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Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 21
Farský, Jindřich , Bakša, Tomáš , Zetek, Miroslav
Grinding maraging steel VACO 180 with SIC grinding wheels - grinding force and wheel wear

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 ...

Zatloukal, Tomáš , Gombár, Miroslav , Fulemová, Jaroslava , Řehoř, Jan , Povolný, Michal
Optimization of the thermal spraying process depending on the surface roughnes

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...

Šambergerová, Štěpánka , Bícová, Kateřina
Analysis of time fluctuation on selected workplace in terms of automotive industry

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 ...

Skřivanová, Nikola , Melichar, Martin
Comparing the time-consumption of destructive and non-destructive forms of measurement in the automotive industry

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...

Kroft, Luboš , Hnátík, Jan , Bícová, Kateřina
Influence of tool diameter on quality of completed radio area

The aim of this paper is to introduce one of the directions of research focused on finishing milling in CAD / CAM systems. This research is focused on this area since current finishing operations do not include any of the modern methods of tool path generation, ...

Dudáčková, Simona , Bícová, Kateřina
Verification of process and machine capability for precision automotive production

Currently, high demands are placed on the quality of products and services. This paper focuses on the evaluation of the capability of the production process and then the capability of the machine itself in order to verify the suitability of use for the precise production ...

Melichar, Martin , Kubátová, Dana
Reverse application of MSA tool for CMM stylus evaluation

In today's robust quality management systems, final inspection is a critical process that often determines the success of the entire production. For this reason, the most accurate measuring instruments available to the manufacturer are used in the final inspection and the measurements&#x...

Kubátová, Dana , Melichar, Martin
Rougness evaluation using Abott-Firestone curve parameters

Article deals with a highly current topic of evaluation of critical surface integrity parameters. The surface integrity to be the relationship between the required functional properties of the surface and the change in the properties of the new surface. Surface can be evaluated usi...

Kubátová, Dana , Melichar, Martin
Impacet analysis of roughness evaluation methods

This article analyses the effect of measuring method on the measured surface roughness value. In the first part of the article, the theory of the methodology is discussed. The second describes an experiment in which experimental measurements and subsequent comparison with relevant ISO&#...

Povolný, Michal , Fulemová, Jaroslava , Řehoř, Jan , Zatloukal, Tomáš
Study of clamping systems plasticity for reaming tool

Reaming is finishing technology and its main purpose is to obtain required dimension of the hole and also to improve quality of machined surface, geometric deviations of shape and position. This article deals with problem of tools centering for manufacturing of precise holes by...

Kaufnerová, Aneta , Kutlwašer, Jan
The course practice of experimental methods in machining

This article is about the course ‘Practice of experimental methods in machining’. This subject is taught at the Faculty of Mechanical Engineering of the University of West Bohemia, specifically at the Department of Machining. The main part of the article briefly describes the indiv...

Hricová, Romana , Duchek, Vladimír , Edl, Milan
Some Aspects of Importance of Environment Friendly Logistics

The article deals with very topical problems as nowadays environment protection is very actual and one of the most obvious areas is freight transport, because it is an important creator of greenhouse gas and environment pollution. Countries face to big public pressure to decrease&#...

Maňák, Martin
Voronoi-Based Detection of Pockets in Proteins Defined by Large and Small Probes

Students often ask what theoretical subjects will teach them for their future careers. It is advisable to show real problems during their courses which are solved by experts in practice or doctoral students. One such problem is the sharpening of a hobbing worm milling cutter.&...

Melichar, Martin , Kubátová, Dana , Kutlwašer, Jan
Influence of Temperature Compensation for Evaluation by Continuous Scanning

The paper describes the experimental verification of the influence of temperature compensation for the CMM machines. To confirm the initial theoretical consideration an experiment was carried out - repeated evaluation of a reference component. The obtained values were then used as an in...

Bebr, Lukáš , Bícová, Kateřina
SPC in Joint Application with FMEA,

In present turbulent times the product requirements are ever increasing. From this fact the perpetually heightening demand on processes and their quality ensues. Many tools are used for statistical process control and analysis of the causes and consequences is one ofthese. This tool...

Melichar, Martin , Kubátová, Dana , Kutlwašer, Jan
The Influence of Humidity on ABS Plastic Measurement Result

-This paper deals with effect of changing humidity in metrology lab during measuring process. Team of researchers simulated different conditions in metrology lab = stabile temperature and different humidity. During experiment CMM Carl Zeiss Prismo was used. The main question was, if the...

Kubátová, Dana , Melichar, Martin
Uncertainty of Surface Measurement

Article describes methodology and practical use of measurement uncertainties. Measurement uncertainties are an integral part of all higher measurement systems and are used in all accredited testing or calibration laboratories, including official measurements as a mandatory output and part of the&...

Farský, Jindřich , Bakša, Tomáš , Zetek, Miroslav
Influence of grinding parameters on forces when grinding maraging steel X3NICOMO 18 9 5 with SIC grinding wheels

This work deals with the influence of the grinding parameters on the forces when grinding maraging steel X3NiCoMo 18 9 5 using SiC grinding wheels. This steel is used for mechanically stressed tools, for which it is necessary to select a material with a high strength ...

Hronek, Ondřej , Zetek, Miroslav , Bakša, Tomáš
The Influence of Cutting Edge Radius on Force Load when Milling Inconel 718

The cutting edge radius of a cutting tool plays a significant role in its durability. Durability is even more important when heavy duty materials are machined, including nickel alloy Inconel 718. The tool’s durability influences the overall efficiency of the cutting process, both t...

Hanzl, Pavel , Zetková, Ivana , Daňa, Milan
Uniaxial Tensile Load of Lattice Structures Produced by Metal Additive Manufacturing

Lightweight constructions are in demand for applications which require low weight accompanied by rigidity. From this perspective, lattice structures are an interesting design solution in conjunction with additive manufacturing technology. This study addresses promising lattice topologies. A range of m...

Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 21