National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Kvalita řezné spáry při podélném rozmítání dřeva speciálními pilovými kotouči
Kryl, Jan
The thesis is focused on qualities problems of the cutting kerf rip saw-blade at along grain cutting native wood. The effect of vibrations of circular saw-blades and feed rate of shift of workpiece on the quality of the kerf has being investigated. The basic parameters of evaluation of the surface were mentioned in theoretical part of this thesis. Also, the methods of assessing the quality of the surface of scattered timber are analyzed inside this thesis. There is also described suitability of different measurement methods, which have been used, due to the nature of solid wood. Finally, constructional modifications of scattering discs are characterized here. At practical part of this thesis is compared the quality of surface of wood scattered with using of saw-blades from company of PILANA. Discs with standard profile of tooth and special toothing of shaped keg were used.
Použití speciálních kotoučů u rozmítacích pil
Železný, Antonín
Circular saw blades are the most common woodworking tools in wood practice. This thesis describes the mechanical instability of saw blades and consequently their noise. When modificating saw blades it is possible to avoid partially these problems and achieve the maximum cutting quality and productivity. The thesis also examines the impact of the noise on human body and proposes measures designed to reduce noise of the saw blades. In the experimental part of the study we are solving the impact of the speed, the type of gearing, feed speed and type of wood swept noise level and frequency of the disc wheels oscillation.
Kvalita řezné spáry při podélném rozmítání dřeva speciálními pilovými kotouči
Kryl, Jan
The thesis is focused on qualities problems of the cutting kerf rip saw-blade at along grain cutting native wood. The effect of vibrations of circular saw-blades and feed rate of shift of workpiece on the quality of the kerf has being investigated. The basic parameters of evaluation of the surface were mentioned in theoretical part of this thesis. Also, the methods of assessing the quality of the surface of scattered timber are analyzed inside this thesis. There is also described suitability of different measurement methods, which have been used, due to the nature of solid wood. Finally, constructional modifications of scattering discs are characterized here. At practical part of this thesis is compared the quality of surface of wood scattered with using of saw-blades from company of PILANA. Discs with standard profile of tooth and special toothing of shaped keg were used.

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