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Master's Thesis
Author of thesis: Jaromír Bača
Acad. year: 2025/2026
Supervisor: doc. Ing. Petr Vyroubal, Ph.D.
Reviewer: prof. Ing. Jiří Maxa, Ph.D.
This master’s thesis presents the design, construction, and verification of a threeaxis gantry-type CNC milling machine intended for hobby and prototyping applications. The work covers the complete development cycle – from theoretical analysis and mechanical dimensioning, through 3D modelling, to the physical assembly and testing of the machine. The load-bearing structure is made from birch plywood reinforced with aluminium elements at critical stress points. The control electronics are housed in a dedicated cabinet with forced-air cooling, whose effectiveness was validated by CFD simulation and compared against real temperature measurements during operation. The functionality of the machine was demonstrated by test machining of wood, PMMA, and aluminium. An operating manual and an economic assessment of the build are also included.
CNC milling machine, gantry design, stepper motors, NEMA, control electronics, control cabinet, cooling, CFD, SolidWorks Flow Simulation, Arduino, ESTLCAM, positioning accuracy, machining
Date of defence
10.06.2026
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Process of defence
Student seznámil státní zkušební komisi s cíli a řešením závěrečné vysokoškolské práce a zodpověděl otázky a připomínky oponenta a komise. Otázky komise k obhajobě: 1. Jaký výkon má použité vřeteno? 2. Jakou rychlostí zvládne frézka odebírat nástrojem materiál?
Language of thesis
Czech
Faculty
Fakulta elektrotechniky a komunikačních technologií
Department
Department of Electrical and Electronic Technology
Study programme
Electrical Manufacturing and Management (MPC-EVM)
Composition of Committee
prof. Ing. Tomáš Kazda, Ph.D. (předseda) doc. Ing. Petr Vyroubal, Ph.D. (místopředseda) Ing. Rastislav Straňák (člen) Ing. Robert Bayer, PhD. (člen) Ing. Ladislav Chladil, Ph.D. (člen) Ing. Pavel Šafl (člen)
Supervisor’s reportdoc. Ing. Petr Vyroubal, Ph.D.
Grade proposed by supervisor: B
Reviewer’s reportprof. Ing. Jiří Maxa, Ph.D.
Grade proposed by reviewer: A
Responsibility: Mgr. et Mgr. Hana Odstrčilová