Open access peer-reviewed Edited Volume

Machine Tools

Ľubomír Šooš

Slovak University of Technology in Bratislava


Jiri Marek

Brno University of Technology


machine tool virtual prototyping modularity flexibility risk management function analyse geometric accuracy deviation headstock high revolutions design high speed

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About the book

In proportion to the increase of requirements for the effectivity and accuracy of contemporary products, demand for the quality of the products manufactured is also continually going up. In the aspect of design and choice of optimal machines, we more often meet with virtual prototyping and computer analysis of the functional properties of a designed machine. Productivity, accuracy and reliability belong among the basic criteria for a manufactured machine.
The productivity of a machine is characterized by the number of manufactured parts along with the size of the machined area and the volume of material taken up. Productivity is limited by the mean thickness of the chips and is in dependence of cutting and feed speed. Moreover, the cutting speed depends mostly on the frequency of rotation of the working headstock of the machine tool. This is the reason for ongoing increase in terms of revolution frequencies, the ever more frequent application of headstock with integrated drive, so-called “motor headstock” and the shift from classic to high-speed machining.

The basic condition for achieving the required machine tool accuracy, as well as that of the machined parts, is the rigidity of the "machine - tool - preparation – workpiece" system. Apart from rigidity, this system is influenced by the geometric accuracy of the machine, the technological approach, the strategy for measuring the workpiece and the servicing of the machine. With classical machine tools construction, this refers to the serial structure of arranging the motion axes, where the total rigidity of the system is limited by the machine’s weakest construction node. With machining tools with moving rotation, it is generally the motion axis carrying the workpiece, or the tool carrier - again the headstock.

It is clear that such productivity and machine tool works precision depends mostly on the quality of the headstock and all of the factors described above. Both of these criteria act in a contradictory manner. With the requirement for increased headstock frequency and feed speed, production does increase, but at the same time the positional rigidity of the work headstock and of the motion mechanisms (under the requirement for small mass) – in other words, machine work precision – decreases. From the viewpoint of productivity and accuracy of work we can regard the headstock as the heart of the whole machining tool, influencing the quality of work to a decisive degree.
Among other important quality criteria is the mechanical construction or modularity of the machine tool or of the production system. The modular state of the construction is an important precondition for the competitiveness of the product on the market. The basis of this concept is the system of modules from which various configurations can be created, in line with the specific demands of the client. On the side of the producer the manufacture of the machines will be made more effective, while on the other hand the client will be paying for a functioning machine that he really needs and uses.

An inseparable component in the selection of a suitable machine is risk management and current analysis of the functionality and reliability of the machine’s work. We are able, on the basis of such an analysis, continue with computer optimization of the mutual spatial arrangements of "machine - tool – preparation- workpiece" system so as to configurably achieve the maximum work safety of the existing machine.

Publishing process

Book initiated and editor appointed

Date completed: September 25th 2019

Applications to edit the book are assessed and a suitable editor is selected, at which point the process begins.

Chapter proposals submitted and reviewed

Deadline Extended: Open for Submissions

Potential authors submit chapter proposals ready for review by the academic editor and our publishing review team.

Approved chapters written in full and submitted

Deadline for full chapters: December 15th 2019

Once approved by the academic editor and publishing review team, chapters are written and submitted according to pre-agreed parameters

Full chapters peer reviewed

Review results due: March 4th 2020

Full chapter manuscripts are screened for plagiarism and undergo a Main Editor Peer Review. Results are sent to authors within 30 days of submission, with suggestions for rounds of revisions.

Book compiled, published and promoted

Expected publication date: May 3rd 2020

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About the editor

Ľubomír Šooš

Slovak University of Technology in Bratislava

Lubomír Šooš is currently a Dean of the Faculty of Mechanical Engineering of the Slovak University of Technology in Bratislava. His professional background is in the theory and design, especially design of Machine Tools and Equipment for Machinery Production. In recent years Mr. Šooš has gathered considerable experience in the research and development of machines and equipment for treatment and recycling of waste, and its transfer to alternative sources as row material or energy. Among his most important works are “Headstock of the lathe SBL 500”, “DUPLO headstock”, “Briquetting press BL 50-250”, “Disintegrating machine DZ 240”, “Pelleting mill PL 100” or other. Until now, he was working on more than 31 international and national research projects, published more than 295 scientific articles in journals and Scientific Proceedings, is the author of 49 national and international patents. as well as the author or co-author of several scientific monographs. Some titles that have been well received are: "Upravljanie otpada at Slavačkoj", "Design of CNC machine tools","Performance Evaluation of Bearings", "Wood waste ... what we do with it?", "Waste - Environmental technologies", "Recycling technologies", "Termohydro chemical processing tools material" or “Biomass”. As a Leader or member of a team he participated on several projects; Framework Programs EU: 5th - “ERA – Bioenergy strategy”, 6th – “Slan-braw” or 7th - “Manunet” or other internationals projects “WASTRE”, “TIMEA”, “IDEA” or Praxis. He is a member of several scientific boards of national and international scientific conferences (ERIN, TOP, WASTE-TO-ENERGY) and editorial boards of international scientific journals “Manufacturing Technology”, “Praise Worthy Prize”, “Waste Management Forum”, “21th Century” and others. Professor Šooš has very good collaboration with Industry. He is also Vice-President of the Automotive Industry Association and Vice-President of Mechanical Engineering Association of the Slovak Republic. He is a member of the Committee of Ministry of Environment for “Applying and License granting”. He also has very good collaboration with internationals institutions and research centers in Austria, Czech Republic, Germany, Serbia, Great Britain and others. For his achievements he received “Award of Rector TU” Novi Sad (Srb), Award of FME CVUT(CZ), Medal of Georgia Agricoly in Ostrava (CZ), and “Professor of the year 2015” (SK).

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