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Journal articles on the topic 'Thread cutters'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

MAZUR, M., and K. SOKOLAN. "CONSTRUCTIONAL DESIGN FEATURES OF MULTIPLE THREAD CUTTERS WITH MECHANICAL MOUNTING OF HARDMETAL DISPOSABLE TIPS." Herald of Khmelnytskyi National University. Technical sciences 283, no. 2 (2020): 261–64. https://doi.org/10.31891/2307-5732-2020-283-2-261-264.

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Recently, carbide cutter combs have become widespread in mechanical engineering. They are both monolithic and with mechanical fastening of special non-regrinding plastics. Working with a cutting speed of 100… 300 m / h, they increase productivity by reducing the number of teeth compared to cutters from the high-speed capital. Constructional design features of shank-type multiple thread cutters with mechanical mounting of hardmetal disposable tips are examined. Mounting parameters for disposable tips in instrument body frame, limitations in the values of face and tool back wedge angles, as a re

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2

Stankov, Nikolay, and Aleksandar Ivanov. "Analytical and Graphical Profiling of Thread-Milling Cutters for Forming Internal Threads." Applied Sciences 15, no. 13 (2025): 7308. https://doi.org/10.3390/app15137308.

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Accurate profiling of thread-milling cutters is one of the main prerequisites of high-precision internal thread production. Despite the accuracy of analytical methods, their complexity in most instances makes practical application an issue. The current research addresses a graphical profiling method, the Tangent Circles Method, introduced by the authors for the facilitation of thread-milling tool geometric design. Several thread-milling cutters were designed employing this method, and their working surface profiles were compared with those obtained analytically. The comparison showed a good ma

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3

Grechishnikov, Vladimir, Alexander Isaev, Mikhail Kozochkin, and Pyae Phyo Aung. "Analysis of Positioning Adjustment Approaches for Cutting Inserts of Thread Cutters." EPJ Web of Conferences 248 (2021): 04013. http://dx.doi.org/10.1051/epjconf/202124804013.

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The inclination angle of cutting inserts of thread cutters should be adjustable to provide the required geometry when machining threads. In serial production, this adjustment is realized by changing the carbide shims. In the present paper, the analysis of relationships between geometric parameters and positioning accuracy errors for thread cutters with inserts is presented.

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4

Merticaru, Vasile, Gheorghe Nagîț, Oana Dodun, et al. "Influence of Machining Conditions on Micro-Geometric Accuracy Elements of Complex Helical Surfaces Generated by Thread Whirling." Micromachines 13, no. 9 (2022): 1520. http://dx.doi.org/10.3390/mi13091520.

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Complex surfaces such as helical ones are commonly used in machinery. Such surfaces can be obtained by various machining processes, one of these processes being thread whirling. The influence of machining conditions needs to be better understood to develop a more precise prediction of the specific resulting errors involved in thread whirling. This paper firstly presents the theoretical conditions which generate micro-deviations on whirled surfaces. A theoretical model which considers the geometrical parameters describing the whirling head and cutters and the process’s whole kinematics was deve

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5

Глушко, Е. В., Н. Т. Морозова, Ю. Я. Фершалов, and О. С. Портнова. "Hob cutter shaping for internal straight thread." MORSKIE INTELLEKTUAL`NYE TEHNOLOGII), no. 2(52) (June 5, 2021): 60–63. http://dx.doi.org/10.37220/mit.2021.52.2.007.

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Резьба используется во многих механизмах и достаточно часто для разъемных соединений деталей судовых машин. Для повышения долговечности внутренней цилиндрической резьбы и производительности процесса ее нарезания предлагается новая методика «профилирования червячной фрезы для нарезания внутренней цилиндрической резьбы методом огибания. В данной статье приведено аналитическое определение сопряженных профилей цилиндрической внутренней резьбы и инструмента. Рассматривается метод профильных нормалей для профилирования червячной фрезы при нарезании внутренней резьбы способом огибания, основанный на

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6

Boldyrev, I. S. "Simulation of thread cutters with manufacturing errors." Russian Engineering Research 35, no. 5 (2015): 375–77. http://dx.doi.org/10.3103/s1068798x1505007x.

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7

Malkov, O. V., and M. A. Pandurov. "Comparative Analysis of the Accuracy of Milling Threads with Various Profiles." Proceedings of Higher Educational Institutions. Маchine Building, no. 7 (748) (June 2022): 3–15. http://dx.doi.org/10.18698/0536-1044-2022-7-3-15.

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The article considers the types of threads to be milled, as well as threads for which milling is not used, based on the analysis of the catalogs of manufacturers of thread cutters. To expand the scope of thread milling, a study of the accuracy of geometric shaping of internal threads of various profiles was made using a kinematic scheme with a parallel arrangement of thread and tool axes. On the basis of the geometric model of thread milling, a design scheme is presented and a program for shaping internal threads of various profiles is developed. Using the developed design experiment plan, a c

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8

A. Zh. Kassenov, A. Zh. Taskarina, A. V. Mazdubay, K. K. Abishev, and A. D. Suleimenov. "PROSPECTS FOR THE USE OF COMBINED METAL-CUTTING TOOLS FOR THREADING." Science and Technology of Kazakhstan, no. 3.2024 (September 30, 2024): 43–51. http://dx.doi.org/10.48081/gdyk4546.

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This article examines the use of combined metal-cutting tools for performing threading operations. The main purpose of the work is to analyze the effectiveness of using these tools in terms of improving accuracy, productivity and cost-effectiveness of processing. Combined tools show significant advantages over traditional methods, including reduced processing time, improved accuracy characteristics and reduced equipment maintenance costs. The design features and principles of operation of boring threaded cutters and threaded combs, as well as their impact on production processes and the qualit

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9

Yamnikov, A. S., A. O. Chuprikov, and A. I. Khar’kov. "Strengthening Chamfer at the Rear Surface of Ceramic Thread Cutters." Russian Engineering Research 38, no. 1 (2018): 40–43. http://dx.doi.org/10.3103/s1068798x18010173.

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10

Savilov, A. V., A. S. Pyatykh, and S. A. Timofeev. "Analysis of advanced transpedicular screw machining technologies." Proceedings of Irkutsk State Technical University 24, no. 6 (2021): 1190–98. http://dx.doi.org/10.21285/1814-3520-2020-6-1190-1198.

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Abstract: The purpose is to improve the machining efficiency of titanium alloy transpedicular screws on highperformance machine-tools based on the selection of advanced technological approaches, and to analyze the current manufacturing technology of implants on CNC machines of the semi-automatic longitudinal turning lathe type. The efficiency is assessed using the following criteria: process performance determined by the machine time and the quality of implant processing (surface roughness, geometric accuracy, mechanical properties). It is found that semi -automatic longitudinal lathes equippe

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11

Ямников, Александр, Aleksandr Yamnikov, Дмитрий Волков, and Dmitry Volkov. "Cutting procedure modification in hob cutters for multiple-thread spiral projection shaping on mandrel." Science intensive technologies in mechanical engineering 2018, no. 2 (2019): 16–21. http://dx.doi.org/10.30987/article_5c486cc3f241a5.46542352.

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An efficient technology for helical groove shaping on inner cylindrical surfaces with the use of a pressing operation through a ring matrix on a spiral press mandrel is described. There are presented investigations and offers are given to update spiral projection gear milling in mandrels with the aid of milling cutters with a modified cutting procedure.

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12

Wada, Tadahiro, and Koji Iwamoto. "Tool Wear of Titanium/Tungsten/Silicon/Aluminum- Based-Coated Solid Carbide Thread Milling Cutters in Thread Tapping of Chromium-Molybdenum Steel." International Journal of Engineering and Technology 7, no. 6 (2015): 445–48. http://dx.doi.org/10.7763/ijet.2015.v7.834.

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13

Ямников, Александр, Aleksandr Yamnikov, Дмитрий Волков, and Dmitry Volkov. "Impact of cutting face profile angle upon shear deformation degree." Science intensive technologies in mechanical engineering 2, no. 6 (2017): 14–20. http://dx.doi.org/10.12737/article_5928313a1d2191.50016044.

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It is established that cutting with gear-cutting and thread-cutting tools is not free that results in the increase of loading upon tool tips and their quick wear. The layers of metal cut are subjected to considerable shear deformation and also to other kinds of deformation. In this connection the wear character of a tool and its properties will change. There is considered a process of chip removal by trapezoidal and triangular cutters (as in case of metal cutting off with teeth of a hob may be used not three but two tool tips) and the impact of a cutting face profile angle upon a shear deforma

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14

Kudriashov, Evgeniy, and Tatyana Kameneva. "Increase of Efficiency of the Internally Cutting Mill with Composite Cutters when Cutting Trapezoidal Thread with Interrupted Elements." Metal Working and Material Science 20, no. 1 (2018): 33–43. http://dx.doi.org/10.17212/1994-6309-2018-20.1-33-43.

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15

Zhang, Bao Guo. "Discussion on Processing Technology of Small Modulus Involute Spline." Advanced Materials Research 510 (April 2012): 59–63. http://dx.doi.org/10.4028/www.scientific.net/amr.510.59.

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Spline shaft is widely used as one of the important parts in machinery, It is complex in manufacturing process, its appearance quality and size precision and the comprehensive mechanical performance requirements of high. Small modulus involute spline rolling technology has many advantages, Can reduce the cost, improve quality and The use of reliable.Cold rolling process is currently the main processing mode for small module splines, but the special machine is too expensive.This article describes how to achieve a small modulus spline cold rubbing process by transforming an existing thread rolli

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16

Vyas, Kunj N., and Mehul I. Solanki. "Penile strangulation by a metal ring: an easy and unique thread method for removal of the ring." International Surgery Journal 6, no. 2 (2019): 623. http://dx.doi.org/10.18203/2349-2902.isj20190418.

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Penile incarceration is a rare but serious problem. Rapid treatment is necessary to prevent penile infarction. Glass bottles, metal rings, steel nuts and bull rings have been reported as constricting agents. Depending on the type of material, various tools such as diamond drills, bolt cutters and glass saws have been used to remove the objects. Penile strangulation by metal ring is a rare surgical emergency situation which requires urgent intervention to avoid vascular and urethral injury. It is usually associated with an attempt to improve sexual act and/or to prolong erection, psychosexual d

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17

Landar, Serhii, Andrii Velychkovych, and Vasyl Mykhailiuk. "Numerical and analytical models of the mechanism of torque and axial load transmission in a shock absorber for drilling oil, gas and geothermal wells." Engineering Solid Mechanics 12, no. 3 (2024): 207–20. http://dx.doi.org/10.5267/j.esm.2024.3.002.

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The paper proposes an improved design of a shock absorber used in drilling deep oil and gas and geothermal wells with polycrystalline diamond compact (PDC) bits. The proposed innovations successfully combat the dangerous phenomenon of self-excited vibrations, which can lead to malfunctions such as stick-slip and whirling of the drilling tool. Most conventional drill shock absorbers are designed to only absorb longitudinal vibrations, which was sufficient when using roller cutter bits for the drilling process. However, the design features of PDC bits and the phenomenon of interaction of their c

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18

Popikov, Petr, and Anton Pozdnyakov. "MATHEMATICAL MODEL OF THE INTERACTION OF THE SCREW WORKING BODIES OF FOREST FIRE GROUND-THROWING MACHINES WITH THE GROUND COVER." Forestry Engineering Journal 11, no. 1 (2021): 163–71. http://dx.doi.org/10.34220/issn.2222-7962/2021.1/15.

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The paper provides an overview of research on the working processes of screw working bodies of technological machines. It is noted that at present such important issues in the theory of auger working bodies as the required number of auger turns, the required position of the auger spiral in relation to the center, etc. have not been fully resolved, since the solution of these issues can provide an increased productivity of the tool. A structural and technological scheme of a forest fire machine with multifunctional modules is proposed, which consists of auger working bodies, which can be change

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19

Zhao, Jian, Xue Wu Hong, Ming Yu, Zhi Peng Gao, and Wen Jin Wang. "Weak-Points Diagnosis and Optimization of Shield Machine Cutter Tool Based on Characteristic Parameters." Key Engineering Materials 693 (May 2016): 1479–85. http://dx.doi.org/10.4028/www.scientific.net/kem.693.1479.

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Shield machine plays an indispensable role in the mining, transportation, underground engineering, hydraulic engineering and municipal construction. Shield cutters of shield construction process often appears serious deformation, damage that leads to engineering accident, or even a threat to human life and safety. In order to provide high precise data for shield machine cutter tool dynamic modification and to diagnose the shield machine cutter tool fault, the dynamic characteristic of the shield machine cutter tool system, which is the main component of a shield machine cutter tool, has to be

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20

Malkov, O. V. "Method of the internal threads profiling at milling." Proceedings of Higher Educational Institutions. Маchine Building, no. 7 (760) (July 2023): 22–34. http://dx.doi.org/10.18698/0536-1044-2023-7-22-34.

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Analysis of the works devoted to thread milling showed that milling of the threads with a special profile differing from the metric profile was not sufficiently studied. Based on data of the existing threads profile analysis, the paper proposes a generalized profiling scheme using the example of a round thread. The theory of envelopes of the cutting tool positions family makes it possible to analyze the shape of the resulting thread profile and the cutting tool profiling in shaping with a kinematic scheme of thread milling with the parallel thread and tool axes. Mathematical expressions are pr

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21

Saikin, S. A., A. A. Koryazhkin, and E. V. Tsvetkov. "A MATHEMATICAL MODEL OF THE DEFORMATION OF A THREAD CUTTER." Spravochnik. Inzhenernyi zhurnal, no. 330 (September 2024): 50–55. https://doi.org/10.14489/hb.2024.09.pp.050-055.

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CNC milling machines are used in the blade processing of aircraft parts, which are often not rotating bodies. These parts are made of hard-to-process materials and have holes with metric threads with diameters from 4 mm to 16 mm, manufactured according to 5...6 quality. Thread milling is widely used to ensure comprehensive thread processing on CNC machines. One of the key problems is to ensure the accuracy and productivity of processing, to avoid tool breakage in case of excessive deformation. Tool deformation has a significant impact on the cutting depth and strength, process dynamics, accura

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22

Данилова, Л. М., та Д. В. Артем’єв. "Розрахунок похибки оброблення різьби фрезеруванням". Інновації молоді в машинобудуванні, № 3 (2 червня 2021): 402–6. http://dx.doi.org/10.20535/2708-3926.2021.3.229662.

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Механічне оброблення гвинтової поверхні (шліфування або фрезерування) - це широко розповсюджений процес, що виконується дисковими або осьовимирізальними інструментами, по відтворюють рух по гвинтовій траєкторії. При фрезеруванні різьби різьбовий профіль фрези має бути відмінним від профіля різьби через гвинтовий рух інструмента і тому, що витки фрези є кільцевими. Для розрахунку параметрів інструментального профілю (параметріи його корекції) спочатку розраховуються параметри отриманого різьбового профілю на основі заданого інструментального, далі використовується методологія проектування профі

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23

Malkov, O. V., та I. D. Lagoysky. "Analysis of the technological and kinematic possibility in shaping buttress thread with the general position сutter". Proceedings of Higher Educational Institutions. Маchine Building, № 1 (754) (січень 2023): 21–32. http://dx.doi.org/10.18698/0536-1044-2023-1-21-32.

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The paper proposes new kinematic methods in shaping external and internal buttress thread by milling with a single-disk tool according to the scheme with crossing axes of the thread and the general position tool using two angles of its rotation. The range of the thrust threads standard sizes was established, which implied technological possibility of milling using the proposed kinematic methods with one tool standard size. Accuracy of the buttress thread according to GOST 10177-82 was studied on the basis of geometric simulation of shaping kinematics, and values of the maximum geometric error

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24

Trubachev, Evgeniy, and Kirill Bogdanov. "New possibilities of worm thread machining and practice of implementation." MATEC Web of Conferences 317 (2020): 05003. http://dx.doi.org/10.1051/matecconf/202031705003.

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Thread grinding is the traditional operation of final machining for worms and other critical threads. However, similar to other types of tooth grinding, this type of machining is expensive; it requires application of high cost equipment and needs valuable workers. In many practical cases, its alternative can be the application of edge machining, especially as the possibilities of controlling the corresponding advanced machine-tools and their accuracy have been increased significantly. This paper describes the experience of implementation of edge machining of worm threads within a low-series pr

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25

Setyaningrum, Ratih, Miftakhul Ulum, and Tita Talitha. "Redesain Alat Pemotong Singkong Menggunakan Metode Rasional Guna Meningkatkan Produktivitas." Jurnal Sistem Teknik Industri 22, no. 1 (2020): 52–62. http://dx.doi.org/10.32734/jsti.v22i1.3255.

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Cassava chips are a daily staple food for the community, cassava chips have a distinctive form that has never been changed since the first time they were made, namely a circular flat with a crispy texture. Cassava chips are food products made from cassava which have been known for a long time in Indonesia, cassava chips are also widely favored by the Indonesian people because they have a delicious, nutritious taste and the price is also affordable. Based on observations at SMEs know in the village of Manggar, Sluke District, Rembang Regency. It is known that the process of making cassava chips

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26

Lee, Seok Won, and Andreas Nestler. "Simulation-aided Design of Thread Milling Cutter." Procedia CIRP 1 (2012): 120–25. http://dx.doi.org/10.1016/j.procir.2012.04.019.

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27

Mustafayev, Amir G., and Chingiz R. Nasirov. "The advantage of composite materials used in downhole cutting tools." Nafta-Gaz 80, no. 1 (2024): 19–29. http://dx.doi.org/10.18668/ng.2024.01.03.

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One of the important reserves for the growth of oil and gas production is the acceleration of emergency recovery work in production and exploration wells at minimal cost. A significant amount of work in downhole conditions is performed using downhole destructive and cutting tools. Each oil and gas producing country annually uses more than 100 standard sizes, thousands of cutting tool sets: downhole, annular, combined, pilot, internal and external pipe cutters, as well as reamers for cutting side “windows” in production strings. Therefore, the need for them is growing significantly every year.

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28

Onysko, O., V. Kopei, C. Barz, Z. Erdei, and V. Rodic. "Influence of end cutting edge angle of a multi-point lathe cutter on the thread profile accuracy. Theoretical investigation." Journal of Physics: Conference Series 2540, no. 1 (2023): 012034. http://dx.doi.org/10.1088/1742-6596/2540/1/012034.

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Abstract Modern manufacturers of tools for turning threads make them with a non-zero value of the side rake angle of the cutting edge, which significantly increases their efficiency. The value of this angle is approximately equal to the thread lead angle. However, today there is a lack of theoretical research that would provide an algorithm for calculating the effect of the side rake angle of the cutting edge on one of the indicators of the thread accuracy - the accuracy of the pitch diameter. Its effect is particularly noticeable for thread with a large pitch and relatively small diameter - s

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29

Kolesov, N. V., and E. V. Bulygin. "Influence of cutter geometry on the thread precision." Russian Engineering Research 31, no. 8 (2011): 757–58. http://dx.doi.org/10.3103/s1068798x11080119.

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30

Ajit, Singh Shekhawat, Kumar Nikesh, and Yadav |. Siddharth Tyagi |. Arun Pratap Singh Roopal. "Smart Solar Grass Cutter Robot." International Journal of Trend in Scientific Research and Development 3, no. 3 (2019): 1479–81. https://doi.org/10.31142/ijtsrd23320.

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Today, we know that solar energy is a renewable source of energy. And the fossils fuel may not be available in the future and it also pollutes to our environment. So we have to use, one of the most promising source of energy where everyone focusing on the concept of solar power and its utilization. Smartly grass cutting robot detects obstacles by the ultrasonic sensor with servo in wide range for avoiding obstacles without any need of human interaction. All the motors, sensors and cutting operation are automatically controlled by the Arduino and manually by Bluetooth module. And the cutting op

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31

Глушко, Е. В., О. В. Арестов, and Ю. Я. Фершалов. "Facetting value of helical thread surface received by enveloping." MORSKIE INTELLEKTUAL`NYE TEHNOLOGII)</msg>, no. 4(54) (December 2, 2021): 35–38. http://dx.doi.org/10.37220/mit.2021.54.4.086.

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В морской технике применяются различные резьбовые соединения. Детали судовых механизмов подвергаются в процессе работы вибрациям и переменным нагрузкам, которые приводят их к разрушениям, потере герметичности и к внеплановым остановкам судовых машин.. Для повышения эксплуатационных свойств и увеличения срока службы резьбовых соединений проводят анализ качества сопрягаемых поверхностей, в частности, параметров шероховатости. В предлагаемой статье исследуется величина огранки винтовой поверхности резьбы образующаяся при осуществлении нового метода изготовления резьбы огибанием. Процесс обработки

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32

Li, Kang, Li Jiang, and Ming Chen. "Experimental Study on the Influence of Cutting Parameters on Thread Precision of External Thread Turning." Materials Science Forum 770 (October 2013): 7–12. http://dx.doi.org/10.4028/www.scientific.net/msf.770.7.

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External thread turning is a complex 3-D process in which the cutting conditions vary over the thread cutter profile. There are a lot of factors that affect the thread precision. This paper focuses on the influences of the lubrication method, cutting speed and the number of passes on the thread precision. Several stainless steel turning tests were conducted. The results showed that lubrication method was the most important factor that affected the thread precision, while the number of passes was the least important one. MQL (Minimum Quantity Lubrication) could reach the effect corresponding to

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33

Song, Zhi Dong. "Research of Machine Tap." Advanced Materials Research 971-973 (June 2014): 654–57. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.654.

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The tapping cutter bar is developed to replace the manual tapping of internal thread to obtain machining accuracy and efficiency for large batch of machining internal thread of small diameter, which is a tapping tool for machine use featuring economic and practical as well as helping to solve the problems of low efficiency, inferior accuracy and easy-breaking of tappers.

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Yoshida, Yoshitaroh, Muneharu Morozumi, Satoshi Kishi, and Masayuki Saitoh. "Design System for Thread Rotary Cutter profile in Consideration of Interference. (1st Report, Method to Obtain Profile of Rotary Cutter Which Cuts a Given Screw Thread Surface)." Transactions of the Japan Society of Mechanical Engineers Series C 61, no. 582 (1995): 484–91. http://dx.doi.org/10.1299/kikaic.61.484.

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35

Yamnikov, A. S., A. O. Chuprikov, and O. A. Yamnikova. "Numerical Simulation of Stress on Threaded Cutters with Ceramic Inserts." Journal of Machinery Manufacture and Reliability 49, no. 10 (2020): 848–53. http://dx.doi.org/10.3103/s105261882010012x.

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Yoshida, Yoshitaroh, Muneharu Morozumi, Satoshi Kishi, and Masayuki Saitoh. "Design System for Thread Rotary Cutter Profile in Consideration of Interference. 2nd Report. Method to Obtain Profile of Screw Thread Surface Which is Cut Using a Given Rotary Cutter." Transactions of the Japan Society of Mechanical Engineers Series C 61, no. 585 (1995): 2113–20. http://dx.doi.org/10.1299/kikaic.61.2113.

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37

Yakym, R. S., and D. Yu Petryna. "Analysis of Causes and Preventing Ways of Early Workability Loss of Three-Cone Rock Bit Cutters." METALLOFIZIKA I NOVEISHIE TEKHNOLOGII 42, no. 5 (2020): 731–51. http://dx.doi.org/10.15407/mfint.42.05.0731.

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38

Ulbricht, V., J. Franeck, F. Schirmacher, and P. Offermann. "NUMERICAL INVESTIGATIONS FOR CUTTING OF WIRES AND THREADS." AUTEX Research Journal 3, no. 1 (2003): 9–15. http://dx.doi.org/10.1515/aut-2003-030102.

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Abstract Strengthening threads or strings are incorporated in technical textiles for example to protect against vandalism. Among other things, the resistance to mechanical destruction (e.g. cut) depends on the material, the cross-section of the strengthening threads and the support points in the base fabric. An essential criterion for durability is the maximum size of the cutting force, which increases with the decrease in the span. In preceding investigations with spring steel wire, it was shown that an optimum apparently exists for this span. The purpose of the investigations was the develop

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Malkov, O. V., and I. A. Pavlyuchenkov. "Relieving of Thread Milling Cutter Teeth Using a Grinding Wheel with a General Position Axis." Russian Engineering Research 45, no. 2 (2025): 205–13. https://doi.org/10.3103/s1068798x24703805.

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Pujono, Pujono, and Istofa Rifqy Widya Fauzi. "RANCANG BANGUN MESIN SENAI UNTUK ULIR M11." Infotekmesin 9, no. 02 (2019): 53–60. http://dx.doi.org/10.35970/infotekmesin.v9i02.11.

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Bolting machine is a machine which is designed to conduct the making process of outside thread without rotating the handlebar of workpiece using hand manually, Therefore, the machine can help the processing in some industries which do not have qualified operators. The purpose of the designing and calculating of machine elements on senai machineis to create a design and make it in real product that can create outside thread with the maximum size of M11, to calculate parts of machine elements, i.e. axis diameter and sprocket chain and to create the real machine product. The designing method used

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Nemeša, Ineta. "Blindstitch machines for men suit manufacturing: Part 1." Tekstilna industrija 69, no. 2 (2021): 34–39. http://dx.doi.org/10.5937/tekstind2102034n.

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Garment industry has developed different kind of machinery which replaces traditional manual blindstitchig techniques to ensure much higher work productivity. Many companies produce universal and specialized blindstitch machines for men suit manufacturing. To create invisible stitches of class 100 and 300, blind stitch machine uses a curved needle. The machines perform 1:1, 1:2 and 1:3.stitch pattern. The advanced machines secure the end of the seam creating invisible thread knot or forming several spot/tack stitches. The machines use to have automatic thread cutter, presser foot lifter and ne

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Cella, Mateus Cassol, Valmir Werner, Catize Brandelero, et al. "Hand-arm vibration while operating a side brush cutter with three cutting implements in two crops." Revista Engenharia na Agricultura - REVENG 30 (September 5, 2022): 294–302. http://dx.doi.org/10.13083/reveng.v30i1.14115.

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The use of side brushcutters exposes users to vibration and noise, which can cause damage to the operator, as they act as a stressor agent. Excessive vibration is responsible for countless disorders, including Raynaud’s syndrome. This study aimed to assess the effect of the vibrations of a side brush cutter on the human body. A side brush cutter was used with three cutting implements (double blade, triple blade and double nylon thread) applied to two crops (wheat and ryegrass). The vibration was measured through a three-dimensional accelerometer placed on the handgrips of the brush cutter, in

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Onysko, Oleh, Volodymyr Kopei, Iulia Medvid, Vitalii Panchuk, Lolita Pituley, and Viktor Vryukalo. "Analytical investigations of the accuracy of the small diameter tool-joint tapered thread made by a lathe machining." New Trends in Production Engineering 2, no. 1 (2019): 268–76. http://dx.doi.org/10.2478/ntpe-2019-0028.

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Abstract The drill string consists of connected drill pipes and other elements. The connection is carried out by screwing of the drill string elements with the help of tool-joint tapered thread. The operational characteristics of the drill pipes depend of the manufacture precision of these tool-joints mostly. The accuracy of the thread is regulated by the accuracy of its profile and the accuracy of its pitch diameter value. The accuracy of the tapered thread manufacturing on the lathe in its depending on the values of the geometric parameters of the lathe tool and the values of deviations of i

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Volodymyr, Kalchenko, Kalchenko Vitalіy, Sira Nataliіa, Kuzhelnyi Yaroslav, and Vynnyk Volodymyr. "RESEARCH OF THE MILLING PROCESS OF A CYLINDRICAL SURFACE BY AN ORIENTED INSTRUMENT." TECHNOLOGY AUDIT AND PRODUCTION RESERVES 3, no. 1(53) (2020): 16–18. https://doi.org/10.15587/2706-5448.2020.202793.

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<em>The object of research is the milling process with the crossed axes of the cylindrical surface and the tool. During the research, general modular three-dimensional models of the tool surface, the processes of removing the allowance and the shaping of the cylindrical surface are used on the basis of three unified modules: tool, shaping and orientation. Computer simulation is also used to build a three-dimensional model of the milling process of a cylindrical surface with an oriented tool. A graphic scheme of milling a cylindrical surface with an oriented tool has been created. The developed

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Hałys, Piotr, and Piotr Kowalczyk. "Military technology in mine rescue." Scientific Journal of the Military University of Land Forces 199, no. 1 (2021): 178–97. http://dx.doi.org/10.5604/01.3001.0014.8119.

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The sense of security is an individual’s one-sided personal expression referring to one’s awareness of existing threats and potential possibilities of their prevention. Thus we can observe a permanent development of technologies developed to meet the needs of military operations aimed at neutralizing threats related to explosives of military origin, as well as any improvised explosive devices. Threats are the events that adversely affect life, health, property or the environment, therefore, the mentioned technologies can be used in the civilian market as well. This article presents military sy

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Morais Júnior, Vicente Toledo Machado de, Laércio Antônio Gonçalves Jacovine, Mateus Comine Frades da Silva, et al. "TREE SPECIES SUSCEPTIBILITY TO LEAF-CUTTING ANTS ATTACK IN CARBON NEUTRALIZATION PLANTATIONS." Nativa 9, no. 5 (2021): 567–72. http://dx.doi.org/10.31413/nativa.v9i5.12536.

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Greenhouse gas (GHG) emissions neutralize planting are one of the options for climate changes mitigating. Leaf-cutter ants attack is a threat to the plantations proper development. Ants have selective foraging, which makes it important to know this selectivity and, thus, choose more suitable species to neutralization planting compose. Thus, the goal of the present study was to evaluate the tree species susceptibility to be attacked by leaf-cutter ants in carbon neutralization plantations. The study was carried out in mixed plantations in Viçosa-MG and a classification was created for the prese

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Dong, Liangliang, Jing Wang, Xiaohua Zhu, Shengwei Zhang, Tian Li, and Kun Li. "Study on the law of wear of milling cutter for Waspaloy internal threads with a small diameter." International Journal of Advanced Manufacturing Technology 107, no. 3-4 (2020): 1327–36. http://dx.doi.org/10.1007/s00170-020-05059-6.

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Samotygin, S. S., O. A. Khrystenko, and V. I. Ivanov. "Structure and properties of the modified processing zone of plazma treatment of threaded cutters with solid alloys plates." Reporter of the Priazovskyi State Technical University. Section: Technical sciences, no. 36 (September 25, 2018): 128–34. http://dx.doi.org/10.31498/2225-6733.36.2018.142534.

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Rodrigues Neto, Elidio, Pedro Henrique Ribeiro Arantes, Marcelo Guerino Pereira Couto, Nasser Hussein Fares, and Mario Pereira Couto Neto. "Estabilidade primária do implante dental." Full Dentistry in Science 12, no. 45 (2020): 67–71. http://dx.doi.org/10.24077/2020;1245-6771.

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Primary stability derives mainly from mechanical involvement with the cortical bone and the lack of mobility in the bone bed at the insertion of the implant and depends on the quantity and quality of the bone, the surgical technique, and the design of the implant. The titles were captured in the database PubMed, Scielo, and relevant Brazilian magazines to identify the primary stability, after the insertion of the implant in the region indicated in the protocol. Tapered implants showed greater primary stability compared to cylindrical implants, when placed under bone density conditions. The geo

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Han, Zhenyu, Hongyu Jin, Maoyue Li, and Hongya Fu. "An Open Modular Architecture Controller Based Online Chatter Suppression System for CNC Milling." Mathematical Problems in Engineering 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/985837.

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In milling processes, chatter is a kind of sudden relative vibration appearing between the cutter and the workpiece, which results in poor part quality, accelerated tool wear, and shortened spindle life. In this paper, an open modular architecture controller (OMAC) of machine tool which integrates the algorithms including chatter recognition, compensation command generation, and execution is proposed with the aim of providing an integrated solution for milling chatter suppression in CNC kernel. To effectively identify chatter, experiments are designed to determine the optimal installation plac

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