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Thematische Bibliographien / CNC control / Dissertationen

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Dissertationen zum Thema „CNC control“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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1

Kanburoglu, Furkan A. "Distributed Control System For Cnc Machine Tools." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610599/index.pdf.

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&ldquo<br>Numerically Controlled&rdquo<br>(NC) machine tools, which are automatically operated by encoded (digital) commands, are capable of machining components with quality and quantity. Manufacturing industry heavily depends on these machines. Many different control architectures have been adapted in today&rsquo<br>s CNC technology. Centralized control system is quite popular in industry due to its ease of implementation. If the number of controlled axes on a CNC machine tool (&gt<br>3), increases so does the computational burden on the central processors. Hence, more powerful processors

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2

Vondrák, Jan. "Technologie CNC frézování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-228933.

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Common possibility analysis on milling machine, analysis possibility for programming in workshop oriented milling in system Sinumerik 840D ShopMill. Project alternative manufacturing technology including creation NC programme and technical economic valuation for part of Suspension globular screw in axis X.

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3

Kumar, Sanjeev. "STEP-NC Compliant process control for CNC manufacture." Thesis, University of Bath, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488894.

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Manufacturing firms strive to improve existing methods or develop new ideas to reduce production costs and lead time in order to rapidly provide quality assured parts to customers. Maintaining control over the processes involved in manufacturing is. therefore, vital. With the widespread use of CNCs in the industry, controlling their manufacturing processes has become pertinent.

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4

Rahaman, Mostafizur. "High speed motion control of CNC machince tools." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44797.

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High speed machining is a relatively new technology that has been applied to industries such as aerospace and die and mold making. By maximizing feedrates and cutting speeds of computer numerically controlled (CNC) machine tools, high levels of productivity are achieved. High speed machining requires rigid tool structures, stable spindles with high power and feed drives which can follow the desired tool trajectory. It is important to point out that both velocity and acceleration are physically constrained for any machine tool. However, the paths supplied by Computer Aided Design (CAD) systems

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5

Hau, Chuan-Shou. "Perspectives of computerized numerical control (CNC) machinists on the tasks of CNC machining technology in Taiwan /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487863429095404.

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6

Krejčí, Jan. "CNC řízení frézky." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442459.

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This diploma thesis deals with rebuild of manual drill-mill machine BF20L into CNC mill machine, 3D model of that and eventual control using PLC. All axes are powered by stepper motors, with encoders, connected to control cards and industrial computer from company Beckhoff. For this control is made full switchboard, supplemented by electrical wiring diagram. Program control along with visualization is made in software TwinCAT 3. Drill-mill machine can be controlled manually or automatically by program.

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7

Moore, Robert Keith. "Computer aided programming of a CNC lathe." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25123.

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A software package and associated hardware have been developed which gives users of the ORAC CNC Training Lathe an easier and faster method of manufacturing on the lathe. The package, entitled ORACAP, uses the computing power of a mini-mainframe computer, a VAX 11/750, to assist in part design, program generation, program optimization, and program proving for the ORAC Lathe. The package is designed for users unfamiliar with computers such as students in an educational institute or workers in a production facility and uses command procedures to simplify the preparation and execution of the modu

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8

Statham, Craig G. "An open CNC interface for intelligent control of grinding." Thesis, Liverpool John Moores University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313100.

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9

Thomas, David Andrew. "An adaptive control system for precision cylindrical grinding." Thesis, University of Liverpool, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243279.

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10

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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11

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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12

Quesada, Robert E. "Alternative assessment of computer numerical control (CNC) machine tool students." Online version, 1999. http://www.uwstout.edu/lib/thesis/1999/1999quesada.pdf.

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13

Stout, Adrian John. "Instrumentation techniques and improved control of stepper motor driven machinery." Thesis, Open University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312262.

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14

Ekman, Maud, and Annika Lingeby. "Byte av styrsystem för en CNC-svarv." Thesis, Linköping University, Department of Science and Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2234.

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<p>Examensarbetet som beskrivs i denna rapport handlar om byte av styrsystem i en CNC-svarv på företaget Precisionsdetaljer Mekatronik i Linköping. Ett Fanuc 5 styrsystem har ersatts av ett modernare Fanuc 21i-styrsystem. Rapporten beskriver det nya styrsystemet och redovisar hur arbetet med att praktiskt byta system har gått till. Arbetet indelades i tre delar, informationssökning, praktiskt arbete och dokumentation. Informationssökningen behövdes både för hopkoppling av de olika delarna och för parameter- och ladderprogrammering. Det praktiska arbetet bestod i att koppla tillsammans de delar

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Mana, Marek. "Možnosti stroje Vernet Behringer při CNC programování." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231234.

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The master’s thesis is focused on the possibilities of machining lines of the company Vernet – Behringer. The theoretical part is a brief inclusion of the control system ProNC2 between selected commercially available control systems and are compared ways of programming CNC machine tools. On the machine tool of company Vernet – Behringer are processed mainly thin-walled components, that is why is part of the work focuses on the issue of machining thin-walled parts, the distribution of deflection tools and machined parts. The next part of thesis deals with the design and processing of technical

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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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17

Chen, Yinnan. "A generic intelligent control system for grinding." Thesis, Liverpool John Moores University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388528.

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18

Smith, Anthony Paul. "Improved axis synchronisation in a distributed machine control interpolator." Thesis, Nottingham Trent University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261374.

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19

Aguilar, Cesar David. "Self-tuning algorithm for dsp-based motion control in cnc applications." FIU Digital Commons, 1997. http://digitalcommons.fiu.edu/etd/1145.

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This thesis describes the development of an adaptive control algorithm for Computerized Numerical Control (CNC) machines implemented in a multi-axis motion control board based on the TMS320C31 DSP chip. The adaptive process involves two stages: Plant Modeling and Inverse Control Application. The first stage builds a non-recursive model of the CNC system (plant) using the Least-Mean-Square (LMS) algorithm. The second stage consists of the definition of a recursive structure (the controller) that implements an inverse model of the plant by using the coefficients of the model in an algorithm call

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20

Torres-Chazaro, Octavio F. "Design and evaluation of CNC-user interfaces." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/39787.

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21

Ratica, Filip. "Rotační součást vyráběná na CNC stroji." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-432712.

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The diploma thesis contains an overview of the development of numerical control of machine tools and a historical excursion of the beginnings of numerical control. The work deals with the design and presentation of the component, and then the calculation documentation used to determine the load and safety of the component. After computational and design analysis, the work deals with the design of component production on CNC machines and the technological process of production. Finally, the production of the part is documented and evaluated.

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Rincón, Ardila Liz Katherine. "Estudo do comportamento dinâmico de máquina-ferramenta CNC com ênfase na implementação de sistemas de controle." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265364.

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Orientadores: João Mauricio Rosário, Didier Dumur<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-22T07:43:59Z (GMT). No. of bitstreams: 1 RinconArdila_LizKatherine_D.pdf: 34773968 bytes, checksum: a0a6769d12cd82525097b60b095e82b4 (MD5) Previous issue date: 2013<br>Resumo: Esta tese de doutorado apresenta o estudo do comportamento dinâmico para máquinas-ferramenta CNC (Controle Numérico Computadorizado) com ênfase na implementação do sistema de controle, a fim de melhorar o desempenho desse dispositivo, possibil

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Yevsieiev, V., and N. Demska. "Analysis of Methods of Control of CNC Machines in Cyber-Physical Production Systems." Thesis, European Scientific Platform, 2021. https://openarchive.nure.ua/handle/document/20289.

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It is determined that the best option for the machine control system with CNC in the creation of cyber-physical production systems for Smart Manufacturing - are intelligent control systems that allow you to reflect physical processes in digital prostrate in real time, which is a key requirement in Ops 4.0 concepts

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Kubíček, Dominik. "Výroba kovového těsnicího kroužku na CNC obráběcím stroji." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230399.

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Theoretical analysis of the possibility of manufacturing a metal sealing ring on the CNC machine tool. Selecting the most appropriate technology and manufacturing process analysis, involving selection of materials, tools and machining conditions.

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25

Peng, Jie. "Design and analysis of a CNC system for machining and monitoring." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/29730.

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The development of unmanned machining systems has been a recent focus of manufacturing research. Computer Numerical Control (CNC) units, which monitor and control many tightly coupled machining tasks, are inseparable parts of the unmanned manufacturing system. This thesis addresses the detailed design and analysis of a modular CNC system for a milling machine. The feed drive control system of the machine tool is thoroughly studied. The mathematical model for the feed drive control system, which consists of a motion controller, power amplifiers and DC-servo motors, is developed and experiment

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Ciklamini, Marek. "Zlepšení dynamiky CNC osy s kuličkovým šroubem." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230737.

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This work deals with virtual designing of ball screw drives of CNC machine by modern software tools to approximate evaluation of dynamic behavior of real system. Realized multi body system of thrust axes actuated by synchronous motor is analyzed and after that are designed elements of control used for accuracy positioning of table.

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27

Vičar, David. "Možnosti softwaru SinuTrain Operate 2.6 při programování CNC obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-231009.

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This masters thesis deals with the possibilities of SinuTrain Operate 2.6 software, used for programming CNC machine tools. The first part of the thesis is devoted to concise treatise on workshop programming in SinuTrain Operate 2.6, the possibilities of ShopTurn system and the issue of difficult to machine materials. The second part is focused on the preparation of technical documentation and design of selected component, which machining can be programmed by using the Sinumerik Operate 2.6 – ShopTurn system and practical verification of NC program by using graphical simulation.

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Krulich, Hynek. "Sinumerik Operate 840D sl. při programování CNC obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400967.

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This Master’s thesis is focused on capatilibities of software SinuTrain Sinumerik Operate version 4.8 SP1. In the first part is comparison of control systems and their options. The next part discusses programming method in CNC machining.In the last part there are a practical examples of programming, simulation of their production and technical-economic evaluation.

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Sencer, Burak. "Smooth trajectory generation and precision control of 5-axis CNC machine tools." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/14084.

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This thesis presents experimentally verified optimal feedrate generation and high performance precision control algorithms developed for 5-axis machine tools. A feedrate scheduling algorithm has been introduced to minimize the cycle time for 5-axis machining of curved tool-paths. The variation of the feed along the tool-path is expressed in a cubic B-spline form as a function of the arc displacement. The velocity, acceleration and jerk limits of the five axis drives are considered in finding the most optimal feed along the tool-path to ensure smooth and linear operation of the servo drives wit

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Alkafafi, Loay [Verfasser]. "Time and Frequency Optimal Motion Control of CNC Machine Tools / Loay Alkafafi." München : Verlag Dr. Hut, 2013. http://d-nb.info/1035049929/34.

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Castro, Marcelo Hirai. "Processo para obtenção de furos quadrados utilizando máquinas ferramentas CNC com ferramenta em rotação." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/264536.

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Orientador: Amauri Hassui<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica<br>Made available in DSpace on 2018-08-21T02:13:50Z (GMT). No. of bitstreams: 1 Castro_MarceloHirai_M.pdf: 4008200 bytes, checksum: a0c71450e4b5c3ac934e22f6e3cc9f4b (MD5) Previous issue date: 2012<br>Resumo: A inovação é a chave para o diferencial da indústria no mercado competitivo atual. Fazer diferente, melhor e mais barato sempre agrega valor ao produto. Por outro lado, a resistência às mudanças faz parte do comportamento humano, seja na sociedade, ou na indústria. O

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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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Toman, Martin. "Systém Sinumerik při synchronním programování CNC obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232061.

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This thesis deals with advanced programming of CNC milling machines in Sinumerik 840D powerline control system. Mostly it is aimed on issues of synchronized actions. These actions can adaptively react on progress of milling process regarding to signal detection from the machine and execute specific action. In the introduction of the thesis there are briefly described basic issues and fundamentals of CNC machines and control systems programming. The problematic regarding the programming of synchronized actions is also described. The examples with evaluation of their function are created in the

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Král, Zdeněk. "Možnosti softwaru SinuTrain 4.7 při programování CNC obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2017. http://www.nusl.cz/ntk/nusl-317191.

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This master's thesis is about the possibilities of NC programming of car wheel hub component in software SinuTrain 4.7. The theoretical part is focused on the integration of the SINUMERIK 840D control system with other control systems, it contains informations about basic methods of NC programming and research relate to the field of materials used for the production of component. The practical part of the thesis includes the design and processing of technical documentation of the component, production technology and NC program. The output of this thesis is practical verified the function of th

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Masih, Hanifzadegan. "Linear parameter-varying control of CNC machine tool feed-drives with dynamic variations." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51892.

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This thesis presents new approaches to feed-drive control of computer numerical control (CNC) machine tools machine tools with a significant range of dynamic variations during machining operations. Several sources which can cause dynamic variations of feed-drive systems are considered, such as the change of table position, the reduction of workpiece mass, and the variations of tool-path orientation. Feed-drive systems having the dynamic variations are modeled as linear parameter varying (LPV) models. For the LPV models, three control methods are proposed to achieve satisfactory control perfo

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Akinci, Arda. "Universal Command Generator For Robotics And Cnc Machinery." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610579/index.pdf.

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In this study a universal command generator has been designed for robotics and CNC machinery. Encoding techniques has been utilized in order to represent the commands and their efficiencies have been discussed. The developed algorithm generates the trajectory of the end-effector with linear and circular interpolation in an offline fashion, the corresponding joint states and their error envelopes are computed with the utilization of a numerical inverse kinematic solver with a predefined precision. Finally, the command encoder employs the resulting data and produces the representation of positio

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Farka, Jan. "Možnosti řídicího systému Heidenhain při programování CNC obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444272.

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Modern machine tools are equipped with control systems, which are the imaginary brain of the whole machine. These control systems are developed, further managed, and constantly innovated by many companies, so it is clear that there is a kind of competition in the field of control systems. The aim of this work is mainly to describe the possibilities of one of the greats among developers of control systems from the company Heidenhain and also a thorough comparison of this system with systems from other manufacturers. Last but not least, other Heidenhain products and their possibility of use in p

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Kulenda, Martin. "Možnosti systému Sinumerik při programování CNC obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229874.

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The master’s thesis incorporates the control system Sinumerik 840D to the most widely used control systems of CNC machine tools. In the first thesis part are analyzed the NC programming methodics, which are relative only to the control system Sinumerik 840D and an essentials necessary to understand the issue in the area of CNC machine tools. Next part of the thesis includes design of the technology and processing of the NC program for machined component (gearbox cover). The NC program is made by ShopMill that is focused on a workshop area. During the program creation is combined a ShopMill and

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Barrow, Abigail Anne. "Acquiring technological capabilities : the CNC machine tool industry in industrialising countries, with special reference to South Korea." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/19163.

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Kilic, Ergin. "Novel Position Measurement And Estimation Methods For Cnc Machine Systems." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12608762/index.pdf.

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Precision control of translational motion is vital for many CNC machine tools as the motion of the machinery affects the dimensional tolerance of the manufactured goods. However, the direct measurement along with the accurate motion control of machine usually requires relatively expensive sensors i.e. potentiometers, linear scales, laser interferometers. Hence, this study attempts to develop reference models utilizing low-cost sensors (i.e. rotary encoders) for accurate position estimation. First, an indirect measurement performance is investigated on a Timing Belt driven carriage by a DC Moto

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Alkafafi, Loay [Verfasser], and Norbert [Akademischer Betreuer] Hoffmann. "Time and frequency optimal motion control of CNC machine tools / Loay Alkafafi. Betreuer: Norbert Hoffmann." Hamburg-Harburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2013. http://d-nb.info/104857394X/34.

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鄭喜天. "Fuzzy control of CNC machine center." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/63912648479177959978.

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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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44

Huang, Chih-Hung, and 黃志宏. "The Feedrate Control of CNC Machine Tools." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/08611573260080328024.

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碩士<br>國立中央大學<br>機械工程研究所<br>90<br>As CNC machine tools industry developed vigorously, not only CNC machine tools needed to promote working quality with regard to CNC machine tools, but also to pay much attention to working speed. The major function of the CNC interpolator is to send accurate motion commands to servo-controllers. Since the computational power of microprocessors has been significantly improved in recent years, today''s CNC interpolators can provide accurate motion commands and the look-ahead function for real-time accelerating and decelerating motion along a trajectory. This i

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Chen, Jheng-Sian, and 陳政賢. "The Study of Precision CNC Control System." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/91905641348305721561.

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碩士<br>國立中興大學<br>機械工程學系所<br>103<br>The objective of this thesis is trying to integrate the control system of a precision machine tool, such that it can be used to link and operate each device in this machine. Next, the performance test and servo tuning are being conducted in order to achieve the specifications as required. The base of this machine tool is made of granite, with air guide-ways in both X- and Y-axis, and linear guide in Z-axis. They are driven by linear motors. Two different types spindle are being used, one with built-in motor the other is air-driven spindle. The linear motors

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Chang, Che-Hao, and 張哲豪. "Study of Virtual CNC Servo Control Technology." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/57222038558485210754.

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碩士<br>國立中興大學<br>機械工程學系所<br>102<br>The virtual machine tool technology is the development trend in nowadays. Because this technology can reduce the development time and production cost effectively, it is becoming an important technique for Taiwan’s machine tool industry. In this thesis, we are focusing on the construction of the servo-control loop for the virtual machine tool. Through the system identification, the frequency response function of the system was acquired. The unknown parameters of the servo-control loop are obtained by using curve fitting method. The MATLAB/Simulink software is u

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Kunigahalli, Raghavan S. "CNC concrete placement planning and control system." 1994. http://catalog.hathitrust.org/api/volumes/oclc/31614890.html.

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Thesis (Ph. D.)--University of Wisconsin--Madison, 1994.<br>Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 147-160).

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Lien, Chih-hao, and 連志豪. "Intelligent Feedback Control in CNC Cutting Operations." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/28095485250381714313.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>100<br>The development of robust condition monitoring system for machine tool chatter is an important task because the chatter has a significant effect on the tool life and pro-cessing surface quality. This paper presents the architecture of data acquisition system for detecting tool chatter in turning processes in order to develop an on-line condition monitoring system. In this work, a microphone is installed near the spindle and is used to monitor the machine tool processing state in real time, thereby improving the processing quality. Using frequency domain pr

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Hsiang, Hsiung-Hai, and 向雄海. "Cross-coupling Adaptive Control for CNC Machine Tools." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/18935997780659791531.

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碩士<br>國立高雄第一科技大學<br>機械與自動化工程所<br>97<br>When a CNC machine tool is machining, there are some uncertainties of parameters and disturbances in system’s model due to the weight and material of workpiece and cutting rate are usually variant. Therefore the controller must be robust for such varying conditions. Adaptive control is suitable for that. Besides, to improve the machining precision, it’s essential to improve the contour errors, which is the main goal of the cross-coupling control (CCC). This research proposes a simple and effective contour-error algorithm to reduce the amount of computatio

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Xu, Wen Tong, and 許文通. "The contouring error control of CNC machine tools." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/11581449045200327369.

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