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Service life calculations in machine tools
Novotný, Lukáš ; Marek, Tomáš (referee) ; Holub, Michal (advisor)
The aim of this Bachelor’s Thesis is comparison of service life time calculations of machinetool construction parts according to different producers. The first part of thesis describes three important parts of machine-tools as linear guides, ball screw bearings and ball screws. Main part of thesis refers about search of service life time calculations itself according to various manufacturers and their comparison.
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Thermal Coatings for Glass Industry
Chráska, Pavel ; Neufuss, Karel
A new type of plasma torch with combined stabilization of electric arc by water vortex and gas flow is presented. This hybrid water/gas stabilization offers the possibility of adjusting plasma jet parameters within a wide range from high-enthalpy low-density plasmas typical for liquid stabilized torches to lower enthalpy higher density plasmas generated in gas stabilized torches. Moreover, gas flow in the cathode part protects a cathode tip and thus a consumable graphite cathode used in water-only stabilized plasma torches could be replaced by a fixed tungsten cathode. Examples of hybrid WSP torch utilization for high temperature application are given.
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