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Journal articles on the topic 'Rotary machine'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

M. Brandao, Iago, and Cesar da Costa. "FAULT DIAGNOSIS OF ROTARY MACHINES USING MACHINE LEARNING." Eletrônica de Potência 27, no. 03 (2022): 1–8. http://dx.doi.org/10.18618/rep.2022.3.0013.

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2

Rote, Ajinkya M., Aishwarya S. Harode, Diksha B. Chaware, Shivani P. Chavhan, Mohit K. Katole, and Roshan R. More. "Automated Pressing Machine." International Journal for Research in Applied Science and Engineering Technology 10, no. 5 (2022): 1562–66. http://dx.doi.org/10.22214/ijraset.2022.42518.

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Abstract: The paper presents the development of a automatic operated compress which encompasses the design, fabrication and performance evaluation of the press. The components parts of the machine were designed using various design equations. The design results were used to select materials for various components. The detailed drawing of the developed machine was done using solid works software. In fabricating the machine, mild steel was used as the locally sourced material. The use of mild steel is due to the fact that its strength, rigidity and machinability falls within the design specifica

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3

Dassanayake, K. M. Muditha, and Masaomi Tsutsumi. "High Performance Rotary Table for Machine Tool Applications." International Journal of Automation Technology 3, no. 3 (2009): 343–47. http://dx.doi.org/10.20965/ijat.2009.p0343.

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The high performance rotary tables are immense necessary part for the multi-axis machines. These rotary tables are yet in the developing stage. In this report, a rotary table driven by roller drive is introduced and the characteristics of that are discussed by comparing them with the characteristics of rotary table driven by worm gear mechanism. As the characteristics, the positioning accuracy and repeatability, frequency response, rotational fluctuations and influence of unbalance mass on motion are measured. According to the measured results, it can be said that the rotary table driven by ro

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4

., Kholistianingsih, Isr'a Nuur Darmawan, and Kevin Sabastian Valentino. "ANALISIS FAILURE PADA VENEER ROTARY MACHINE DI CV. KARYA PURABAYA CILONGOK KABUPATEN BANYUMAS." Teodolita: Media Komunkasi Ilmiah di Bidang Teknik 24, no. 1 (2023): 12–22. http://dx.doi.org/10.53810/jt.v24i1.472.

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Abstrak CV.Karya Purabaya merupakan perusahaan pengolahan kayu lapis (plywood). Rotary machine adalah salah satu mesin yang sangat berpotensi mengalami kegagalan produksi. Kerusakan pada instrumentasi rotary machine biasa disebabkan oleh komponen dari instrumentasi rotary machine itu sendiri. Pada tahun 2021 Rotary Machine mengalami kerusakan sebanyak 65 kali. Tujuan penelitian ialah melakukan identifikasi masalah, studi literature, pengumpulan data, pengolahan data, analisa pemecahan masalah, analisa FMEA, penentuan tindakan, penilaian keandalan, diagram pareto, kesimpulan dan saran. Be

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Tumanggor, Agustina, Joko Purnomo, and Muhammad Rizki. "The Reliability Analysis of Rotary Klin A." International Journal of Engineering Technology and Natural Sciences 2, no. 2 (2021): 70–76. http://dx.doi.org/10.46923/ijets.v2i2.80.

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XYZ is a company engaged in the production of iron ore into semi-finished products (Iron Reduction). The machine company has a very important and vital role to support the production process. Rotary Kiln is a place where iron ore reduction occurs, the result of which is called an iron reduction kiln or commonly known as sponge iron. By looking at the constraints at PT. XYZ on its production machines often breakdowns, which is a fundamental reason for researchers to increase the reliability level of the rotary kiln b PT XYZ production machine. XYZ. The research was carried out on the Rotary Kil

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Prodan, Dan, Anca Bucuresteanu, Tiberiu Dobrescu, and Adrian Motomancea. "Rotary Tables for Machine Tools." Applied Mechanics and Materials 841 (June 2016): 168–72. http://dx.doi.org/10.4028/www.scientific.net/amm.841.168.

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In this paper the authors present some theoretical and experimental research carried out during the manufacture of a rotary table for CNC machine-tools AF type. There are shown the calculation methods in static and dynamic conditions for the indexable rotary tables and also for those that operate as numerically controlled “B” axes. The calculation methods were tested by manufacturing several such tables intended for the machines belonging to AF(P)100-180 range.

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Cherepanov, Anatoliy. "EJECTOR SHAFT SEAL OF THE ROTARY MACHINE." Scientific Papers Collection of the Angarsk State Technical University 2024, no. 1 (2024): 160–63. http://dx.doi.org/10.36629/2686-7788-2024-1-160-163.

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The analysis of designs and the principle of operation of contactless ejector shaft seals of rotary machines, fans, aerodynamic heating furnaces, blowers, turbochargers of gas pumping units and other injection machines is considered. A new type of non-contact ejector seal is shown, which in-creases its efficiency when changing the direction of rotation of the shaft and eliminates friction and sparking between sealing surfaces during operation of a rotary machine

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Panov, Andrey, Maxim Mosyakov, Stepan Semichev, Valery Plyaka, Nikolay Lylin, and Mikhail Mekhedov. "Comparative tests of ridging cultivators with active and passive working tools." E3S Web of Conferences 264 (2021): 04017. http://dx.doi.org/10.1051/e3sconf/202126404017.

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Two types of ridging cultivators for growing potatoes and other vegetables were designed and tested. The first machine GPK-2 has active working tools – rotary drum with straight cutters, passive sweeps on rigid tines, and plates forming ridges. The second machine GD-2 has only passive drought working tools: spring S-shaped tines with sweeps of two forms, disks, and plates forming ridges. Field tests were carried out to determine soil preparation quality and energy consumption indicators of both machines on loamy soils typical for the non-chernozem zone of the Russian Federation. It is advisabl

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SUSHMA, Dr I. S. PHANI. "Moterised Circular Cum Reciprocating Hacksaw Machine." INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 04 (2025): 1–9. https://doi.org/10.55041/ijsrem44958.

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The reciprocating cum rotary hacksaw cutting machine is a versatile cutting machine ,where we can perform reciprocating cum rotary cuttings at a time. This machine integrates both reciprocating and rotary cutting applications across a range of metals and materials by using Beam engine mechanism. The reciprocating movement of the saw blade obtains from end of crankshaft ensures precise linear cuts, as the rotary cutting saw is directly connected to motorshaft this rotary action increases cutting speed and effectiveness, applicable for heavy-duty tasks. Its modern design allows the Machine to ac

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10

Yeh, Syh-Shiuh, and Zhi-Hong Liu. "Robust Driving Control Design for Precise Positional Motions of Permanent Magnet Synchronous Motor Driven Rotary Machines with Position-Dependent Periodic Disturbances." Machines 12, no. 11 (2024): 771. http://dx.doi.org/10.3390/machines12110771.

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Position-dependent periodic disturbances often limit the accuracy and smoothness of the positional motion of permanent magnet synchronous motor (PMSM)-driven rotary machines. Because the period of these disturbances varies with the motion velocity of the rotary machine, spatial domain control methods such as spatial iterative learning control (SILC) and spatial repetitive control (SRC) have been proposed and applied to improve rotary machine motion control designs. However, problems with learning period convergence and rotary machine dynamics significantly affect transient motion, further cons

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11

Казаков, V. Kazakov, Казаков, and I. Kazakov. "Analytical study of the work process of the rotary tillage machine in nurseries." Forestry Engineering Journal 4, no. 3 (2014): 246–55. http://dx.doi.org/10.12737/6297.

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The results of analyzes of the work process of the rotary tillage machine for further processing of the soil in forest nurseries are presented in the article. The features of the process performed by the rotary engine, as well as the forces acting on the working bodies are considered. The analysis of the geometric parameters of working bodies and their operation modes are given. The conditions required for stable operation of rotary tillage machines and good quality soil loosening is defined. It is noted that the results obtained are used in the development of rotary machine, driveless МРБ-1.6

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Shi, Lei, Chun Dong Zhu, Xin Liu, and Yi Zhang. "Optimum design of the double roll rotary forging machine frame." Mechanical Sciences 11, no. 1 (2020): 101–14. http://dx.doi.org/10.5194/ms-11-101-2020.

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Abstract. The equipment to realize the rotary forging technology is called the rotary forging machine. Compared with the common forging equipment, machine frame will bear a large torsion force in the working process, and the load in the forming process will eventually act on the rotary forging machine frame, and cause it to deform, thus affecting the rolling situation of the workpiece. Therefore, good frame performance is the premise to achieve stable rotary forging. The good performance of the frame is closely related to the structural design and structural optimization. However, at present,

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Yuniar, Sri Suci, Hendro Prassetiyo, and Shafa Aurellia. "Improvement Of Maggot Drying Machine Using the Verein Deutsche Ingenieuer (VDI) 2222 Method." E3S Web of Conferences 484 (2024): 01013. http://dx.doi.org/10.1051/e3sconf/202448401013.

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Maggots are the larvae of Black Soldier Flies (BSF) that consume organic waste and offer various benefits, one of which is using dried maggots as livestock feed, such as poultry and fish. Currently, maggots are dried using manual methods involving stoves and kettles, microwaves, and rotary maggot drying machines. However, each of these three methods has its own shortcomings. There is a need for the redesign of an effective and efficient maggot drying machine that produces high-quality maggots. The designed maggot drying machine combines principles of both rotary and oven drying. The redesign p

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14

Kunstfeld, Jaroslav, and Josef Brychta. "Problems of Clamping Rotary Tools." Technological Engineering 11, no. 2 (2014): 12–15. http://dx.doi.org/10.2478/teen-2014-0012.

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Abstract The basic function of all rotary tool clamps used is to clamp a tool firmly and with as small deviation of the tool axis from the axis of rotation of the machine tool spindle as possible throughout the service life of both the tool and the clamp. Another important function of a clamp is to bring the cutting lubricant to the cutting point. A lubricant pressure of 60 and more bars is currently used there. To ensure the proper operation and long service life of the machine spindle, it is necessary that, especially in the case of high-speed machines, the clamp with the tool clamped meets

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15

Alhunaishi, Ahmed Saleh. "Analysis of Torsional Vibrations of Rotary Winding Machines." Thamar University Journal of Natural & Applied Sciences 4, no. 4 (2023): 85–107. http://dx.doi.org/10.59167/tujnas.v4i4.1296.

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This work is chosen to analyze the rotary winding machines because these machines are existed in our country and this analysis is practical from the side of input values and getting the results. Good rotary winding machine design practice demands the analysis of the system to insure that the reaction due to operation of the machine will not cause damaging vibrations. The widest phenomenon in vibration forms in mechanical transmission is the torsional vibration. The aim of this work is the analysis of the torsional vibrations of these rotary winding machines and to minimize that vibrations and

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16

Haq, Sami ul, and Muhammad Akmal. "Enhancing Rotary Machine Reliability Through Condition-Based Maintenance Optimization." Pakistan Journal of Scientific Research 3, no. 1 (2023): 7–13. http://dx.doi.org/10.57041/pjosr.v3i1.926.

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Rotary machines possess an inherent characteristic of generating vibrations, leading to the deterioration of critical components, particularly bearings and gears, ultimately failing the system. Vibration analysis is widely acknowledged as the predominant diagnostic technique employed for assessing the state of machinery and informing maintenance strategies. Condition-based maintenance (CBM) is a crucial component of proactive maintenance strategies that optimize machine availability by implementing timely interventions and minimizing costly breakdowns. This research endeavour aims to establish

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17

Kulkarni, S. R., and S. A. Goudadi. "HIGH EFFICIENT ROTARY HULLER MACHINE." International Journal of Engineering Applied Sciences and Technology 4, no. 3 (2019): 137–41. http://dx.doi.org/10.33564/ijeast.2019.v04i03.022.

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18

Kasko, A. A., A. A. Zelentsov, and V. P. Minin. "End window profiling of a trochoid machine." Proceedings of Higher Educational Institutions. Маchine Building, no. 11 (752) (November 2022): 47–57. http://dx.doi.org/10.18698/0536-1044-2022-11-47-57.

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There is a proposal of a method for the profiling the end windows of trochoid rotary machines according to the given geometric parameters for constructing the trochoid and the degree of gas pressure increase. Its area of application is rotary piston engines and trochoid compressors and pumps. Verification of the mathematical model was carried out on the basis of gas flow simulation data in a three-dimensional setting in the AVL Fire software package. The model of the working process of a trochoid machine is based on the fundamental equations of momentum, energy, diffusion and continuity, writt

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19

Mei, Yu Tao, and Guang Zhen Cheng. "The Semi-Automatic Drilling Machine for Flange Processing." Applied Mechanics and Materials 345 (August 2013): 543–46. http://dx.doi.org/10.4028/www.scientific.net/amm.345.543.

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This paper designed a semi-automatic drilling machine used in flange hole processing. The drilling machine consists of rotary power head, power head straight reciprocating device, rotary indexing table, positioning clamping device. Rotary power head is driven by the motor, and realize the rotary motion through the gear driving. Power head straight reciprocating device, rotary indexing table, positioning clamping device driven by the hydraulic cylinder, to achieve the semi-automatic of the flange hole processing cooperate with the PLC sequence control function. It has short design cycle, low in

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20

HIRANO, Hideo, and Kosuke NOGUCHI. "406 Needle-less Knitting Machine (Rotary Knitting Machine)." Proceedings of Conference of Kansai Branch 2010.85 (2010): _4–10_. http://dx.doi.org/10.1299/jsmekansai.2010.85._4-10_.

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21

Milutinović, Milan, Zoran Dimić, Goran Vasilić, Saša Živanović, Branko Kokotović, and Nikola Slavković. "Development of a new CNC grinding machine for 3+2-axis grinding of the profile rotary milling cutter." Scientific Technical Review 72, no. 1 (2022): 42–47. http://dx.doi.org/10.5937/str2201042m.

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Due to the great expansion of woodworking, profile tools manufacturing has become current and in demand. In wood industry there are two large groups of tools: rotary and spindle milling cutters that can be profile or flat. The technology of making profile rotary milling cutters requires, apart from cutting, turning, milling, 5-axis grinding operation that is performed on a 5-axis CNC grinding machine with the A'OXYZC configuration.It is a machine of a very complex kinematics and high cost-price. The paper presents a new machine that has been built for 3+2-axis grinding - Profilator 100,used fo

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22

Wang, Zhe, Minghao Tong, Jianlong Zhu, Longmiao Chen, Zhiyuan Xu, and Bingbin Huangfu. "Optimization design of a dual 5-phase flux-switching permanent-magnet machine for a direct-drive manipulator in artillery automatic loading applications." Journal of Physics: Conference Series 2891, no. 10 (2024): 102023. https://doi.org/10.1088/1742-6596/2891/10/102023.

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Abstract Due to the increasing demand for high firing speeds in large-caliber artillery, automatic loading systems have become increasingly important. To enhance the reliability of the automatic loading system, a direct-drive rotary manipulator based on a multi-phase outer-rotor flux-switching permanent-magnet machine is proposed. First, the machine topology is designed, including the type, size, rated parameters, and the stator-tooth/rotor-pole combination. Then, aiming to minimize torque ripple and maximize output torque, the optimization procedure is implemented for the proposed machine. Th

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23

Li, Xuejun, Yiping Shen, and Songlai Wang. "Dynamic Modeling and Analysis of the Large-Scale Rotary Machine with Multi-Supporting." Shock and Vibration 18, no. 1-2 (2011): 53–62. http://dx.doi.org/10.1155/2011/541049.

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The large-scale rotary machine with multi-supporting, such as rotary kiln and rope laying machine, is the key equipment in the architectural, chemistry, and agriculture industries. The body, rollers, wheels, and bearings constitute a chain multibody system. Axis line deflection is a vital parameter to determine mechanics state of rotary machine, thus body axial vibration needs to be studied for dynamic monitoring and adjusting of rotary machine. By using the Riccati transfer matrix method, the body system of rotary machine is divided into many subsystems composed of three elements, namely, rig

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KOSIYUK, M., and А. KOSIYUK. "ROTOR-BLADE MACHINE." Herald of Khmelnytskyi National University. Technical sciences 285, no. 3 (2020): 114–17. https://doi.org/10.31891/2307-5732-2020-285-3-19.

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The world’s leading engine companies carry out research and development work aimed at improving the efficiency of heat engines, their reliability and durability, reducing weight and size, improving environmental performance, reducing fuel consumption and more. In the research of many companies, attempts are being made to fundamentally change the process of converting thermal energy into mechanical work. The use of rotor-blade engine design is one of the important areas of the process of improving heat engines. This gives a significant advantage over reciprocating engines in terms of specific d

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Jeong, Yeon Ho, Dae Man Jung, Kwon Jae Lee, Young Tae Cho, and Yoon Gyo Jung. "Performance Investigation of Rotary Discharge Machine by Analytical Method." Journal of the Korean Society for Precision Engineering 33, no. 12 (2016): 965–70. http://dx.doi.org/10.7736/kspe.2016.33.12.965.

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26

Rajabova, N. R., and A. B. Qodirov. "DRYING TONKODISPERSE MATERIALS IN AN UNSUCCESSED ROTARY-DRUMING MACHINE." International Journal of Advance Scientific Research 03, no. 06 (2022): 35–39. http://dx.doi.org/10.37547/ijasr-02-06-05.

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In the article ecologically clean drying of fine dispersed materials chemical and allied industries are considered. The equipment design and technology of drying fine-dispersed materials had been prepared.

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27

Kuruc, Marcel, Juraj Vagovský, and Jozef Peterka. "Influence of Machining Parameters on Machine Tool Loads at Rotary Ultrasonic Machining of Cubic Boron Nitride." Key Engineering Materials 686 (February 2016): 155–60. http://dx.doi.org/10.4028/www.scientific.net/kem.686.155.

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Poly-crystalline cubic boron nitride (PCBN) is one of the hardest known material. Therefore only advanced methods are able to treat such material. Advanced machining methods, proper for machining of hard and brittle materials (such as glass and ceramics) include rotary ultrasonic machining (RUM). However, high hardness of workpiece cause higher loads and it could negatively affect achievable accuracy and surface topography. Machine loads are affected by both: machined material and machining parameters. This contribution investigates influence of machining parameters, such as spindle speed, fee

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28

Metri, Prabhakar. "Fault Diagnosis of Rotary Machine Using FFT (Fast Fourier Transformation) and Orbital Analyzer." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (2021): 2673–81. http://dx.doi.org/10.22214/ijraset.2021.36933.

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In different industries we use different machines and most of the machines are rotary machines. The small fault in machine cause vibrations in machines. These vibrations may cause effect on machine or product produced by machine. So, it is important to study these faults present in the machines. In this paper we are going to discuss fault detection techniques. We are discussing two technique FFT (Fast Fourier Transformation) and Orbital Analysis. In FFT we are getting graphs with respect to frequencies and according to peak frequencies we predict fault while in Orbital Analysis we are getting

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Okahata, Go, Akinori Yui, Takayuki Kitajima, Shigeki Okuyama, Hirotsugu Saito, and Alexander Henry Slocum. "Development of Rotary Work Table with Constant-Flow Hydrostatic Water Bearing for Large Scale Silicon-Wafer Grinding Machine." Advanced Materials Research 1017 (September 2014): 604–9. http://dx.doi.org/10.4028/www.scientific.net/amr.1017.604.

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There is a compelling need for development of a surface grinding machine for 450mm diameter silicon-wafers. The authors have developed a new surface grinding machine for the large scale silicon-wafers. The machine has a rotary work table equipped with a constant-flow hydrostatic water bearing. The table system has to attain high static stiffness to achieve higher loop stiffness. This paper investigates static performances of the rotary table by numerical computation. The obtained results are compared with the experimental ones. Accordingly, it is verified that the developed rotary table has su

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30

Prudnikov, S. N., A. V. Novgorodskaya, V. V. Yarots, and N. S. Savko. "Improving the efficiency of rotary vane machines." Glavnyj mekhanik (Chief Mechanic), no. 11 (October 7, 2022): 706–11. http://dx.doi.org/10.33920/pro-2-2211-04.

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This article discusses various ways to unload force factors in rotary vane machines. The effectiveness of unloading with the help of electromagnetic forces is shown. Methods for reducing mechanical losses due to the friction of the plates against the machine body are given.

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31

Uli, Hotma, Muhammad Rizky Ikhsan, and Setyo Yulio Pratama. "The Reliability Analysis of Rotary Kiln A." International Journal of Education, Science, Technology, and Engineering 3, no. 2 (2020): 67–77. http://dx.doi.org/10.36079/lamintang.ijeste-0302.155.

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Rotary Kiln as a pyroprocessing device is used to raise the temperature of the material to a high temperature (calcination) in a continuous process. By looking at the constraints on PT. Meratus Jaya Iron & Steel, whose production machines often have breakdowns, is a fundamental reason for researchers to increase the reliability level of PT. Meratus Jaya Iron & Steel. The research was conducted on the Rotary Kiln Machine made in Germany which plays a high enough role in the company. The method used is the Reliability with Mean Time to Repair Method (MTTR). From the results of calculatio

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Lee, Hyun Bok, Ji Han Oh, Chang Hwan Oh, and Young Hyu Choi. "Structural Design Optimization of the Rotary Table of a Floor Type Boring Machine for Minimum Weight and Compliance by Using GA." Applied Mechanics and Materials 271-272 (December 2012): 1421–26. http://dx.doi.org/10.4028/www.scientific.net/amm.271-272.1421.

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Recently needs of extra-large floor type boring machines have been increased according to super-sizing ships and aircrafts including wind turbines. The rotary table of a supersize floor type boring machine to be developed in this study can support ultra heavyweight workpieces more than 200 tons and be rotated with a speed of 300 deg/min. Therefore, it is designed as a high rigidity structure and requires high rigidity bearings. Thus, hydrostatic bearings are used in this rotary table. For optimizing the rotary table of a floor type boring machine as a lightweight and high rigidity structure, a

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Uli, Hotma, Muhammad Rizky Ikhsan, and Setyo Yulio Pratama. "The Reliability Analysis of Rotary Kiln A." International Journal of Education, Science, Technology, and Engineering 4, no. 1 (2021): 13–23. http://dx.doi.org/10.36079/lamintang.ijeste-0401.155.

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Rotary Kiln as a pyroprocessing device is used to raise the temperature of the material to a high temperature (calcination) in a continuous process. By looking at the constraints on PT. Meratus Jaya Iron & Steel, whose production machines often have breakdowns, is a fundamental reason for researchers to increase the reliability level of PT. Meratus Jaya Iron & Steel. The research was conducted on the Rotary Kiln Machine made in Germany which plays a high enough role in the company. The method used is the Reliability with Mean Time to Repair Method (MTTR). From the results of calculatio

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Prodan, Dan, Anca Bucuresteanu, Adrian Motomancea, and Alina Ovanisof. "Remanufacture of rotary tables for heavy duty machine tools." MATEC Web of Conferences 317 (2020): 03001. http://dx.doi.org/10.1051/matecconf/202031703001.

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In this paper, the authors present some of the theoretical and experimental research conducted on the occasion of rotary tables remanufacturing for CNC machine tools belonging to Boring and Milling Machines family. They give the constructive solutions applied on CNC machines and the specific systems of guiding, locking and driving. The authors present also the modifications required when passing from CC variant to CNC variant in terms of locking - indexing systems and hydraulic suspension systems. The paper presents different achievements but insists particularly on the remanufacture of the ro

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Ikegami, Takakazu, Toshiki Hirogaki, and Eiichi Aoyama. "Development of Direct Drive Motor for Machine Tools and its Performance in Machining." Advanced Materials Research 1136 (January 2016): 661–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1136.661.

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This paper describes the development of a direct drive motor (DD motor) without a reduction gear for the rotary motion of machine tools and its performance. We investigate novel DD motors from a view of total performance on machine tools. Moreover, we estimate to employ the developed DD motors for 5-axis control machine tools and the multi-functional machine tools. The study proves the required performance of rotary motion is achieved on machine tools, and the developed DD motors are found to be effective as follows. First, designing a DD motor with quality engineering and FEM analysis of elec

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HM, Gatot Basuki. "Production Machine Maintenance Analysis Using the Failure Mode And Analysis Method and Logic Tree Analysis d i P T Symgreen Gresik." Journal of Applied Sciences, Management and Engineering Technology 3, no. 2 (2022): 36–41. http://dx.doi.org/10.31284/j.jasmet.2022.v3i2.3183.

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Maintenance of production machines is a production control to maintain the productivity of the production process. PT. Symgreen is a company that produces ice cream sticks. To achieve optimal results, regular machine maintenance is required. The occurrence of damage to the production machine experienced during the production process, in some damage to machine components, so that production results were reduced. The Failure Mode and Effect Analysis method is used to identify the failure mode and overcome the failure mode in every machine breakdown. To determine the failure mode category for the

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Denkena, Berend, Henning Buhl, and Mohamed Taha Araoud. "Höhere Achsdynamik durch Mehrkoordinatenantriebe in Werkzeugmaschinen." Zeitschrift für wirtschaftlichen Fabrikbetrieb 119, no. 10 (2024): 749–53. http://dx.doi.org/10.1515/zwf-2024-1134.

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Abstract The Institute of Production Engineering and Machine Tools (IFW) at Leibniz University Hannover has developed a novel linear-rotary direct drive for machine tools. This combines linear and rotary movements in a single drive. As a result, the overall dynamics of machine axes can be improved and the installation space reduced.

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Liu, Xin, Chun Dong Zhu, Xi Jiang, and Yi Zhang. "Influence of eccentricity of double eccentricity sleeves on the movements of swing head in rotary forging press." Mechanical Sciences 10, no. 1 (2019): 321–30. http://dx.doi.org/10.5194/ms-10-321-2019.

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Abstract. Rotary forging is an innovative incremental metal forming process, In a rotary forging press with double eccentricity sleeves, the eccentricity of double eccentricity sleeves has significant effects on the movements of swing head. The internal and external eccentricity of the existing rotary forging machine is equal, except circular path, the rotation speed of internal and external eccentric sleeves for the rose curve, spirals curve and straight line is not equal, which will produce the oscillation centrifugal force during the forming process and cause the violent shaking on the mach

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Sato, Kazuo, Motoji Ohmori, Masakazu Takasumi, Motohiro Shiga, Koki Shiohata, and Fumio Fujisawa. "Vibration diagnosis method for rotary machine." Journal of the Acoustical Society of America 77, no. 2 (1985): 777. http://dx.doi.org/10.1121/1.392326.

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Kawai, Ken-ichi, Masujiro Hayama, and Hong-Xing Su. "Rotary heading using a rotary-forging machine with a side roller." Journal of Materials Processing Technology 37, no. 1-4 (1993): 115–23. http://dx.doi.org/10.1016/0924-0136(93)90084-j.

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Gebhardt, Michael, Alexander Schneeberger, Sascha Weikert, Wolfgang Knapp, and Konrad Wegener. "Thermally Caused Location Errors of Rotary Axes of 5-Axis Machine Tools." International Journal of Automation Technology 8, no. 4 (2014): 511–22. http://dx.doi.org/10.20965/ijat.2014.p0511.

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This paper presents the results of detailed thermal analysis of a 5-axis machine tool with focus on the rotary axes. The rotary axes are characterized regarding their position and orientation errors as a function of the underlying thermal load, contributing significantly to the overall accuracy. A physical model is presented, which allows the simulation of the thermal behavior of the rotary axes based on the power input to the drives of the rotary axes and the heat conduction in a swiveling rotary table unit and convection into environment. This enables an external online-compensation of therm

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Jing, Jun Feng, Peng Fei Li, and Jing Wang. "The Registration Detection System of Rotary Screen Printing Machine Based on the Machine Vision Technology." Applied Mechanics and Materials 29-32 (August 2010): 896–900. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.896.

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With the development of the computer and the digital image processing technology, application of machine vision technology to make online detection research has been gradually developed, so the machine vision technology has been introduced into the registration detection of rotary screen printing, in order to enhance the accuracy and speed of the registration error’s detection, that is a very significant research topic. Firstly, general planning about the rotary screen printing machine registration detection system has been designed. In addition, texture noise of printing picture has been anal

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Manko, Roman, Mario Vukotić, Danilo Makuc, Danijel Vončina, Damijan Miljavec, and Selma Čorović. "Modelling of the Electrically Excited Synchronous Machine with the Rotary Transformer Design Influence." Energies 15, no. 8 (2022): 2832. http://dx.doi.org/10.3390/en15082832.

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An electrically excited synchronous machine (EESM) is a promising alternative to the permanent magnets synchronous machines being used in the automotive industry. However, the main disadvantage of the EESM with the conventional excitation system with brushes is the presence of slip rings on the shaft, which need regular maintenance. A promising alternative to the conventional excitation system of the EESM is a wireless power transfer (WPT) system. In this paper, we focused on WPT excitation system based on the rotary transformers. First, the model of the EESM in the d-q reference frame with ve

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Li, Liang Jing, and Guo Qing Zhang. "Research on Deep Plowing for Compacted Soil Based on SPH." Advanced Materials Research 211-212 (February 2011): 505–9. http://dx.doi.org/10.4028/www.scientific.net/amr.211-212.505.

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In order to reduce the working power of tillage implement, made a combination of the down-cut rotary tillage and the up-cut rotary tillage applied on small agricultural machine is proposed. SPH method is applied to the three-dimensional numerical simulation for rotary soil process of rotating, and thus draws the force characteristics of rotary cutting tools under the different parameters. Combining with the simulation data of the up-cut rotary tillage, the work of tool matching is done. So it can make the force of the up-cut rotary blade and the down-cut rotary blade offset respectively. Accor

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Kusuyama, Jumpei, Shintaro Iwahashi, Takayuki Kitajima, et al. "Loop Stiffness of Grinding Machine Developed for 450 mm Silicon Wafers." Advanced Materials Research 1136 (January 2016): 655–60. http://dx.doi.org/10.4028/www.scientific.net/amr.1136.655.

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Increasing the wafer diameter from φ300 mm to φ450 mm is required to enhance semiconductor devices productivity. A high-stiffness rotary grinding machine equipped with water hydrostatic bearings was developed for a φ450 mm silicon wafer. The grinding machine has an upper structure consisting of a wheel spindle system and a lower structure consisting of a rotary worktable system. The spindle shaft creates both rotary and axial feeding motion. The upper and lower structures are clamped together rigidly by three kinematic couplings. A higher loop stiffness is required for the grinding machine bec

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Zhang, Hong Tao, Jian Guo Yang, Kai Guo Fan, and Yi Zhang. "Error Decoupling and Linkage-Compensation on Five-Axis NC Machine Tools." Advanced Materials Research 154-155 (October 2010): 1502–7. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.1502.

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The mathematical model of five-axis NC machine tools was established based on the transformation matrix. A new decoupling and linkage-compensation method for five-axis NC machine tools is proposed. The error caused by linear axes and rotary axes was compensated by using the linkage-compensation approach. In the real-time error compensation process, the rotary axes error was compensated firstly, and then the linear error caused by linear axes and rotary axes was compensated. The new decoupling method can effectively compensate machining errors for five-axis NC machine tools, which was verified

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Tomczak, J., T. Bulzak, and Z. Pater. "A Method For Producing Hollow Shafts By Rotary Compression Using A Specially Designed Forging Machine." Archives of Metallurgy and Materials 60, no. 3 (2015): 1745–54. http://dx.doi.org/10.1515/amm-2015-0300.

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Abstract The paper presents a new method for manufacturing hollow shafts, where tubes are used as billet. First, the design of a specially designed forging machine for rotary compression is described. The machine is then numerically tested with regard to its strength, and the effect of elastic strains of the roll system on the quality of produced parts is determined. The machine’s strength is calculated by the finite element method using the NX Nastran program. Technological capabilities of the machine are determined, too. Next, the results of the modeling of the rotary compression process for

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Lemeshko, M. A., A. B. Kozhemyachenko, and I. T. Khanikadze. "Research stand for studying the hydraulic drive of adaptive drilling machines." IOP Conference Series: Earth and Environmental Science 1045, no. 1 (2022): 012135. http://dx.doi.org/10.1088/1755-1315/1045/1/012135.

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Abstract The work relates to mining, in particular to machines used in mining. The article is devoted to the improvement of rotary type drilling machines and methods for investigating the effectiveness of drilling machines. The research complex is described in detail - a stationary stand for the study of rotary drilling, for the study of hydraulic-driven drilling machines. The research complex is made on the basis of a commercially available drilling machine “UBG.00” and allows you to carry out studies of rotary-type drilling machines used in geological exploration, mining, drilling technologi

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Wu, Chu Han, Shu Min Wan, and Bin Lin. "Air-Lubricated Pneumatic Workbench." Applied Mechanics and Materials 37-38 (November 2010): 82–85. http://dx.doi.org/10.4028/www.scientific.net/amm.37-38.82.

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The air-lubricated pneumatic workbench introduced in this paper is used in rotary ultrasonic machining which are widely used to machine hard and brittle materials. It is necessary to use special ultrasonic machine tool for rotary ultrasonic machining in the traditional ultrasonic machining, limiting the application of ultrasonic machining. A new type of rotary ultrasonic grinding cutter is developed, which can be mounted on the general purpose machine tool used to machine the hard brittle materials. The air-lubricated pneumatic workbench on which the workpiece is fixed can be used to precisely

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Ihara, Yukitoshi. "Ball Bar Measurement on Machine Tools with Rotary Axes." International Journal of Automation Technology 6, no. 2 (2012): 180–87. http://dx.doi.org/10.20965/ijat.2012.p0180.

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A ball bar is a very convenient device for measuring the motion accuracy of machine tools. Some trials have also been done for measuring motion accuracy of industrial robots. Nowadays, multi-axis machines such as five-axis machining centers are very popular, and therefore, there is increased demand for checking their accuracy. This paper introduces an idea for checking the motion accuracy of five-axis machining centers and diagnosing error sources by reviewing trial measurements on articulated industrial robots. There are two problems. The first problem is that the ball bar can measure only di

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