers of products in the field of rolling bearings for the automotive industry guarantee their quality. Extensive product testing is required to guarantee quality. When testing wheel bearings, bending fatigue test stations are used, among other things, to verify the strength of components. The content of the presented work is the analysis of the effect of bending moment on the temperature of a newly wound wheel bearing of the 3rd generation, based on experimental measurements. These are dynamic tests of the strength of wheel bearing components at a resonant test station. This verification is very important and has the effect of preventing the start of mass production of components that do not meet the basic safety requirements. bending moment temperature wheel bearing
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