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Journal articles on the topic 'CNC control'

Author: Grafiati

Published: 28 June 2021

Last updated: 17 February 2022

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1

Fatriyana, Maya. "CNC PROGRAM AND PROGRAMMING OF CNC MACHINE." Journal of Mechanical Science and Engineering 7, no. 1 (October 7, 2020): 019–23. http://dx.doi.org/10.36706/jmse.v7i1.37.

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A programming to make parts are CNC Programming (Computer Numerical Control Programming) for machines. An NC program consists of a sequence of instructions that control the motion and automatic sequences of an NC Machine to perform a particular processing task. In a general sense, the term NC programming refers to the creation of control data for machining workpieces on NC and CNC machines. NC programming has a decisive influence on the cost-effectiveness and profitability of NC manufacturing. The selection of a programming system is mostly guided by the need for software that is suitable for the application at hand, readily available, and as universally applicable as possible.

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2

Zhang, Er Hong, and Hua Long Zhang. "Control System for Automatic Surface CNC Machining." Applied Mechanics and Materials 741 (March 2015): 768–71. http://dx.doi.org/10.4028/www.scientific.net/amm.741.768.

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CNC technology is mechanical movement with digital information and work process control technology, data processing is the reverse engineering of important technical aspects, which determines whether the subsequent model reconstruction process easy and accurate manner. In this paper, CNC machining complex surfaces feature full potential of existing CNC equipment, automatic control system designed to make CNC machining equipment to achieve higher processing speed, high precision machining, and CNC equipment in order to achieve high efficiency machining.

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3

Nugroho, Aji Brahma, M. A'an Auliq, and Muhammad Zulfikar Alrasyid. "Analisa Perbandingan Performansi Akurasi Mesin CNC (Computer Numerical Control) Router Berbasis Mach3 dan Arduino Uno Menggunakan Metode SQC (Statistical Quality Control)." Jurnal Teknik Elektro dan Komputasi (ELKOM) 2, no. 2 (September 24, 2020): 75–86. http://dx.doi.org/10.32528/elkom.v2i2.3464.

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Mesin CNC salah satu teknologi yang masih dikembangkan untuk peningkatan kegiatan produksi salah satunya mesin CNC 3 axis dengan fungsi milling. Pada umumnya kontrol utama mesin CNC menggunakan salah satu board dari platform resmi yaitu Mach3 dengan fitur yang sangat mendukung untuk fungsi sebuah mesin CNC salah satunya komunikasi paralel untuk menunjang kinerja mesin CNC tetap stabil, akan tetapi komputer dengan fitur komunikasi paralel umumnya tipe lama dengan spesifikasi rendah yang hanya bisa dijadikan sender dan tidak bisa digunakan untuk mendesain. Berdasarkan permasalahan tersebut maka diperlukan peningkatan efisiensi dalam memanfaatkan teknologi CNC yaitu dengan menggunakan platform yang bersifat open source dan menggunakan komunikasi serial untuk menjadikan teknologi CNC lebih fleksibel dalam hal pengoperasian dengan satu komputer dapat digunakan untuk mendesain dan sender. Arduino Uno salah satu platform yang bersifat open source yang dapat dimanfaatkan untuk menjadi kontrol utama mesin CNC. Hasil penelitian mesin CNC berbasis Arduino menunjukan bahwa penerapan komunikasi serial untuk pengoperasian mesin CNC memiliki perfomansi dan akurasi yang tidak jauh berbeda dengan mesin CNC yang menggunakan komunikasi serial. Dalam parameter jumlah objek yang dikerjakan sama Mach3 30 detik lebih cepat dengan akurasi kesalahan 0,05% dan Arduino 0,1%. Dalam parameter jumlah waktu yang sama yaitu 30 menit Mach3 menyelesaikan 8 objek dan objek ke - 9 hanya dikerjakan 25,6%, Arduino menyelesaikan 8 objek dan objek ke – 9 hanya 14,5%.

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4

Prianto, E., T. H. T. Maryadi, Sunomo, C. A. J. Malik, M. W. Purnomo, and O. M. Caecaria. "Mini CNC Design to Increase Students’ Programming and Control CNC Competencies." Journal of Physics: Conference Series 1413 (November 2019): 012006. http://dx.doi.org/10.1088/1742-6596/1413/1/012006.

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5

Sahin, Mehmet, Suleyman Yaldiz, Faruk Unsacar, Burak Yaldiz, Nikolaos Bilalis, Emmanuel Maravelakis, and Aristomenis Antoniadis. "Virtual Training Centre for Computer Numerical Control." International Journal of Computers Communications & Control 3, no. 2 (January 1, 2008): 196. http://dx.doi.org/10.15837/ijccc.2008.2.2387.

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It is a fact that virtual training has been a scope of interest for vocational training for a very long time. However, it needs more time to be more common in all specific training fields. Focusing on Computer Numerical Control (CNC) Training, new developments in the CNC machinery produce a continuous demand on enhancing the programming and technical capabilities of the involved personnel. Training on CNC should follow similar developments and in particular in their programming capabilities, automation they offer and their technical capabilities. Based on these main objectives a Virtual Training Center (VTC) for CNC has been developed and it is presented in this paper. The VTC is the main result of a multilateral Leonardo Da Vinci project witch aims to promote and reinforce Vocational Training in CNC Machines.

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6

ZHAO, GUOYONG, and YUGANG ZHAO. "MULTI-AXIS LINKED SERVO SYSTEM CONTOURING ERROR CONTROL APPROACH BASED ON NURBS CURVE INTERPOLATION." Journal of Advanced Manufacturing Systems 10, no. 01 (June 2011): 21–27. http://dx.doi.org/10.1142/s021968671100193x.

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The contouring precision of computer numerical control (CNC) machine tools relates to whether the dynamic performances among all the axes match or not. In general, the cross-coupled controller (CCC) is a more efficient approach to enhance contouring precision than single-axis servo controller. Note that the contouring error CCC can not be separated from pathway programming in multi-axis linked servo system. In order to obtain satisfied contouring precision, the CCC approach connected with non-uniform rational basis spline (NURBS) curve interpolation is researched in detail in the paper. Above all, an "arc approximation algorithm" contouring error computing model is developed, according to the real cutter positions from each axis feedback and the interpolation dots stored in the interpolation buffer. Then the contouring error correction quantity PI control and distribution algorithm is put forward by introducing a zoom coefficient. The contrast experimental results on the CNC experiment table show that the developed CCC approach can reduce contouring error and improve tracking performance further.

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7

Peng, Chong, Yu Jie Meng, and Li Yun Lan. "Study on Software Reliability of Numerical Control System." Applied Mechanics and Materials 278-280 (January 2013): 2085–89. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.2085.

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With the rapid development of electronic components manufacturing technology and the application of reliability technology, the hardware reliability of the CNC system and servo drive system has been greatly improved. Currently, the performance and functionality of CNC system, which achieved gradually by the software instead of hardware, is becoming increasingly complex. However, very few researches on the reliability of CNC system software was presented. In this paper, the basic conceptions and important of CNC software reliability were discussed, and comparative analysis on the research status at domestic and abroad were studied from the view of theoretical research and engineering practice. Meanwhile, the paper collected field failure data on 30 CNC systems in six months, and reliability analysis was made based on the data.

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8

Dias, Nuno, Hugo Alvarinhas, André Quintã, and José Santos. "WEB ENABLED CNC MILLING MACHINE CONTROL." IFAC Proceedings Volumes 39, no. 3 (2006): 759–64. http://dx.doi.org/10.3182/20060517-3-fr-2903.00377.

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9

Serruys, Wim. "Adaptive Control in CNC Sheet Metal Processing." Key Engineering Materials 473 (March 2011): 13–20. http://dx.doi.org/10.4028/www.scientific.net/kem.473.13.

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Three different and complementary ways of adaptive control are presented, each working on a different time scale. All three of them are made possible due to evolutions and developments in CNC controls. The first and most popular way of adaptive control is adaptive process control. Since the process variables in sheet metal equipment change significantly in milliseconds, the control loop must also perform on a sub second time scale. The second adaptive loop is adaptive production control. Modern CNC controls know what they are manufacturing and talk with higher production software. Instead of just executing a planning that came top down, the CNC has enough knowledge of its environment that it can propose an intelligent job sequence and hence react more effectively on unforeseen situations. These adaptive loops perform on a time scale of hours and days. The third adaptive loop is adaptive resource control. To produce sheet metal parts, we need several kinds of resources: human resources, material, consumables, energy and equipment. CNC sheet metal equipment is a considerable investment. However most production managers do not know how effective their resources are being used. By applying the principles of overall equipment effectiveness, we can close the resource control loop. This loop performs on a time scale of weeks and months.

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Yu, Ying Liang, and Zai Dan Geng. "The Study on Application of Worm’s Numerical Control Machining." Key Engineering Materials 455 (December 2010): 594–98. http://dx.doi.org/10.4028/www.scientific.net/kem.455.594.

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One of the significant features of CNC technological superiority is in the practical applications, according to the necessary movement of processed parts required, we can use generating method to transform CNC machine tools and receive the desired results. This article discussed under the premise that lack of special equipment, transforming ordinary horizontal CNC milling to machine worm gear. The advantage of this numerical transformation approach is using the processing functions of thread and tapered thread instruction, skillfully translating into control of the CNC machining worm, expanding the CNC machining capabilities and the scope of practical application. Also apply the advantages of CNC technology, reduce or eliminate the accumulation of worm in the processing of pitch error which makes the worm processing precision and smoothness of worm drive better. This paper discussed the principles of numerical control transformation, transformation of milling machine structure and the conversion calculation of parameters in programming, analyzed the causes and processing effects of worm gear processing errors control and accuracy improving.

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Sobirin, Diki Muhamad, and Jana Utama. "Perancangan Sistem Multi Computer Numerical Control (CNC) untuk Plotter dan Laser Engraving." Komputika : Jurnal Sistem Komputer 9, no. 1 (April 3, 2020): 51–58. http://dx.doi.org/10.34010/komputika.v9i1.2652.

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ABSTRAK – Tujuan dari penelitian ini adalah membuat CNC yang memiliki 2 fungsi dalam 1 sistem. Dengan memanfaatkan USB serial untuk komunikasi antara komputer dan mikrokontroler. Program untuk mengoperasikan CNC dirancang dengan menggunakan perangkat lunak LabVIEW, program akan mengkonversi gambar menjadi G-Code dan mengirim G-Code ke dalam sistem CNC untuk melakukan proses plotter atau laser engraving. CNC Plotter dapat membuat sebuah pola gambar pada kertas dengan bolpoin secara otomatis. Sedangkan CNC Laser Engraving dapat membuat sebuah gravir pada kayu dengan memanfaatkan panas laser, panas laser akan mengikis permukaan kayu secara otomatis. Dalam merancang multi CNC 2 buah motor stepper digunakan sebagai akuator penggerak sumbu, dan untuk penggerak bolpoin menggunakan motor servo. Adapun laser yang digunakan untuk gravir kayu menggunakan dioda laser berdaya 500 mw. Berdasarkan hasil pengujian dalam penelitian ini, Program pada LabVIEW dapat mengkonversi gambar menjadi G-Code laser, dan program dapat mengirim G-Code ke dalam sistem CNC, sehingga CNC dapat melakukan proses grafir laser pada kayu serta dapat mengatur ketebalan grafir sesuai dengan kebutuhan. Adapun kecepeatan pemakan ideal 50-500 mm / menit dan kecepatan pemakan maksimal 2000 mm / menit. Sementara itu, CNC Plotter dapat mencetak sebuah gambar bidang berbentuk kotak dengan ukuran terkecil 2 mm x 2 mm, dan lingkaran dengan diameter terkecil 2 mm dengan tingkat akurasi 100%. Maksimal dimensi gambar yang dapat dikerjakan Multi CNC ini 300 mm x 300 mm. Kata Kunci – Multi CNC, LabVIEW, G-Code, Mikrokontroler.

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12

Lei, Zhang. "Study on Design Proposal of Computerized Numerical Control Machine Networking." Advanced Materials Research 748 (August 2013): 699–703. http://dx.doi.org/10.4028/www.scientific.net/amr.748.699.

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At present, the majority of enterprise technology management and production management have entered the network era. The demand for people who are occupied in 3D product design, numerical control advanced engineering technology is gradually increased. In order to speed up the production development of factories, we need to greatly improve the productivity of CNC machine. Therefore, CNC networking and management is imperative. This article describes background of the implementation of the numerical network management as well as its necessity. According to the industry characteristics of design and manufacturing and production management, this paper analyzes proposals on the network management system of CNC and describes the main functions of the machine network system and the results after the implementation. The network system of CNC is to improve the productivity of CNC machine, and give references to the application of CNC machine networking in large machine manufacturing industry.

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13

Zhou, Quan. "Application of PLC in the CNC Machine Tool Control System." Applied Mechanics and Materials 182-183 (June 2012): 902–5. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.902.

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In the CNC machine tool control systems PLC plays an important role,this article describes the classification of the PLC CNC machine tools,the role of information exchange and application of methods, that the PLC has become indispensable for high performance CNC control device.

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14

Jiang, Jing Jie, Hua Qing Tan, and Bo Yao. "A Multi-Platform Compatible and Open Software Architecture for Computer Numerical Control Systems." Advanced Materials Research 468-471 (February 2012): 430–33. http://dx.doi.org/10.4028/www.scientific.net/amr.468-471.430.

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Abstract. By analyzing the current open software architectures for PC-based master-slave Computer Numerical Control(CNC) systems and soft-CNC systems, this paper put forward a multi-platform compatible open software architecture for the two types of CNC systems. The architecture is composed by five different function layers: CNC presentation Layer, CNC Business Layer, CNC Data Layer, NC Interface Layer and NCK Layer. Firstly, the WPF and the MVVM pattern decouple the User Interface (UI) presentation and business logic. Secondly, the component technology is used to decouple the business logic and Numerical Control(NC) functions. Thirdly, the implementation of NC tasks is put into non-RT environment and RT environment. The experiment results of developing the application based on the architecture show that the layered software architecture improves the maintenance and development efficiency, and running the application in the “non-RT+RT” environment proves that the architecture is available for PC-based master-slave CNC systems and soft-CNC systems.

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15

Yudianto, Yudianto. "AN OVERVIEW OF DIRECT OR DISTRIBUTED NUMERICAL CONTROL IN COMPUTER NUMERICAL CONTROL APPLICATIONS." Journal of Mechanical Science and Engineering 7, no. 2 (January 23, 2021): 025–29. http://dx.doi.org/10.36706/jmse.v7i2.38.

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Direct numerical control is also known as distributed numerical control (also abbreviated DNC), is a common manufacturing term for networking CNC machine tools. On some CNC machine controllers, the available memory is too small to contain the machining program (for example machining complex surfaces), so in this case the program is stored in a separate computer and sent directly to the machine, one block at a time. If the computer is connected to a number of machines it can distribute programs to different machines as required. Usually, the manufacturer of the control provides suitable DNC software. However, if this provision is not possible, some software companies provide DNC applications that fulfill the purpose. DNC networking or DNC communication is always required when Computer-Aided Manufacturing (CAM) programs are to run on some CNC machine control. Wireless DNC is also used in place of hard-wired versions. Controls of this type are very widely used in industries with significant sheet metal fabrication, such as the automotive, appliance, and aerospace industries. A DNC system has to fulfill two basic tasks such as first guaranteeing secure, timely data transfer from and to the CNC controllers, secondly administering many thousands of NC programs.

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Paulsson, Johan, and Måns Ehrenberg. "Noise in a minimal regulatory network: plasmid copy number control." Quarterly Reviews of Biophysics 34, no. 1 (February 2001): 1–59. http://dx.doi.org/10.1017/s0033583501003663.

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1. Introduction 22. Plasmid biology 32.1 What are plasmids? 32.2 Evolution of CNC: cost and benefit 42.3 Plasmids are semi-complete regulatory networks 62.4 The molecular mechanisms of CNC for plasmids ColE1 and R1 62.4.1 ColE1 72.4.2 R1 72.5 General simplifying assumptions and values of rate constants 93. Macroscopic analysis 113.1 Regulatory logic of inhibitor-dilution CNC 113.2 Sensitivity amplification 123.3 Plasmid control curves 133.4 Multistep control of plasmid ColE1: exponential control curves 143.5 Multistep control of plasmid R1: hyperbolic control curves 163.6 Time-delays, oscillations and critical damping 184. Mesoscopic analysis 204.1 The master equation approach 204.2 A random walker in a potential well 234.3 CNC as a stochastic process 244.4 Sensitivity amplification 264.4.1 Single-step hyperbolic control 264.4.2 ColE1 multistep control can eliminate plasmid copy number variation 284.4.3 Replication backup systems – the Rom protein of ColE1 and CopB of R1 294.5 Time-delays 304.5.1 Limited rate of inhibitor degradation 304.5.2 Precise delays – does unlimited sensitivity amplification always reduce plasmid losses? 324.6 Order and disorder in CNC 334.6.1 Disordered CNC 344.6.2 Ordered CNC: R1 multistep control gives narrowly distributed interreplication times 344.7 Noisy signalling – disorder and sensitivity amplification 374.7.1 Eliminating a fast but noisy variable 384.7.2 Conditional inhibitor distribution: Poisson 394.7.3 Increasing inhibitor variation I: transcription in bursts 404.7.4 Increasing inhibitor variation II: duplex formation 414.7.5 Exploiting fluctuations for sensitivity amplification: stochastic focusing 444.7.6 A kinetic uncertainty principle 454.7.7 Disorder and stochastic focusing 464.7.8 Do plasmids really use stochastic focusing? 474.8 Metabolic burdens and values of in vivo rate constants 485. Previous models of copy number control 495.1 General models of CNC 495.2 Modelling plasmid ColE1 CNC 495.3 Modelling plasmid R1 CNC 526. Summary and outlook: the plasmid paradigm 537. Acknowledgements 568. References 56This work is a theoretical analysis of random fluctuations and regulatory efficiency in genetic networks. As a model system we use inhibitor-dilution copy number control (CNC) of the bacterial plasmids ColE1 and R1. We chose these systems because they are simple and well-characterised but also because plasmids seem to be under an evolutionary pressure to reduce both average copy numbers and statistical copy number variation: internal noise.

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Huang, Hai Peng, Zhen Long Wang, and J. M. Zheng. "Development of a CNC System for Multi-Axis EDM and its Realization." Key Engineering Materials 392-394 (October 2008): 50–54. http://dx.doi.org/10.4028/www.scientific.net/kem.392-394.50.

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This paper presents a new kind of multi-axis electro-discharge machining (EDM) computer numerical control (CNC) system which is based on RT-Linux platform. Binary kernel structure of EDM CNC System is proposed to handle real-time task and time-sharing task separately. The system is divided into three parts: CNC kernel module, CNC driver module and CNC user module. CNC kernel module implements CNC control function in of the software system, and implements the move control to the NC machine. CNC driver module is just as device driver level. CNC user module is user manage procedure. The experiment of rimed turbine blisk validates the performance of the system. The performance implied that the system is real-time, stable and reliable.

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18

Yuan, Xiao Ming, Yan Fang Zhao, Shun Yi Shi, and Hong Yu Wang. "Research on Open Numerical Control System Based on Collaborative Design and Development." Applied Mechanics and Materials 278-280 (January 2013): 225–29. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.225.

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The characteristics of open CNC system and the current several open CNC system models are introduced in this paper. In order to overcome the contradiction between the frequent changes demand and the closure of the traditional system, the open CNC system software and hardware architectures were investigated based on web-collaborative design and development, which improve the system development efficiency. Using the Windows XP operating system as a software platform, the Visual C++ 6.0 object-oriented programming language is adopted to design the CNC drilling control software based on the "PC + NC" the model and modular co-design methods, which improve the openness of the CNC system.

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Ungureanu, Ana Lacramioara, Gheorghe Stan, and Paul Alin Butunoi. "Maintenance Strategy Optimization for Computer Numerical Control Machine Tools." Applied Mechanics and Materials 809-810 (November 2015): 1504–9. http://dx.doi.org/10.4028/www.scientific.net/amm.809-810.1504.

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In this paper are proposed two new approaches to maintenance strategies for Computer Numerical Control (CNC) machine tools. The analysis is done for different families of CNC machine tools from S.C. Elmet Bacau, a company specialized in aviation. In maintenance actions applied to CNC machine tools is very important to know the evolution of defects and critical state of electrical and mechanical components. The results of this analysis concludes that maintenance actions can be judged by the developing time period diagram, between failure appearance and interruptions in operation. It is also analyzed the financial impact, revealed from known maintenance strategies adopted on CNC machine tools, resulting in a positive approach of condition based maintenance.

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Hou, Bo, Congpeng Zhang, and Shoubo Yang. "Computer Vision Tool-Setting System of Numerical Control Machine Tool." Sensors 20, no. 18 (September 16, 2020): 5302. http://dx.doi.org/10.3390/s20185302.

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An automatic tool-setting and workpiece online detecting system was proposed to study the key technologies of next-generation intelligent vision computerized numerical control (CNC) machines. A computer vision automatic tool-setting system for a CNC machine was set up on the basis of the vision tool-setting principle. A rapid vision calibration method based on the position feedback from the CNC machine was proposed on the basis of the theory of traditional vision system calibration. The coordinate mapping relationship of the image and the CNC machine, the tool-setting mark point on the workpiece, and the tool tip were calibrated. The vision system performance testing and system calibration experiments were performed. Experimental results indicated that the time consumption was 128 ms in image processing. The precision of tool setting and measuring was less than 1 μm. The workpiece positioning and processing online detection function of the system can completely meet the requirements of visual CNC machine application, and the system has wide application prospects.

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Gao, Fei, Xiang Dong Guo, and Wen Sheng Xia. "Design and Research of Industrial Robot Control Base on CNC Platform." Applied Mechanics and Materials 614 (September 2014): 188–90. http://dx.doi.org/10.4028/www.scientific.net/amm.614.188.

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In the pipeline for connecting rod body and the rod bushing assembly processes, still using manual complete, so the labor intensity is relatively large, the production efficiency is low. With the rapid development of CNC technology, digital technology is moving towards high-precision, high-speed, high flexibility, high reliability and composite direction of development, there are many new knowledge, new technologies, new processes and new methods. Meanwhile CNC system is the CNC technology foundation and core. Through CNC system for the robot's control to the assembly point in real time capture technology to reduce labor intensity, improve labor productivity.

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A, Henna. "Autonomous Trajectory Tracking and Contouring Control of Three Dimensional CNC." International Journal of Trend in Scientific Research and Development Volume-2, Issue-2 (February 28, 2018): 435–38. http://dx.doi.org/10.31142/ijtsrd9419.

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Muslim, Muslim, Abdul Hamid K, and Abdul Hasan Saragih. "Effectiveness of Constructivistic-Based Blended Learning Model Through Computer Numerical Control Courses." Advances in Social Sciences Research Journal 8, no. 3 (March 11, 2021): 1–9. http://dx.doi.org/10.14738/assrj.83.9804.

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This study examines the minimal number of credits and practical infrastructure in the CNC (Computer Numerical Control) course in the Department of Mechanical Engineering, Universitas Negeri Medan (UNIMED) which is a separate obstacle for students in improving competence of CNC course. An alternative and a solution in the form of constructivist-based blended learning model used in learning CNC course. The lack of literature studies on the use of constructivist-based blended learning models used in learning CNC course, so research is still needed on this problem. The purpose of this study was to determine the effectiveness of the constructivist-based blended learning model used in the learning process of the CNC machining course. The data collection process was carried out by using learning outcome tests. This type of research is a quasi-experimental study with a total sample of 56 students of the Mechanical Engineering Education Study Program of UNIMED on the engineering expertise competency of CNC course. The results of the data analysis raised 2 (two) themes that were discussed, namely: (1) constructivist-based blended learning model had an effect on learning outcomes of CNC Course in the Department of Mechanical Engineering Education, Unimed; and (2) constructivist-based blended learning model. The study of the two themes led to the conclusion that the two themes were effectively used in improving student learning outcomes in the CNC course at the Department of Mechanical Engineering Education, Unimed.

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YAMAZAKI, Kazuo, Hiroshi SUZUKI, Matuyuki MIWA, and Akira MORIYAMA. "Development of microprocessor based CNC control system." Journal of the Japan Society of Precision Engineering 51, no. 4 (1985): 822–28. http://dx.doi.org/10.2493/jjspe1933.51.822.

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Korovin, E. M. "Optimimal control of CNC machine operating regimes." Russian Aeronautics (Iz VUZ) 55, no. 3 (July 2012): 326–31. http://dx.doi.org/10.3103/s1068799812030178.

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Osakada, K., Y. Goto, M. Shiraishi, and T. Okada. "Shape Control in CNC Rotary Swaging Machine." CIRP Annals 41, no. 1 (1992): 285–88. http://dx.doi.org/10.1016/s0007-8506(07)61205-0.

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Shahin, Rami M., Waguih H. ElMaraghy, and EISayed M. ElBeheiry. "ON NONLINEARITY CONTROL OF CNC FEED DRIVES." Transactions of the Canadian Society for Mechanical Engineering 30, no. 1 (March 2006): 63–80. http://dx.doi.org/10.1139/tcsme-2006-0005.

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A Unified Reconfigurable Open Control Architecture (UROCA) aims at unifying the reconfiguration aspects and managing the interaction amongst the different operating levels of individual machining control systems that are likely to perform in reconfigurable manufacturing systems. The hierarchical control structure of UROCA demands the usage of a supervisory control scheme in order to manage operations of supervisory and servo controllers altogether into a reconfigurable control process. The main function of the supervisory unit is to serve as a switching/reconfiguring logic amongst different available controllers, according to need, in order to maintain motion output within the permitted limits. Due to backlash, efficiency of machine tools will be undesirably turned down causing higher vibrations, lower contouring accuracy, and may draw the whole system into instability region. A Switching control scheme designated to manage the control process where two different controllers with two different control functionalities, acting differently in two vital zones - one of them where the backlash lies, and the other when moving past the backlash - is the main topic of this paper. The proposed switching schemes emphasize a reconfiguration aspect on the control process level for machine tools as perceived, investigated and resolved by the physical and control layers located at the deliberative part of the UROCA architecture.

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Paprocki, Marcin, Andrzej Wawrzak, Krystian Erwiński, and Marek Kłosowiak. "Flexible PC-based CNC machine control system." Mechanik 91, no. 4 (April 9, 2018): 299–303. http://dx.doi.org/10.17814/mechanik.2018.4.46.

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In the article a PC-based CNC machine control system is presented which communicates with servo drives and auxiliary input/output devices via EtherCAT bus. LinuxRTAI real-time operating system and LinuxCNC control software were implemented in the PC controller. A software module implementing EtherCAT communication with the servo drives was developed and integrated with LinuxCNC. Experimental results were presented which show the trajectory smoothing capabilities of the control system. Experimental results were also presented that show following errors obtained by running an example trajectory on a linear motion module. Basic parameters that show the control systems capabilities obtained during the experimental tests have been presented. The CNC control system presented in this article was implemented on a 3-axis machine.

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Nam, Nguyen Ngoc, Sam-Sang You, Boc Minh Hung, Pham Dinh Tung, and Hwan-Seong Kim. "Robust control synthesis for CNC machine spindle." Machining Science and Technology 23, no. 6 (September 24, 2019): 985–1002. http://dx.doi.org/10.1080/10910344.2019.1652310.

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M. Basheer, Nasseer, and Hasan A. Abdulla. "CNC Software Control System Using Visual Basic." IOP Conference Series: Materials Science and Engineering 928 (November 19, 2020): 032069. http://dx.doi.org/10.1088/1757-899x/928/3/032069.

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Cao, Peng Xian, Hong Bin Cui, Xin Yu Liu, Xue Song Yu, and Chang Long Liu. "Numerical Control System Research and Development of Acrobatic Stage." Applied Mechanics and Materials 598 (July 2014): 574–77. http://dx.doi.org/10.4028/www.scientific.net/amm.598.574.

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With the continuous development of CNC technology, its application is more and more extensive. In recent years, the application of CNC technology in the area of stage also made great achievements. This paper detailed a scientific and reasonable scheme of acrobatic stage machinery and its control part, using CNC technology in acrobatic stage, through the corresponding algorithm and software realizing the operation and control of any trajectory in 3D space, taking advantage of intelligent editing function of screen running track, and compared with the traditional acrobatic stage , it gets more flexible, stronger strain capacity.

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Mohler, J., J. W. Mahaffey, E. Deutsch, and K. Vani. "Control of Drosophila head segment identity by the bZIP homeotic gene cnc." Development 121, no. 1 (January 1, 1995): 237–47. http://dx.doi.org/10.1242/dev.121.1.237.

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Mutational analysis of cap'n'collar (cnc), a bZIP transcription factor closely related to the mammalian erythroid factor NF-E2 (p45), indicates that it acts as a segment-specific selector gene controlling the identity of two cephalic segments. In the mandibular segment, cnc has a classical homeotic effect: mandibular structures are missing in cnc mutant larvae and replaced with duplicate maxillary structures. We propose that cnc functions in combination with the homeotic gene Deformed to specify mandibular development. Labral structures are also missing in cnc mutant larvae, where a distinct labral primordia is not properly maintained in the developing foregut, as observed by the failure to maintain and elaborate patterns of labral-specific segment polarity gene expression. Instead, the labral primordium fuses with the esophageal primordium to contribute to formation of the esophagus. The role of cnc in labral development is reciprocal to the role of homeotic gene forkhead, which has an identical function in the maintenance of the esophageal primordium. This role of homeotic selector genes for the segment-specific maintenance of segment polarity gene expression is a unique feature of segmentation in the preoral head region of Drosophila.

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Qi, Zhong Xia, Jiang Chen, and Chun Xia Wang. "Software Bus Architecture of Computer Numerical Control System." Applied Mechanics and Materials 58-60 (June 2011): 1651–56. http://dx.doi.org/10.4028/www.scientific.net/amm.58-60.1651.

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To meet the needs of open system and specific requirements of CNC platform, the component Software-Bus-Adapter model (SBA model) is presented. In this model, functional modules and application modules are encapsulated into components and integrated through software bus. The software bus is bridge between components communication. And the adapters accomplished hybrid components interface and data format transformation, which can be added to and removed from the system at runtime. Based on The SBA model is proven to be a solid base for CNC developing system with high efficiency, interoperability, scalability and openness. Development Practice has proved that SBA - based model of CNC system has more efficient and better interoperability and flexibility.

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Arm, J., Z. Bradac, S. Misik, and J. Streit. "CNC Motion Controller Testing Methods." IFAC-PapersOnLine 51, no. 6 (2018): 244–49. http://dx.doi.org/10.1016/j.ifacol.2018.07.161.

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Wang, Mu Lan, Jian Min Zuo, Kun Liu, and Xing Hua Zhu. "FPGA-Based Intelligent Software Hardening Chip for Computer Numerical Control System." Applied Mechanics and Materials 105-107 (September 2011): 2217–20. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.2217.

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In order to meet the development demands for high-speed and high-precision of Computer Numerical Control (CNC) machine tools, the equipped CNC systems begin to employ the technical route of software hardening. Making full use of the advanced performance of Large Scale Integrated Circuits (LSIC), this paper puts forward using Field Programmable Gates Array (FPGA) for the functional modules of CNC system, which is called Intelligent Software Hardening Chip (ISHC). The CNC system architecture with high performance is constructed based on the open system thought and ISHCs. The corresponding programs can be designed with Very high speed integrate circuit Hardware Description Language (VHDL) and downloaded into the FPGA. These hardening modules, including the arithmetic module, contour interpolation module, position control module and so on, demonstrate that the proposed schemes are reasonable and feasibility.

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Ye, Hua Cong, and Yue Ming Hu. "Study of Self-Adaptive Control System in CNC Machine." Applied Mechanics and Materials 271-272 (December 2012): 504–8. http://dx.doi.org/10.4028/www.scientific.net/amm.271-272.504.

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A set of solving scheme of full-closed loop adaptive servocontrol control system, which can on-line monitoring and real-time control ,was proposed based on the analysis of a number of factors that affect the processing quality of high-precision slender shaft during CNC machining process.Adopt the "PC+motion controller" mode,on-line detection accuracy index of the workpiece, and feed bake the detection signal to CNC system, through the automatic processing of CNC system, timely adjust cutting parameters, so that the detected error factors remain within a reasonable limits, to ensure the stability of the system and improve the accuracy of workpiece.

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Ding, Feng Qin, Yi Yu, and Zhi Yi Miao. "The Research of Linear Rotation-Axis Control Machining CNC Rotary Cam Surface Transformation." Applied Mechanics and Materials 163 (April 2012): 138–42. http://dx.doi.org/10.4028/www.scientific.net/amm.163.138.

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General CNC milling machine for special transformation in the middle and low numerical control system of internal control software does not change under the premise of achieving the original system does not have the linear movement and rotary movement of the operating linkage function. The numerical control system of linear movement into rotary movement of the operation, and expansion of two straight line linkage CNC system functions, cleverly converted to a straight line movement control of a rotary movement of the linkage, thereby achieving the surface of the cylinder rotating cam track surface CNC machining. CNC Milling through the difficult parts of the application examples to explain the design principles of transformation CNC milling machine, design approach,As well as the design parameters in the programming of data conversion. And data conversion processing errors resulting from the measures and the elimination of error analysis.

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Yang, Shang Wei, Shu Kun Cao, and Jia Jia. "Design of Five Axis Cooperation Machine Based on Motion Control Board." Applied Mechanics and Materials 300-301 (February 2013): 1463–66. http://dx.doi.org/10.4028/www.scientific.net/amm.300-301.1463.

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Abstract. PC-based open CNC system can fully take advantage of the computer's hardware and software resources, which can use a common high-level language: Visual C++ or Visual Basic to program. User can mix and use the standardized peripherals, application software flexibly, we use the self-developed five-axis CNC machine is experimental platform, which can develop open CNC system based on PC and motion control card. Using of five-axis machine motion control design based on "PC + motion control card" on Visual C++ platform.

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Wang, Yi Chen, and Yi Kun Wang. "Solution of Software Test of Computerized Numerical Control (CNC) Systems." Applied Mechanics and Materials 66-68 (July 2011): 1256–59. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.1256.

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Software has been used more and more widely in CNC systems, the defects caused by software among all defects of a CNC device have been higher and higher as well. How to diagnose the defects caused by software in CNC device fast and effectively is the topic of this paper. This paper talks about the features of embedded software first, and then introduces a proved method used in software test and defect diagnosis by using software system test platform. We’ll use an instance to elaborate on it. We’ll make a general summary of this method at the end of the paper.

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Ding, Jiang Min, Cong Cong Zhang, and Yu Liu. "Green Redesign of CKA6150 Numerical Control Lathe." Advanced Materials Research 705 (June 2013): 454–58. http://dx.doi.org/10.4028/www.scientific.net/amr.705.454.

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According to the basic principles of green redesign, CKA6150 CNC lathe is comprehensively analyzed and evaluated by the green degree evaluation model. The results show that the green redesign of the CKA6150 CNC lathe meets all the requirements of the green products. It not only meets the technical requirements of the product's features, performance and life and cost, but also reduces the effect on environment in the process of production, using and recycling.

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Ren, Wei Da, Qiang Cheng, and Li Gang Cai. "Detection and Compensation of Positioning Accuracy Based on the Laser Interferometer." Applied Mechanics and Materials 575 (June 2014): 529–32. http://dx.doi.org/10.4028/www.scientific.net/amm.575.529.

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The positioning accuracy of CNC machine tool is the best moving position accuracy which the machine tool can reach under the control of CNC control system. The principles of frequency laser interferometer measurement are described in this paper, and pitch error is compensated by taking DAHE V1500 CNC machine with FANUC system as example. The result shows that the precision of CNC machine tool is effectively improved.

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Huang, Min Gao. "The Restraining of Machine Vibration Based on the Optimized Servo Control." Applied Mechanics and Materials 184-185 (June 2012): 1592–94. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.1592.

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CNC machine controlled by closed-loop gains an increasing attention because of its accuracy, however the vibration occurs easily. The methods for the optimization of the servo control to eliminate CNC machine vibration are proposed in this essay.

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Zhang, Hai Yun, Yu Gang Zhao, Guo Yong Zhao, Yan Rong Li, and Zhong Wen Sima. "Research and Development on Miniature Teaching Computer Numerical Control Lathe Machine." Advanced Materials Research 328-330 (September 2011): 810–13. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.810.

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An open double coordinates computer numerical control (CNC) system was developed, which was based on PC and PMAC motion controller card. A miniature and teaching CNC lathe machine was developed with a simple structure, low cost, small volume and suitability for teaching. The CNC system had the advantages of 2-axis linkage, program editing, manual operation, inching operation, simulation processing operation, automatic operation and dynamic display of the tracing. The system was based on the Windows XP platform. Its interface was friendly and it was convenient to manipulate.

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M. Mankar, Amit, R. L. Shrivastava, and Jayant P. Giri. "Open Architecture Control for CNC System – An Approach." International Journal of Engineering & Technology 7, no. 4.5 (September 22, 2018): 155. http://dx.doi.org/10.14419/ijet.v7i4.5.20034.

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The Open Architecture concept is gaining more attention because of growing demand from end users. Numerical Control systems are limited in terms of portability because they are dependent on vendor-specific environment, to overcome this limitation Open Architecture Control was introduced. Open Architecture improves portability, interoperability, scalability and ability to reconfigure of an existing CNC machine. Open control system increases the flexibility of CNC machine by allowing vendor-neutral environment. Open Architecture Controller allows the end user to modify the existing system by integrating components from different manufacturers which reduce cost as well as increase extendibility of the system. In this review paper, different initiatives and developments on Open Architecture Controller are presented. This paper also covers the approaches made by researchers in the field of simulation of table movement in CNC machine.

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Agrisa, Herick Henci. "An Overview of process CNC Machining." Journal of Mechanical Science and Engineering 6, no. 2 (July 8, 2020): 029–33. http://dx.doi.org/10.36706/jmse.v6i2.32.

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This paper discusses the pre and process of running a computer numerical control machine (CNC) using computer-aided design (CAD) software commonly used to design products to be produced and computer-aided manufacture (CAM) software used to control machines during the manufacturing process. Some types of CNC machines in general, namely CNC lathe machine and CNC milling machine. The history of the development of the CNC Machine was begun in 1952 by John Pearseon of the Massachusetts Institute of Technology on behalf of the United States Air Force, which aims to make complicated special workpieces. In addition, this paper also discusses the basic numerical code types used in CNC machines.

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Yu, Bin Gao, Lin Shi, and Kun Qi Wang. "Optimization of Velocity Loop Parameters in CNC Servo System." Advanced Materials Research 411 (November 2011): 255–58. http://dx.doi.org/10.4028/www.scientific.net/amr.411.255.

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To optimizing efficiently control parameters in feed servo system for adequately giving out the CNC machine tools, the velocity loop control model is built, and the comprehensive evaluation function is given. The standard particle swarm algorithm is improved to optimizing the parameters of velocity loop control in CNC machine tools. It shows the best overall performance of the velocity loop in CNC machine tools that parameters optimized by improved particle swarm algorithm Compared with genetic algorithm, the standard particle swarm algorithm and handy calculation. This optimized algorithm is a new efficient ways to solve parameter optimization of CNC servo control system.

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Liu, Lisi, Yingxue Yao, and Jianjun Du. "A universal and scalable CNC interpreter for CNC systems." International Journal of Advanced Manufacturing Technology 103, no. 9-12 (May 28, 2019): 4453–66. http://dx.doi.org/10.1007/s00170-019-03913-w.

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Xie, Ou, Hua Li, and Zhen Yin. "Research of Precision CNC Internal Grinder Soft-PLC System Based on Embedded Technology." Advanced Materials Research 430-432 (January 2012): 1925–28. http://dx.doi.org/10.4028/www.scientific.net/amr.430-432.1925.

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According to the processing and control requirements of precision CNC internal grinder, a design of ARM-based embedded precision CNC internal grinder soft-PLC system was proposed. The design idea of open CNC system was introduced and the system hardware and software were packaged as the components to develop the PLC applications, achieved the logic control of the machine tool. This design meets the requirements of software design instead of hardware design and system integration development of embedded CNC system, achieved the real-time process control and improved the precision.

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Su, Dan. "Monitoring and Control System Design for Tool Wear Condition of CNC Machine Based on Artificial Neural Networks." Applied Mechanics and Materials 556-562 (May 2014): 3251–54. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.3251.

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Spindle wear of CNC machine affects the working efficiency of the machine. To solve this problem, the reasons for the generation of CNC machine tool equipment wear is analyzed, the system's hardware modules and software modules are designed and implemented in accordance with the system requirements. Parameters such as input and output power, spindle speed of CNC machine tool equipment are acquired by the sensor circuit. After a comprehensive analysis of the data, system software combined with neural network model displays the test results on the LCD screen, real-time output of CNC machine tool equipment operating status and the spindle wear. Thus the operation of CNC machine is ensured and equipment failure is avoided. Through the system test, indicating that the proposed system can real-time output the monitor results of spindle wear of CNC machine tool equipment, and has high measurement accuracy for the main parameters such as power and efficiency of the equipment.

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Ren, Zhong Wei, Ming Song, Lin Yang, and Yu Kun He. "Study of Open Numerical Control System Based on DMC Motion Controller." Applied Mechanics and Materials 220-223 (November 2012): 1107–10. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.1107.

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An open numerical control system was built based on DMC movement controller. The system was simple and practical for most common CNC machine tools transform. The open numerical control system was introduced, the hardware connection and user interface program were designed combined with CA6140 lathe. The constructed CNC system has general functions of CNC system, the jog and interpolated motion can be realized, and this open control system can reach the requirements of customer. The experiments indicate that the open numerical control system can be applied to other machine tools, it has certain efficiency and usability.

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