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Lime coatings were originally used in historical buildings all across Europe and the rest of the globe, on lime plasters or directly on stone elements. Today, these coati [...]
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The present world development of mobile machines leads to a highpowered high-speed constructions with minimum dimensions and masses. By such light high-speed systems as a [...]
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The Integrated Material Profile and Costing Tool (IMPACT) project provides a methodology and data for the production of tools for consistent integrated LCA and lifecycle [...]
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Zapoměl, Jaroslav
Abstrakt: Rotors belong to the most frequently used components of machine devices. In a number of cases they are coupled with the stationary part through hydrodynamical b [...]
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To a basic one-mass self-excited system a tuned absorber is attached the motion of which is influenced by soft impacts. The self-excitation is considered as of van der Po [...]
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Stodola, J.
Monitoring of technical condition of machines (e.g. engines) based on used oil analysis is an urgent practice to optimize control and maintenance. Both perfect wear produ [...]
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The paper deals with a working prototype of a system for the active vibration control of journal bearings to prevent rotor instability due to the oil film. The controllab [...]
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Now a day, many types of seat used in working machines are constructed for vibroizolation in vertical direction. Seat vibrations in longitudinal and lateral directions ar [...]
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Linear guiding of machine tools is a very important design element. It can be made as a straight linear guiding or as a curved type, either with the limited stroke length [...]
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The manufacturing program of ZDAS, a.s. includes the straightening machine of XRK type. The XRK 2-180 straightening machine is an energy-intensive one. Within the framewo [...]
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Soldát, Jaroslav
Abstrakt: This work aims to reduce the thermal errors of the machining centres by indirect compensation methods. Thermal effects can form more than 70% to the overall dis [...]
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Bach, P.
The paper presents firstly a review of the most important method of stability calculation for machining process. Based on this, the evaluation of stable depth limits is p [...]
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This contribution is consider with computational modelling of oil film flow stability in long lemon, offset and lemon-offset uncavitated bearings. In this contribution is [...]
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This paper deals with alternative techniques how to get the velocity signal that is needed for the velocity feedback loop. Common implementation of obtaining the velocity [...]
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Zacharopoulou, G.
Structures embedding historical, artistic and scientific values and built after 1830 (the date of the establishment of the Modern Greek state) are defined as modern monum [...]
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In the paper, two methods for modelling machine tool drives with ball screws are shown and compared. There are common equation formulation and the multi-pole modelling. T [...]
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This paper describes some practical results achieved with the usage of the floating principle in machine tools design. It is linked to works presented at the IM2004 confe [...]
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The calibration of the potential method DC/PD is calculated for the side-grooved CT-sample with point current inputs. The grooves are modelled by a line transition resist [...]
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The analysis of dynamics of time heteronymous weakly and strongly non-linear planetary transmission systems with kinematic couplings – gears constitutes a study of comp [...]
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The paper deals with the modelling of balancing machine vibration and the identification of the stiffness and damping coefficients of oil-film bearings. The real balancin [...]
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This paper is aimed at reducing vibrations of bladed disk in particular operating state. The damping element used in this contribution is realized by a strap with isoscel [...]
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The paper deals with cooling of grooved roll. The aim is to find optimal spray parameters, specify nozzle type, geometrical configuration and feeding pressure to elongate [...]
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Bach, P.
The paper deals with stability conditions of milling machine tools. As instability a self-excited vibration development, called chatter, under certain cutting conditions [...]
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The paper describes a modelling technique of tool rest of modern machining centre with focus at damping of dovetail groove slideway. Damping of tool rest structure strong [...]
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