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Methods of machining difficult-materials
Šebela, Radek ; Prokop, Jaroslav (referee) ; Kalivoda, Milan (advisor)
The aim of this bachelor thesis is a comprehensive analysis of various types and methods of machining difficult-materials. In addition an overview of selected tool materials for machining difficult-materials and factors affecting the cutting area. At the end an overview of companies that are engaged in machining these materials.
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Cemented carbides and theirs effective use
Baran, Jan ; Prokop, Jaroslav (referee) ; Humár, Anton (advisor)
The diploma work deals with comparison of sintered carbides in product assortment of Pramet Tools a.s., Sandvik-Coromant and Ceratizit companies in term of their cutting speed, feed and depth of cut for the turning operation. The comparison of cutting parameters is made for P, M, K, N, S and H groups. For better comparison there are always two sintered carbides from each of the manufacturers mentioned for each of the groups P, M, K. They are mentioned for groups N, S and H only if they are suggested by the manufacturer.
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Proposal of process control in production safety valve
Jaša, Aleš ; Prokop, Jaroslav (referee) ; Pernikář, Jiří (advisor)
The aim of this thesis is precise definition of control processes for components of Pressure Limit Valve 5 Generation (PLV5) which is produced by Bosch Diesel Ltd. in Jihlava. The objective was to define measurement methods which ensure identical results of measurement between co. Bosch Diesel Ltd. in Jihlava and suppliers of individual components. The results of this study are introduced into control drawings and described in individual conclusions of the thesis.
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Automation of cam shaft production
Matějka, Petr ; Prokop, Jaroslav (referee) ; Osička, Karel (advisor)
This thesis is intended on modernizing of grinding operations in production cam shafts of injection pump. Existing technology, mainly special-purpose machines, will be replaced by modern CNC grinding machine. Further modernization will take place in the area of measurement, where existing measuring instruments cannot measure profile of cams. There will be used the new measuring machine, which will manage to measure necessary dimensions and tolerances.
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Production of screw-thread in small engineering company.
Straka, Jiří ; Prokop, Jaroslav (referee) ; Kalivoda, Milan (advisor)
This work, wrought in branch of engineering technology in terms of baccalaureate studies, mentions the basic type partitioning of screw threads and their screw-threads labelling. There are presented some possibilities of screw threads manufacturing by chip-forming operation and by chipless machining operation, both with using of appropriate tools. Further the methods of production used in small machine-works are described. In this case the small machine-works is represented by secondary technical school.
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The proposal of advanced production technology of steel molds
Opršál, Radek ; Prokop, Jaroslav (referee) ; Kalivoda, Milan (advisor)
The bachelor thesis deals with the modernization of steel mould production in the company P-D Refractories CZ a.s. The thesis focuses on the analysis of current production technology, determination of the bottleneck in production, and the analysis of the possibilities of modification of current technologies. The last part of the thesis proposes the most optimal methods of solution, introduces the technical procedure modified for the new solution and presents the evaluation of the data.
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