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National Repository of Grey Literature 4 records found  Search took 0.01 seconds. 
The two-coordinate numerical controlled table for milling center with hydraulic clamp
 Nešpor, Vít ; Pavlík, Jan (referee) ; Kolíbal, Zdeněk (advisor)
This thesis deals with theoretical design of NC rotary tilting table for Kovosvit MAS milling machine MCV 754 - QUICK. In the beginning of this paper is made a research with focus to rotary tilting tables, paletizing technologies and rotary suppliers of energy. The main part concerns with loading analysis of rotary tilting table, proposal of motion drives, bearings and the frame of desired machine. For motion drive of each axis is chosen torque motor. Constructional solution of pressed air supply to the middle boring of face plate is realized by a rotary union. The next point of solution is arrangement of moving supply electrical and pneumatic energy to the frame of tilting axis. The last part is concerned to proposal of realizing of changing tchnological pallets by the Zero-point systems. In the end the economical analysis is made.
Detailed record
Overview of present metods and devices for friction coefficient measuring in lubricated contact of rubbing surfaces.
 Nešpor, Vít ; Šamánek, Otakar (referee) ; Koutný, Daniel (advisor)
In this thesis was discussed measuring of friction coefficient. Phenomenon of fiction and basic physical methods of determining friction coefficient. were described. This work was rather oriented to modern advanced methods, realised by experimental devices - tribometers. These devices with methods were described in focus to measuring of friction force. Their advantages or disadvatnages were described too. In detail was discussed the accuracy of methods.
Detailed record
The two-coordinate numerical controlled table for milling center with hydraulic clamp
 Nešpor, Vít ; Pavlík, Jan (referee) ; Kolíbal, Zdeněk (advisor)
This thesis deals with theoretical design of NC rotary tilting table for Kovosvit MAS milling machine MCV 754 - QUICK. In the beginning of this paper is made a research with focus to rotary tilting tables, paletizing technologies and rotary suppliers of energy. The main part concerns with loading analysis of rotary tilting table, proposal of motion drives, bearings and the frame of desired machine. For motion drive of each axis is chosen torque motor. Constructional solution of pressed air supply to the middle boring of face plate is realized by a rotary union. The next point of solution is arrangement of moving supply electrical and pneumatic energy to the frame of tilting axis. The last part is concerned to proposal of realizing of changing tchnological pallets by the Zero-point systems. In the end the economical analysis is made.
Detailed record
Overview of present metods and devices for friction coefficient measuring in lubricated contact of rubbing surfaces.
 Nešpor, Vít ; Šamánek, Otakar (referee) ; Koutný, Daniel (advisor)
In this thesis was discussed measuring of friction coefficient. Phenomenon of fiction and basic physical methods of determining friction coefficient. were described. This work was rather oriented to modern advanced methods, realised by experimental devices - tribometers. These devices with methods were described in focus to measuring of friction force. Their advantages or disadvatnages were described too. In detail was discussed the accuracy of methods.
Detailed record

See also: similar author names
1 Nešpor, Václav
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