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1
Večeř, Petr. "Konstrukční návrh malé modelářské CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254333.
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This thesis deals with the structural design of small model CNC milling machines. The work includes research modeller CNC milling machines available primarily on the Czech market, on whose basis are then selected the appropriate parameters for machine design. The thesis contains further structural calculations, selection of appropriate components, production drawings and 3D model that shows the final solution of constructed facility.
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Strnad, Jiří. "Návrh malé multifunkční modelářské CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444277.
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This diploma thesis deals with the construction proposal of a small multifunctional modeller CNC milling machine that enables milling of aluminium alloys and 3D printing using the FDM method. Based on the research, analyzes and defined entry requirements the construction proposal is created and verified by calculations. The thesis contains a description of all the construction parts including the printhead, the tool tray and the safety cover. The other part of the thesis describes the machine geometry adjustment and specifies the choice of control system. The thesis includes a 3D model and the drawing documentation of selected structural nodes.
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Jagoš, Roman. "Konstrukce malé CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230234.
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This master´s thesis deals with design of small CNC milling machines and comparing CNC tabletop milling machines in the world market. It is also done design of small CNC milling machine through the use of contemporary and modern trends, used in design of machine tools.
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Resiga, Alin. "Design Optimization for a CNC Machine." PDXScholar, 2018. https://pdxscholar.library.pdx.edu/open_access_etds/4257.
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Minimizing cost and optimization of nonlinear problems are important for industries in order to be competitive. The need of optimization strategies provides significant benefits for companies when providing quotes for products. Accurate and easily attained estimates allow for less waste, tighter tolerances, and better productivity. The Nelder-Mead Simplex method with exterior penalty functions was employed to solve optimum machining parameters. Two case studies were presented for optimizing cost and time for a multiple tools scenario. In this study, the optimum machining parameters for milling operations were investigated. Cutting speed and feed rate are considered as the most impactful design variables across each operation. Single tool process and scalable multiple tool milling operations were studied. Various optimization methods were discussed. The Nelder-Mead Simplex method showed to be simple and fast.
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Ebrahimi, S. Morteza K. "Dynamic modelling and simulation of a CNC milling machine." Thesis, Cardiff University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287909.
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Son, Seung-Kil 1964. "A hybrid type small 5-axis CNC milling machine." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/29275.
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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.<br>Includes bibliographical references (leaves 116-119).<br>5-axis CNC milling machines are important in a number of industries ranging from aerospace to consumer-die-mold machining because they can deliver high machining accuracy with a spindle tilting capacity. Most of these machines have serial mechanisms so that low static and dynamic stiffness become very critical design issues especially for high speed machining. Parallel mechanisms have recently received attention from machine tool designers because of their inherent potential for stiffness and because of their compactness. However, much of the promised advantages of parallel machines only occur within a very small region of their workspace with the expense of the large machine-tool foot print. We discuss some of the kinematic and structural challenges to extracting machining performance from serial and parallel machines. We compare a hybrid machine, which combines serial and parallel mechanisms, with typical serial and parallel machines such as Euler angle machines and the Hexapod. In particular, we consider singularities, reversal characteristics, and manufacturability. We show that hybrid machines can benefit from the advantages of serial and parallel mechanisms while avoiding most potential pitfalls of both mechanisms. However, hybrid structures can suffer from the manufacturing problem of over-constraint. We show that the degree of over-constraint depends on the size of the parallel machine. We have designed and fabricated a small hybrid 5-axis motion platform, the MIT-SS-1, which can tolerate this over-constraint through a novel layout of axes. Numerical and experimental test results of the MIT-SS-1 are presented and compared. Finally we show that this structure has potential as a small 5-axis CNC milling machine.<br>by Seung-Kil Son.<br>Ph.D.
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Ajilo, Deborah (Deborah M. ). "eyeDNA : Tool Condition Monitoring for a desktop CNC milling machine." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115670.
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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 81-84).<br>Tool wear is a major obstacle to realizing full automation in metal cutting operations. In this thesis, we designed and implemented a low cost Tool Condition Monitoring (TCM) system using off-the-shelf sensors and data acquisition methods . Peripheral end milling tests were done on a low carbon steel workpiece and the spindle vibration, cutting zone temperature and spindle motor current were recorded. Features from these data sources were used to train decision tree models in MATLAB with the aim of classifying the stages of tool wear. Results showed that the feature sets fusing information from all data sources performed the best, classifying the tool wear stage with up to 93% average accuracy.<br>by Deborah Ajilo.<br>S.M.
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Hanzal, Jiří. "Návrh malé modelářské CNC frézky s pevným stolem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-433604.
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The topic of this work is the design of a small model CNC milling machine with a fixed table for machining wood, plastic, or light alloys (Al, Zn, etc.). It also includes a calculation report and drawing documentation of selected nodes. The beginning of this work consists of an introduction to the issue of milling machines, their distribution and subsequent market analysis. Subsequently, the input parameters are designed on the basis of market analysis and in the last part there is a calculation report, the design of the milling machine itself and a short economic evaluation.
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Buš, Martin. "Návrh hobby CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417754.
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This master thesis is focused on design of CNC hobby milling machine.In the first part of master thesis there are brief information about construction of CNC milling machines with varios types of milling machines available on market. After that, is made a selection of suitable machine componets for selected parameters. Futhermore, the masters thesis include a solutions of the component on all axes CNC milling machines.
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Ludva, Jan. "Konstrukční návrh portálové CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241719.
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This master’s thesis deals with a design of a portal CNC milling machine. The thesis contains a description of milling machine’s single types, analysis of Czech and foreign market and analysis of basic milling machine’s groups. The work includes calculating of cutting forces and moments of a chosen tool, choice of spindle and design of axe’s drive systems. The thesis also includes 3D model of the chosen variant, it’s by a method of final elements and finally drawing documentation.
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Havlíček, Ondřej. "Návrh malé modelářské CNC frézky s pohyblivým stolem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-401057.
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This master thesis deals with the constructional design of small CNC milling machine with a sliding table. The first part of the work describes small CNC milling machines currently available on the market. Based on the result of the literature review, the small CNC milling machine was constructed with respect to the currently available trends, including sizing and drawing documentation of the machine.
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Čechman, David. "Návrh CNC modelářské frézky pro opracování hliníkových slitin." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400916.
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The goal of the thesis is to design a modeling CNC milling machine for machining of aluminum alloys including necessary calculations and drawing documentation. In the first part there is defined a CNC milling machine and there is a search in the area of small CNC milling machines that are present on the market. In the second part is the design including the computational documentation.
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Kalina, Vladimír. "Malá CNC frézka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-319489.
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The content of this diploma thesis is the design and construction of small vertical CNC milling machines. In the thesis are listed and machines that appear in today's production on the market. The components are designed for tools, for ball screw, linear guide. Parts are attached to the 3D models with vertical machine and drawings of the proposed machinery.
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Renuka, Shivaswaroop R. "Development of models of CNC machines - EMCO VMC100 and EMCO TURN120P in virtual NC." Ohio : Ohio University, 1996. http://www.ohiolink.edu/etd/view.cgi?ohiou1178046654.
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Hoseini, Saba. "Experimental simulation of gear hobbing through a face milling concept in CNC-machine." Thesis, KTH, Materialvetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-126804.
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Kovář, Pavel. "Model CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219700.
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The master's thesis deals with the basic parts and principles of CNC machines with a focus on a CNC milling machine. There are also comparisons of several CNC machines sold. Furthermore, the project deals with the description of the manipulator, which is situated in laboratory E-132 in area Kolejní 4, Brno. The work also includes a description of the device, which is located in the manipulator model. We can find there a description of the program generating G-code from the image that you create in the editor. The next section describes possible modifications of the manipulator for its reconstruction on a CNC milling machine. The last chapter deals with the description of program developed for controlling the manipulator as a CNC milling machine.
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Kučera, Vítězslav. "Modernizace řídícího CNC systému frézky EMCO." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417576.
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This master´s thesis deals with the modernization of the EMCO milling machine control system. The theoretical part is focused on the basic description of CNC machine and current state of EMCO milling machine control system. The main point of this thesis is new control system design for given milling machine, when the proposed variants are described and compared according to construction and price. The one variant is selected that best suits the specified parameters. Also, in the TwinCAT development interface from Beckhoff the new control system is created and described in the end of this work.
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Kolář, David. "Konstrukční návrh portálové CNC frézky s posuvným stolem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-318840.
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This master’s thesis is focused on design of gantry CNC milling machine with sliding table. Thesis includes the review of components of this machines and comparsion of their options. Servo motors , ball screws and linear guides parameters are calculated. Also the suitable software and hardware for the machine control is chosen. Main parts of the machine were analysed using finite elements method. 3D model, drawings and documentation of machine build are included.
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Cengiz, Ender. "Development Of Postprocessor, Simulation And Verification Software For A Five-axis Cnc Milling Machine." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606565/index.pdf.
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Five-axis CNC milling machine tools bring great facility to produce complex workpieces with increased dimensional accuracy and better surface quality in shorter machining times. However, kinematics of five-axis machine tools has a complex form which makes it difficult to operate these machine tools properly. The difficulty arises from the complexity of NC-Code generation and tool path verification. Collision of machine tool or setup components with each other is a severe problem in five-axis machining operations and usually results from inadequate postprocessors or insufficient collision checking due to absence of well-prepared simulation and verification programs. Five-axis CNC machine tool owners may get rid of this problem by purchasing commercial postprocessors, simulation and verification programs. However, these programs are expensive and small and medium enterprises (SME&rsquo<br>s) usually cannot afford the costs of these programs. In the related libraries of commercial programs, there is great number of CNC machine tools, which is generally unnecessary for SME&rsquo<br>s. An alternative to overcome this problem is to develop particular program, which is capable of postprocessing, simulating and verifying milling operations, for each certain five-axis CNC machine tool.
In this study, a software named &ldquo<br>Manus 1.0&rdquo<br>, which performs postprocessing and simulation processes, has been developed for the high speed &ldquo<br>Mazak Variaxis 630-5X&rdquo<br>CNC five-axis machine tool, located in METU-BILTIR Center. Moreover, tool path verification algorithms have been developed to detect collisions. The software has been written in Borland C++ Builder5.0. The developed program has been tested in sample milling operations and satisfactory results have been achieved.
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Kovács, Zdeněk. "Návrh CNC frézky pro modelářské dílny." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382241.
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This diploma thesis deals with the design of a CNC milling machine for the puspose of modeling workshop. In the first part is carried out the search in the field of small CNC milling machines for better familiarization with this issue. The information obtained in the first part of the thesis is used for determination the parameters of the designed machine. The last part deals with the design and realization in the form of a 3D model.
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Matoušek, Vojtěch. "Návrh a řízení CNC stroje." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218945.
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My task was to build a smaller structure triaxial CNC milling. I designed electronics for motion control. The main part is the implementation of the control unit, which will provide control of the machine. The work includes the complete design, PCB design and program description for the uP ARM. The unit can work independently as well as hardware interpolator connected to the PC.
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Jadhav, Sanjay [Verfasser]. "Basic Investigations of the Incremental Sheet Metal Forming Process on a CNC Milling Machine / Sanjay Jadhav." Aachen : Shaker, 2005. http://d-nb.info/1181616417/34.
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Wilmot, Wessley. "Process and machine improvements and process condition monitoring for a deep-hole internal milling machine." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/process-and-machine-improvements-and-process-condition-monitoring-for-a-deephole-internal-milling-machine(2bb87f60-aa39-4fff-a82a-9360ce36b74c).html.
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Milling is a widely used cutting process, most commonly applied to machining external surfaces of workpieces. When machining operations are required within hard to reach areas of components, or deep within the bore of components, alternative methods of metal removal are generally employed. Typically when milling at extended reaches, difficulties may increase exponentially when trying to achieve distances several meters into a component. Essentially every topic of the milling process becomes difficult and more convoluted. Firstly to generate a stable cutting condition, and ultimately for an operator to be able to understand the cutting conditions, when all normal senses to interpret the machining stability are removed. The aim for the research is, to enable the operation of high slenderness ratio internal milling operations to become a viable technology, by detailing the measures required, to obtain a stable cutting condition. The process needs to be monitored for degradation of the tooling due to wear, and to prevent catastrophic machine damage from tool breakage or machine component failure. This research addresses the lack of knowledge available for milling with extended reaches, and the knowledge gained to overcome the real difficulties that exist for this process. Initial experiments are conducted on a prototype machine to gain experience of the internal machining operation and the many issues that it faced. Establishing requirements of the process via investigation of the tooling and necessary auxiliary equipment, it becomes possible to consider countermeasures to address the errors generated by torsional twisting of the milling arm. A system for applying a counter torque to reduce torsional deflection errors has been employed to successfully reduce the unavoidable issue over such long distances. For the process to become manageable for an industrial operator without a high level of specialist knowledge, the application of tool condition monitoring (TCM) and process condition monitoring (PCM) had to be applied. This addresses a void in available literature and research with respect to internal machining, and enables the process to become practical for an industrial environment. For this reason the research project will concentrate on the application of TCM and PCM onto the machining system. The completion of the research resulted in the process becoming satisfyingly stable, and with a resulting accuracy that satisfies the requirements of the component. Performance of the final system rivalled or achieved better results than had been experienced by the project sponsor.
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Mitáš, Daniel. "Ovládací rozhraní CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219821.
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This project deals with portal-type CNC milling machine design and construction. CNC milling machine should be able to machining light metals and alloys. This document contains description of mechanical components selection, machine frame design and building, design and construction of USB motion control unit and also contains control software description and user manual.
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Hájek, Roman. "Konstrukční návrh os frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-319704.
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This master thesis is dealing with the design of the frame and working axis of the desktop milling machine. The theoretical part is in the form of a research of the construction of small machine tools. Practical part concerns the idea for a design of the working axis, as well as the design of the frame construction. Practical part also contains the selection of the main and most important components.
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Homola, Stanislav. "Počítačem řízená frézka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231081.
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This goal of the diploma thesis is to design, to construct and write control program for CNC milling machine designed for machining aluminum, wood and plastic. Entire structure of machine is designed and made of steel. The main table consists of an aluminum plate and aluminum structural profiles. Spindle of milling machine is a high speed motor from ATAS a.s. company. Milling machine is controlled by the program made in TwinCAT environment from Beckhoff Automation GmbH & Co. KG.
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Záveský, Zbyněk. "Návrh nové technologie výroby vybrané součásti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241668.
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This master’s thesis is focused on CNC machines. It deals with the characteristics, description, coordinates, advantages and disadvantages of the CNC machines and utilization of the CAD/CAM software. The next part of this thesis deals with the suggestion for choosing the best technology for milling slots. Milling strategy, cutting processes and cutting conditions are described in this part as well as all the issues concerning the manufacturing of the milling slots.
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Sanches, José Matheus. "Desenvolvimento de uma fresadora CNC de baixo custo para fins didáticos." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18146/tde-23052010-195043/.
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Para o ensino em cursos relacionados à mecânica são fundamentais aulas teóricas e práticas de programação em máquinas CNC. Um grande incentivo para o aluno é ver sua programação transformada em uma peça que possa ser manuseada. Porém, dado o seu alto investimento, muitas escolas técnicas, de tecnologia e engenharia não disponibilizam máquinas CNC para os alunos. Desta forma, é apresentado neste trabalho o desenvolvimento de uma fresadora CNC de baixo custo. Com o emprego do método de combinação de variantes e o método de análise morfológica, os elementos mecânicos para o projeto da fresadora foram selecionados. Assim, foi possível desenvolver o conceito desse equipamento e fazer a estimativa de seu custo. Com a aplicação de análise de valor, utilizando as técnicas FAST, de Mudge e COMPARE, foi possível avaliar pontos críticos que acarretam em custos desnecessários. Com isso, pode-se avaliar como trabalhar com a transferência de recursos.<br>Courses related to mechanical sciences must offer to their students theoretical and practical lectures on CNC machine programming. The possibility of viewing the transformation of a programme in to a manageable part constitutes an incentive to the students. A CNC machine is an essential piece of equipment for such practical classes. A number of schools cannot have a CNC machine because of its high cost. Thus, in the present work, the development of a low-cost CNC milling machine as an alternative for academic purposes is presented. For the selection of the mechanical elements of the CNC machine, a combination of variants method and morphological analysis was used. Then, the design concept was carried out and its cost estimated. Using the value analysis through the FAST, Mudge and COMPARE techniques, the critical points that could increase unnecessary machine cost were examined. It was possible to assess how to work with the resources transference.
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Žák, Petr. "Konstrukce CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231996.
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The diploma thesis includes design of vertical CNC milling machine. It also includes research in the field of CNC milling machines on the world market, which is carried out to select the appropriate machine parameters and the structural configuration of the machine. Another part of the thesis deals with the selection of suitable components, design calculations, manufacturing drawings and the 3D model showing the final design solution of proposed machine.
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Michele, Jiří. "Konstrukce malé vertikální CNC frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230492.
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This diploma thesis designs a small vertical CNC milling machine. The thesis includes selection of suitable structural design of the machine based on market analysis and requirements. The listed components, constructional calculations and 3D model are chosen in order to minimize the costs.
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Trunda, Jiří. "Technologie výroby frézováním na CNC strojích." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228382.
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Objective graduation theses, is determining and propound optimal alternate manufacturing section servant as base of electron microscope. As a production method is used chippy cutting on numerical controlled machine behind by the help of usage progressive cutting tools. To construction control program was use 3D CAD/CAM system of Solid Vision, Ltd. Corporation. Product working is complete project and procedure on manufacturing section, that is in finish well-founded technoeconomic evaluation.
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Vavrík, Michal. "Návrh a implementace řídícího programu pro CNC obráběcí stroj prostřednictvím B&R Automation." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-416642.
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The aim of the diploma thesis is the robotization of a conventional milling machine to a CNC milling machine using a programmable logic controller. The theoretical part of the thesis contains a description of machine tools and industry 4.0, an overview of Optimum Maschinen and B&R Automation companies, including products, and a description of the G code programming language. At the beginning of the practical part, the selected hardware, its connection and tuning of motors are described. Furthermore, the practical part explains the method of motor control and processing of CNC programs in G code. The following chapters discuss the creation of industrial visualizations for machine control and digital twin for testing purposes. The conclusion describes the evaluation of the results and indicates the possibilities for future expansion of the machine and its implementation in an automated cell in the sense of industry 4.0.
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Du, Plooy Elsje. "3-D Computer-aided Design (CAD) and Computer Numerical Control (CNC) milling : An alternative to traditional ceramics master moulding technology." Thesis, Bloemfontein: Central University of Technology, Free State, 2014. http://hdl.handle.net/11462/236.
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Thesis (M. Tech. (Design and Studio Art)) -- Central University of Technology, Free State, 2014<br>This quantitative research project investigates the utilization of emerging technologies within the arts with a view on establishing an interdisciplinary approach between ceramics and engineering. The traditional manufacturing method of producing master moulds is a time-consuming process for the studio ceramicist. This study explores whether computer-aided design (CAD) and computer numerical control (CNC) milling can accelerate the design and manufacturing process when developing master moulds as an alternative to using traditional methods. It investigates whether SolidWorks® can be applied as a suitable CAD design tool for the creation of ceramic vessel forms in order to reduce the design development time frame. It furthermore investigates whether CNC milling can be used as a viable manufacturing technology for the making of vessel prototypes and master moulds from CAD data, the overall objective being to improve and accelerate the plaster of Paris master mould manufacturing process for the batch production of studio-based ceramic artefacts. Findings from this study indicate that emerging technologies have a lot to offer the artist when it comes to providing new possibilities for the creation of artefacts and that SolidWorks® and CNC milling can be utilized as a viable interdisciplinary manufacturing approach between ceramics and digital manufacturing technologies.
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Pafkovič, Roman. "Analýza rizik provozované CNC frézky MCV 754Q." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399342.
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This Master’s thesis deals with the safety of an operated CNC milling machine. The first part of the thesis is focused on the legislative requirements of the European Union and the Czech Republic, system analysis of the topic and used methods. The second part of the thesis is focused on the risk analysis of the chosen machinery.
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Láznička, Petr. "Manipulační nástrojová jednotka." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232125.
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The thesis is focus on design solutions of automatic tool changer for CNC vertical milling machine SLV 300 in cooperation with the design company IMC/Engineering s. r. o. The main goal of theses is the creation of several design variants based on the critical research of similar machinery and the subsequent choice of the most appropriate solution. The assessment of the various options is done with amount of the changes caused on the existing design of the machine. It is essential the suitability of the solution from the perspective of the customer's company SolidVision s. r. o. Design solution is being designed for the possibility of a presentation device with unique features in its class, which is meant to be a simple maintenance free design with the possibility of easy service access For the chosen solution of the automatic tool changer are by calculation verified by the most exposed part of the device. In the thesis is also design documentation, for a better understand of the design solution.
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Horák, Vítězslav. "Konstrukce frézovací hlavy pro CNC soustruh s nastavitelným sklonem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417456.
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This thesis deals with design of CNC lathe milling head with B axis. Thesis includes research in CNC turning machines, their tool systems and overview of manufacturers of milling B axis. It also includes calculation of machining forces, design of spindle and design of B axis including necessary calculations. Part of this thesis is also 3D model and assembly drawing, 2 manufacturing drawings and list of items.
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Olejníček, Petr. "Implementace CAM softwaru SolidCAM do strojírenské firmy." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417075.
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This Masters thesis examines the production of a revolver frame and the implementation of a new CAM system for the manufacturing process. This thesis contain four parts. The first part is focused on the current manufacturing process. The second part of the thesis consists of a new proposal to use progressive rotary tools and elements of automation for inspection by the Equator Gauging System. The third part proposes a new manufacturing strategy for the revolver frame. At the end of the thesis, the production times of proposed and current technologies are compared.
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Leden, Pavel. "Výroba tělesa pro klíčový zámek." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229935.
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The diploma thesis is focused on the production of body for cylinder locks. This is production of very small and accurate parts. In the first part there is described the function of the lock, the sort of cylinder locks, their components and the basic types of safety elements. The second part is focused on the production of given type of body. The thesis deals with either existing production technology or proposals of possible innovation. This firstly consists in new organization of manufacturing operations. At the close we can find comparison of existing technology and new proposal.
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Cink, Vladislav. "Možnosti systému Heidenhain při programování obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229353.
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The Description of the control system Heidenhain iTNC 530 and the machine FV 25 CNC A. Detailed analysis of the impact of single programming functions for more effectivity machining by the help of specified machine.
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Straka, Jiří. "Technologie výroby součásti." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230015.
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This diploma thesis is developed within my Master’s degree studies, branch mechanical engineering (M21 K), and specialization in M STM. The aim of this thesis is to solve the technology of mechanical production (machining, tooling) for the machine component called ‚shape lid‘. I execute the analysis of this technology from the perspective of the conventional machining process, and alternatively, some of the non conventional machining process, too. Conventional machining process is so far used for manufacturing of this sort of machine’s element. It‘s implying laborious work difficulties, even it’s economically disadvantageous. I suggest a new technology of manufacturing. At first, a semi-finished component could be sized by conventional machining process, and then it could be finished by the CNC (computer numerical control) milling machine. By the non-conventional machining process assume the usage of an electro-erosive machining, plasma machining, or water jet machining.Conventional technology suppose the usage of CNC milling machines. Thereinafter, feasibility aspects of this brand new technology are considered in technical and economical perspective.
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Prokeš, Tomáš. "Výroba přírub s využitím postupu PPAP a normy ISO 9001." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241034.
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In the first part of this thesis is described implementation of quality management system in a small company according to ISO 9001. Next part is about production process by method PPAP. In this section is solved primarily ISO 9001 standard, statistical control of production and certification company according to requirements of ISO 9001. Second part is focused on mass production of flange by using the company facilities Kovobrábění Sobotka. In the end of thesis are reflected weaknesses of production. In the conclusion is described technical and economic evaluation of implementation QMS and machining sample parts.
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李恆毅. "Adaptive control in CNC milling machine." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/18957766977621409821.
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翁木原. "Study of Cutting Efficiency of CNC Milling Machine." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/68359544786850671607.
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碩士<br>國立彰化師範大學<br>電機工程學系<br>98<br>Abstract
High speed technology is the trend of tool machine development, including high speed machining(HSM) and high speed feed (HSF), which are both high speed processing. The so called high speed processing is to combine the technology of HSM, HSF and low radial/axial cutting depth to reach the precision of only few µm. High speed machining and feed are important technologies to improve productivity efficiency by high speed spindle and offering.
The thesis aims to research on effects of different cutting processes by high carbon S50C-type steel and middle carbon P5-type steel of disposable blade to compare different cutting and offering speed. The cutting characteristic under different cutting and offering speed is investigated to find out better cutting process condition. Different cutting forces, the wear of blade and the type of cutting are compared in the study. Besides, the efficiency and surface coarse roughness of the refinement piece under high speed cutting is examined. After experiment, it can be found that, by decreasing the force of the cutting blade, the surface brightness of the working piece can be improved, thus better cutting refinement can be obtained. Moreover, the cutting of middle carbon P5-type steel presents bad cutting strips, while the cutting of high carbon S50C-type steel presents better cutting conditions.
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Tsai, Nan-Ao, and 蔡腩懊. "Construction of Measurement Error System for CNC Milling Machine." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/2f96e2.
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碩士<br>國立虎尾科技大學<br>機械設計工程系碩士班<br>106<br>This research primary intention for establishes a set of CNC milling machine on-line gauging system, after the actual processing, after may gauge the processing immediately the milling depth, and may figure out the milling depth immediately the extent of the error, uses this gauging system to be possible effective to reduce the gauging work piece the time cost.
This research gauging system uses the way for the non-contact gauging, the use measuring instrument for the laser displacement idea, matching is the VB formula, the gauging experiment divides into two parts, the first part for confirms this gauging system using the slip gauge the system error, its gauging method for the use different way gauging mechanical zero point to the platform distance value, the gauging result may obtain the gauging measuring accuracy is 0.0455mm; The second part for gauges the work piece, its gauging method for uses the work piece the height difference, take the first gauging as the datum, then makes the second gauging, penetrates two time gauging to carry on the computation, may obtain the work piece actual milling depth, again carries on the computation with the design size, finally may obtain the gauging extent of the error.
This gauging system highly repeatability error maximum value is 0.0162mm, the minimum value for - 0.0065mm, the measuring accuracy is 0.0228mm.
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LO, CHI-JAN, and 羅祺然. "The Application of Visual Inspection Technology for Milling Cutters of CNC Milling Machine." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/95xz8s.
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碩士<br>崑山科技大學<br>電機工程研究所<br>107<br>The main purpose of this thesis is to realize the wear detection and size identification of the ordinary milling cutter of CNC milling machine. In the process, the microscope lens and image processing technology are used to complete the precise automatic detection of the milling cutter and apply to the cutting of the tool before machining. If the milling cutter is abnormal, it can be replaced in advance to reduce the time required for subsequent abnormalities and reduce the risk of out-of-tolerance caused by abnormal tool processing. And it can also reduce the demand of machine inspection personnel and reduce personnel costs.
The automatic detection method proposed in this thesis is mainly based on the following steps. The first step is to determine the tool type by using the Sobel edge detection to create a shape template. The second step applies the discriminating image to the corresponding pre-processing, the techniques of color extraction and gray value filtering are used to filter the background noise to highlight the cutter portion to be detected, and then integrate three kinds of image processing such as binarization, open operation and edge detection technique, so that more accurate the detection site. The third step is to accurately position the edge image after Sobel so that each cutter image can be placed in the middle of the image plane. Finally, the pixel area of the edge is detected to determine whether the milling cutter is available.
In this thesis, the four commonly used milling cutters are used to realize the experiments. The experimental results show that the image detection technology proposed in this thesis can achieve a 95% success rate in the dimension identification and wear detection of the cutter tip. Therefore, the detection technology proposed in this thesis is quite practical and feasible, and can meet the needs of the industry.
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Morais, Paulo Ulisses Cunha. "Development of working procedures of a 5 Axis CNC milling machine." Master's thesis, 2020. http://hdl.handle.net/1822/72403.
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Dissertação de mestrado em Mechanical Engineering<br>The work developed and presented on this dissertation tends to the installation and configurations of a 5-axis CNC machine with the creation of working procedures intended to build a stable workflow that can be employed by any individual expected to use the machine.
Being a large field within mechanical engineering as well as being involved in a large selection of different industrial sectors, the concept of 5-axis machining will be explored to develop knowledge in terms of CAM programming and manipulation/optimization of toolpaths.
The importance/functioning of the transmission of information both from post-processor to the controller and from the controller to the actual machine is also a critical point in this work as they are directly related to the quality of the parts produced.
To accomplish this, the theoretical knowledge foundations regarding CNC machining work were researched, studied, and explained.
Furthermore, the machine model in question (HY-6040 5-axis CNC Router) was meticulously analysed regarding to the machines structure, post-processor, and controller.
Upon assembling all this information, and through the production of some test parts, a permanent manufacture workflow for different machining approaches was established and described.<br>O trabalho desenvolvido e apresentado nesta dissertação tende à instalação e configuração de uma máquina CNC de 5-eixos, com a criação de procedimentos de trabalho destinados a criar um fluxo de trabalho estável que possa ser empregue por qualquer individuo que pretenda utilizar a máquina.
Sendo um grande campo dentro da engenharia mecânica e estando também envolvido numa grande seleção de diferentes setores industriais, o conceito de maquinagem em 5-eixos será explorado com a finalidade de desenvolver conhecimentos a nível de programação CAM e manipulação/otimização de trajetórias de corte.
A importância/funcionamento da transmissão de informação quer do pôs-processador para o controlador, quer do controlador para a máquina constituem também um ponto critico neste trabalho já que estão diretamente relacionados com a qualidade das peças produzidas.
Para a realização de tal, foram pesquisados, estudados e explicados os fundamentos do conhecimento teórico relativamente ao trabalho de maquinagem CNC.
Para além disso, o modelo da máquina em questão (HY-6040 5-axis CNC Router) foi meticulosamente analisado quanto à estrutura da máquina, pós-processador e controlador.
Após reunir toda esta informação, e través da produção de peças teste, foi estabelecido um fluxo de trabalho de manufatura (CAD/CAM/Maquinagem) para diferentes abordagens de maquinagem.
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Ke, Jian-Yu, and 柯建宇. "Refinement of the Feeding Device for a CNC Lathe and Milling Machine." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/yxn26y.
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碩士<br>國立高雄應用科技大學<br>機械與精密工程研究所<br>102<br>A feeding device is designed and manufactured to feed a CNC lathe and milling machine with small rods continuously and smoothly. The small rods to be handled have different shapes at its two ends. Large amount of the rods are initially disordered in a hopper, and the desired feeding devices must have the ability to unscramble, orientate, and convey them to the working position precisely. Possible solutions of the feeding devices are determined by using the morphological chart analysis method. A prototype of the best solution is then built for verifying its ability, and the experiments show that it is satisfactory to the design requirements.
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Do, Xuan-Hoa, and 杜順和. "Case Study on Virtual Five-Axis CNC Milling Machine Modeling and Motion Simulation." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86823852598610724819.
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碩士<br>國立高雄應用科技大學<br>精密模具與機械產研碩士外國專班<br>99<br>The virtual reality (VR) technology has been researched and developed dramatically in
recent years. Its importance and application, in engineering and education, have been
discussed and displayed in various science conferences. In engineering, many works have
been proposed relating to VR technology at universities and research institutes around the
world. Despite of what scientists have achieved, VR technology is still a broad and worth
topic to research and discover at the moment and in the future.
Along with development of VR technology in engineering, this thesis proposes a new
method in modeling and simulation of virtual machine tools. Three kinds of five-axis CNC
milling machine tools are taken as research objects: Head – Table machine, Head – Head
machine and Table – Table machine. The machine configurations are constructed basing on
a LNC-M520HC five-axis machining center in the Remote Virtual Rapid Manufacturing
Laboratory, Department of Mechanical Engineering, National Kaohsiung University of
Applied Sciences, Taiwan. The method mainly uses CATIA software to build, define and
simulate these three machines. The kinematic relationship between the components, home
position, travel limits, etc of the machines are defined. The virtual machine tools then are
simulated with three certain manufacturing processes. During the simulation, tool-path and
cutting process with work-piece deformation are dynamically displayed and edited. Besides,
the collision between components of the machines could be detected and avoided.
After that, VERICUT software is employed to model these three types of five – axis
machine. For Head – Table machine, one machining program is used to test this machine.
In which, this program is created by CATIA software. The simulation is conducted in both
of two cases of using APT code and NC code. The NC code is created from APT code by
using post – processor software. Also, an experiment is installed and run on real machine.
At the end of machining process, the machined part is compared with simulation result.
The significance of the proposed method is that it can be applied in engineering as well
as in training and education. This issue is briefly discussed at the end of the thesis.
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Chang, Yu-Jui, and 張祐睿. "CNC Machine Tool Surface Interpolator for Ball-End Milling of Free-Form Surfaces." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/86530668672143431693.
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碩士<br>逢甲大學<br>機械工程學系<br>88<br>Because of so many problems in the traditional CNC machine tool interpolator design, this paper presents a new type of it that is capable of generating the cutter path for ball-end milling of a free-form surface. The surface interpolator comprises three major points as follows: On-line algorithms for cutter-contact CC path scheduling, CC path interpolator, and tool offsetting. There are three kinds of interpolator algorithms, iso-parametric, iso-scallop and iso-planar respectively. The proposed surface interpolator gains the advantages for minimizing the data feeding to the CNC machine tool and maintaining the desired feedrate and more position accuracy along the CC path.
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Tsai, Jeng-Cheng, and 蔡政呈. "The study of simple milling-operation system for 3-axis CNC machine center." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/wsavgg.
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碩士<br>國立虎尾科技大學<br>機械與機電工程研究所<br>97<br>In recent years, with the rapid development of information industry, personal computer industry as well as PC-based automation industry is promoted. Due to open infrastructure and environment of PC hardware and software, it becomes a trend to apply the PC-based controller to plant automation.
This research based on CNC tool and changed controller from original module to domestic PC-based module. Moreover, PLC process was used for tool. In the open PC infrastructure, the human-machine interface linked to controller and our milling-operation system was integrated. Thus the intelligent tool system was constructed.
The milling-operation system in this research is designed for 2.5D manufacture including facial, bagged, stalactic, marginal, and drill milling. We expect that the products which users demand are manufactured by this system without adopting NC programming. Eventually, this research verified correctness and feasibility by laser measurement and actual cutting.