National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
The comparison of cutting tools for milling of dental impression made from materials Ti6Al4V ELI and CoCr
Bíba, David ; Zemčík, Oskar (referee) ; Dvořák, Jaromír (advisor)
The aim of this dissertation is the comparison of two chosen milling tools. Both milling tools are made of solide carbides and therefore the theoretical part deals with these materials. We compare the chemical composition as well as the milling tools materials. Next chapter deals with the geometry of the milling tools with semi-circular front blades cutting edges and comparison. In the last part of the dissertation we test the durability. The data gained by a micrometric method are interpreted in the graph. By means of this research we found out the impact on the suitably chosen geometry on splinters and wear resistance. It is possible to optimize the produced milling tools or to choose more suitable tool instrument on the basis of gained durability data.
Production of Knives
Suchý, Jan ; Kalivoda, Milan (referee) ; Polzer, Aleš (advisor)
This theses deals with cold weapons topic. The first part describes historical development of European swords and weapons originating from them. Further on the thesis presents material analysis and comparison of steels used for cold weapons production. It also shows different production methods including a brief note about the difference between forged and gringed blade. Then the thesis outlines differences among various blade shapes and how these shapes define their cutting characteristics and usage. The closing part of the thesis deals with blade geometry and grinding technology.
The comparison of cutting tools for milling of dental impression made from materials Ti6Al4V ELI and CoCr
Bíba, David ; Zemčík, Oskar (referee) ; Dvořák, Jaromír (advisor)
The aim of this dissertation is the comparison of two chosen milling tools. Both milling tools are made of solide carbides and therefore the theoretical part deals with these materials. We compare the chemical composition as well as the milling tools materials. Next chapter deals with the geometry of the milling tools with semi-circular front blades cutting edges and comparison. In the last part of the dissertation we test the durability. The data gained by a micrometric method are interpreted in the graph. By means of this research we found out the impact on the suitably chosen geometry on splinters and wear resistance. It is possible to optimize the produced milling tools or to choose more suitable tool instrument on the basis of gained durability data.
Production of Knives
Suchý, Jan ; Kalivoda, Milan (referee) ; Polzer, Aleš (advisor)
This theses deals with cold weapons topic. The first part describes historical development of European swords and weapons originating from them. Further on the thesis presents material analysis and comparison of steels used for cold weapons production. It also shows different production methods including a brief note about the difference between forged and gringed blade. Then the thesis outlines differences among various blade shapes and how these shapes define their cutting characteristics and usage. The closing part of the thesis deals with blade geometry and grinding technology.

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