Quality control is one of the most important areas in the production process. Quick inspection requires the most efficient techniques for comparing and inspecting manufactured parts with CAD design. One of the methods for evaluating product quality is to compare the CAD model with&...

In the field of precision measurement and testing by state-accredited laboratories, the area of measurement uncertainty has a clear and indispensable role. This article builds on a 2018 study (The Influence of Humidity on ABS Plastic Measurement Result). This study addressed the variabi...

This article deals with one of the research directions solved at the Department of Machining Technology of the University of West Bohemia in the field of thin-walled parts machining technology. The main objective of this research was to find suitable conditions for machining parts&...

High velocity oxy-fuel spraying (HVOF) being one of thermal spraying techniques, is deployed in many commercial applications mostly for very hard wear and/or corrosion resistant coatings. Supersonic speed of the spraying jet combined with temperatures around 5500 K is utilized to spray&...

In this article, we show the results of a study of the structure of a turbulent flow behind a square cylinder. Namely, for the series of points that have the highest standard deviation value. During the experiment, we were changing the position of the square cylinder ...

The study focuses on microstructural evolution in a WC-Co powder mixture during Selective Laser Melting (SLM) and hot isostatic pressing (HIP) processing. This powder mixture contained a 13 plus/minus 0.6 % weight fraction of Co binder and WC particles of mean size of 3.0 ...

The article deals with the use of additive technologies (AM) to produce a fusible model for a casting. AM technologies SLA, FDM, or PolyJet have been used to create models of castings of musical instrument keys from various polymeric materials. The roughness profiles of the&#x...

One of the main benefits of ultrashort laser micromachining is the possibility of preparing various surface structures, including a diversity of shapes and dimensions. The goal of this paper was to fabricate hydrophobic surface structures and to study coherency between the wettability a...

The article deals with the validation of the stability of the process of inspecting aircraft components in the aviation industry. During the experiment, the X-ray and CT control system SCIOX Cabinet was used, which allows nondestructive testing in the form of CT models. The ex...

Additive technologies have given us a new approach to designing because we can create very complex shapes that cannot be achieved with conventional machining methods. Also, using additive technologies provides us with the possibility of weight reduction while maintaining the rigidity of ...

The automotive sector places high demands on the quality of products and services. The paper focuses on evaluating of the measuring equipment capability, which is used to verify the accuracy of parts for the automotive industry. It is mainly about verifying the suitability and ...

This paper deals with self-excited oscillations arising during the turning process. Several theories are known which attempt to explain the cause of self-excited oscillations. One of the most advanced theories is the reproduction of previous surface waviness. A simplified mathematical description...

This paper deals with current possibilities of the utilization of the 3D printing technologies in the area of schooling and education. The main idea is to use current rapid development of the technique and technology of creating 3D models to improve better interaction with stu...

Nowadays, the requirements for the properties of machine parts are increasing. With this trend, the application of thermal spraying is also growing. The main reason for the use of thermal spraying in industry is to increase the resistance to mechanical wear, corrosion and oxidation...

In the field of aerospace inspection, the prevention of damage caused by foreign objects is a very serious topic, as in the past the FOD has caused a number of accidents. The FOD itself can be divided into many types but this article deals with foreign objects t...

The concept of surface roughness plays an irreplaceable role in technical practice. It has been evaluated by various techniques and various mathematical procedures since the 1920s. However, the evaluation is often underestimated and reduced to finding the parameters Ra or Rz. This is&#x...

Grinding is a technology which is used as a surface finishing operation. Therefore it is important for achieving good dimensions of accuracy. This accuracy can be affected by the size of wear of the grinding wheel. The size of the grinding wheel wear can be affected ...

Nowadays, the requirements for the properties of machine parts are increasing. With this trend, the application of thermal spray coatings is also increasing in practice, with the aim of increasing resistance towards mechanical wear, corrosion, and oxidation, even at elevated temperatures. Re...

This paper focuses on time analysis and optimization of selected process, which is subject to IATF 16949 standard for automotive industry. Each company has its own production system, according to which it tries to optimize production and thus meet the requirements of ISO 9000 ...

The article presents a comparison of the time-consumption of destructive and non-destructive forms of measurement in the automotive industry. X-ray, CT control system Y. Cougar SMT which allow non-destructive measurement, and CMM-Vertex 311 UM, in which the measured dimensions are not always...