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Journal articles on the topic 'Quality of machine parts'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Holesovsky, Frantisek, Martin Novák, Michal Lattner, and Tomas Vyslouzil. "Machining and its Influence to Surface Quality of Machine Parts." Key Engineering Materials 581 (October 2013): 354–59. http://dx.doi.org/10.4028/www.scientific.net/kem.581.354.

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A number of machine parts are provided with design notches for the mounting of lock ring, position of bearing, and cross over sub of diameters etc. These elements significantly affect the durability of machines parts and their influence is inherently implemented into their design. The question is machining itself, particularly ambient surface finishing and intrinsic notch element. The changes and behaviour of machined surface form also very interesting part of paper and particularly under load. A number of new findings concerning the influence of machining on durability of machine parts both u

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Chen, Ming Jun, Ying Chun Liang, Ya Zhou Sun, W. X. Guo, and Wen Jun Zong. "Research of the Technological Parameters Influencing on the Surface Quality of Micro Complex Surface." Key Engineering Materials 291-292 (August 2005): 513–18. http://dx.doi.org/10.4028/www.scientific.net/kem.291-292.513.

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In order to machine complex free surface parts, a micro NC (numerical control) three-dimensional machine tool is developed, integrated the PMAC control. Based on this NC machine tool, the influencing of the technological and tool’s parameters on machining accuracy of micro complex surface parts are analyzed, and the cause to lead to the machining errors is explained. Therefore, the cutting parameters and tool geometry parameters to machine micro complex surface, such as the human’s face, can be selected optimally. Finally, the micro complex human’s face is machined on this developed micro mach

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Bazrov, B. M., A. G. Suslov, O. V. Taratynov, and A. N. Shoev. "Quality of surface modules in machine parts." Russian Engineering Research 33, no. 11 (2013): 651–54. http://dx.doi.org/10.3103/s1068798x13110063.

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Rahman, M. A., Nur Atiqah Md Sadan, Mohammad Minhat, Halim Isa, and Abu Bakar Baharudin. "Investigation of Cutting Parameter and Machine Tool Vibration Effects Using Regression Analysis to Enhance Part Dimensional Accuracy." Applied Mechanics and Materials 761 (May 2015): 93–97. http://dx.doi.org/10.4028/www.scientific.net/amm.761.93.

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Dimensional accuracy plays important criteria in producing high quality machined parts. This is a big challenge to manufacturers of precision components to produce good quality parts with minimum manufacturing error. The focus of this paper is to study the influence of the machine tool rigidity and cutting parameters on dimensional accuracy in turning operation. A method was prepared for identifying the factors effecting dimensional accuracy in a turning process. Experimental setup involved computerized numerical control (CNC) lathe machine, with VBMT 160404 carbide insert and mild steel, as c

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Kusyi, Yaroslav, Vadym Stupnytskyy, Oleh Onysko, Egidijus Dragašius, Saulius Baskutis, and Rafal Chatys. "Optimization synthesis of technological parameters during manufacturing of the parts." Eksploatacja i Niezawodnosc - Maintenance and Reliability 24, no. 4 (2022): 655–67. http://dx.doi.org/10.17531/ein.2022.4.6.

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Technological ensuring the reliability of machine parts is realized by failing to reach the limited state of the elements of the technological system: machine – clamping device – metal-cutting tool-part. A method of optimization synthesis of parameters of technological processes of manufacturing machine parts has been developed. Testing the developed methodology, it was found that the metal cutting tool is Meanwhile, research has shown that metal cutting machine has the least influence on the formation of detailed quality-adjustable parameters from all the the weakest element of the technologi

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KATAEV, YURIY V. "METHOD OF ORGANIZING MAINTENANCE AND REPAIR OF AGRICULTURAL MACHINERY PARTS." Agricultural engineering, no. 5 (2022): 67–72. http://dx.doi.org/10.26897/2687-1149-2022-5-67-72.

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Increasing the performance of machines within their useful life necessitates modernizing maintenance and repair strategies. To develop a method for organizing maintenance and repair of machine parts aimed at improving the reliability of agricultural machinery, the authors carried out an analysis of the U-shaped form of the failure rate curve. Two types of post-warranty service were considered. The study showed that the failures of machine parts observed while operating are of two types: failures of the manufacturer (determined by the quality of design, manufacture and installation, and charact

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Woody, Bethany A., K. Scott Smith, Robert J. Hocken, and Jimmie A. Miller. "A Technique for Enhancing Machine Tool Accuracy by Transferring the Metrology Reference From the Machine Tool to the Workpiece." Journal of Manufacturing Science and Engineering 129, no. 3 (2006): 636–43. http://dx.doi.org/10.1115/1.2716718.

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High-speed machining (HSM) has had a large impact on the design and fabrication of aerospace parts and HSM techniques have been used to improve the quality of conventionally machined parts as well. Initially, the trend toward HSM of monolithic parts was focused on small parts, where existing machine tools have sufficient precision to machine the required features. But, as the technology continues to progress, the scale of monolithic parts has continued to grow. However, the growth of such parts has become limited by the inability of existing machines to achieve the tolerances required for asse

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Chen, Mingzhang, Xinfei Ning, Zijian Zhou, et al. "LMS/RLS/OCTAVE Vibration Controls of Cold Orbital Forging Machines for Improving Quality of Forged Vehicle Parts." World Electric Vehicle Journal 13, no. 5 (2022): 76. http://dx.doi.org/10.3390/wevj13050076.

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Cold orbital forging (COF) as an advanced incremental metal-forming technology has been widely used in processing vehicle parts. During the COF process, the vibration on the COF machine injures the service life of the machine and the quality of the forged part. The study of the vibration control of the COF machine is therefore necessary. In this study, the dynamic model of the COF machine is established, and the vibration performances of some key positions are obtained using Matlab&Simulink software. Subsequently, the vibration performances are effectively verified by conducting a vibratio

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Song, Jin Hu. "Development of Special Automatic Welding Machine for Adaptor Flange of Tubular Parts and Cylindrical Parts." Advanced Materials Research 490-495 (March 2012): 283–87. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.283.

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In general, flange is fixedly connected with tubular parts or cylindrical parts through manual welding. For high labor intensity, low efficiency and poor welding quality of manual welding, a special automatic welding machine for adaptor flange of tubular parts or cylindrical parts is developed. It mainly consists of machine frame, rotary worktable, swing arm, sliding shelf, wire feeder, drive unit, control cabinet and welding torch. The welding machine has two rotary worktables controlled by PLC. With the advantages of simple structure, low production cost, high welding speed, good welding qua

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Frumuşanu, Gabriel, and Alexandru Epureanu. "Tolerance Design for Optimal Dimensional Quality of Machine Parts." Applied Mechanics and Materials 841 (June 2016): 65–71. http://dx.doi.org/10.4028/www.scientific.net/amm.841.65.

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The mechanical systems consist of assembled parts, between which diverse interactions take place. Tolerance analysis purpose is to study the effects of part geometric deviations on assembly functional requirements. In the current approaches from this field, the part geometrical deviations are toleranced without considering the evolution of the geometrical deviations during product exploitation. As consequence, between two parts identical as type but with different values of their geometrical features, inside the designed tolerance zones, any difference is made despite they might have significa

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OLADELE, Waheed Olatunji, Olawale Oladipo ADEJUWON, and Ibikunle Olalekan OGUNDARI. "POTENTIAL SOURCES OF FAILURE IN MACHINES PRODUCED BY AGRO-ALLIED ARTISANAL METAL FABRICATORS IN NIGERIA: POLICY IMPLICATIONS FOR ENHANCING RELIABILITY AND BUILD QUALITY OF POST-HARVEST MACHINES." Materials & Corrosion Engineering Management 5, no. 1 (2024): 20–24. https://doi.org/10.26480/macem.01.2024.20.24.

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This study examines the likely sources of failure of machines fabricated by agro-allied artisanal machine fabricators in Nigeria with a view to inform strategies to enhance the reliability and build quality of the machines produced and reduce likely property damage and personal injury due to machine failure. Information on the frequency (where 0 = none and 4 = always) of machine failure from three sources namely; manufacturing defects, supplied parts and maintenance and handling by end-users was collected from using a set of questionnaire fabricators in selected fabrication clusters in Southwe

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Yang, Xuchang, Qian Zheng, Yueying Hu, Ronghui Chen, Xuepeng Wang, and Yanan Liu. "Research on High-Quality Development of Auto Parts Manufacturing Industry Based on Machine Learning Model." Scientific Programming 2022 (February 10, 2022): 1–9. http://dx.doi.org/10.1155/2022/3659742.

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At present, in China’s automobile manufacturing industry, the main problem is the manufacturing of parts and on-board equipment. Most domestic industries still adopt the step-by-step production of parts, and each manufacturer customizes the required parts according to the scale and production needs of its own enterprise. This situation is easy to cause unstable quality of parts and serious unqualified quality inspection problems. Based on the above situation, we study the high-quality development, parts quality optimization, and remanufacturing of auto parts manufacturing industry with the sup

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Orzan, Iulian Alexandru, and Constantin Buzatu. "Measuring System Analysis of the Video Equipments for Quality Measurements and Quality Control in the Automotive Industry." Applied Mechanics and Materials 371 (August 2013): 612–16. http://dx.doi.org/10.4028/www.scientific.net/amm.371.612.

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Verification of each dimension in time and in quality is a problem that can have serious effects over the production rate and the costs of each company. Machine vision it can be defined as machines with their own set of eyes. Using their vision, machines inspect products for defects by detecting the presence or absence of parts, taking measurements, reading codes, etc. In this paper is presented an alternative solution to verify the dimensions and position or presence of the assembly parts according to each specification and the measuring capabilities for the video equipment used in the practi

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Wang, Zhong Ren, and Chun Ling Wu. "On-Machine Measurement of Metal Parts Based on Machine Vision." Applied Mechanics and Materials 66-68 (July 2011): 235–39. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.235.

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At present, on-machine measurement has received extensive attention due to high efficiency and automatic quality control. In this paper, two applications of on-machine vision measurement of metal parts were introduced. With regard to geometric measurement of small square part, four sides and angle were measured. The procedure of camera calibration, image processing and geometric representation was expounded. For medium square part, four overlapped images were captured by controlling the worktable movement. Size and shape measurement were achieved after image mosaicing. Two application results

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Wang, Chuan Lei, Qing Chao Sun, Xiao Kai Mu, and Bo Wen Shi. "Manufacturing Accuracy Control of Precision Machine Tool Based on Taguchi Method." Applied Mechanics and Materials 716-717 (December 2014): 1545–50. http://dx.doi.org/10.4028/www.scientific.net/amm.716-717.1545.

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In the manufacturing process of precision machine tool, the precision of the machine tool can not simply rely on parts design tolerance to achieve, and also need choose parts assemble for different tolerance values to ensure the accuracy of machine tools. Machine tool assembling deviation accumulation model is established by using the homogeneous coordinate transformation matrix, the quality loss function of taguchi methods apply to mechanical products matching activities. Considering the processing deviation of parts, the quality loss function of assembly cumulative deviation as an effective

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16

Gutierrez, Abraham, and Sebastian Müller. "Quality Analysis in Acyclic Production Networks." Stochastics and Quality Control 34, no. 2 (2019): 59–66. http://dx.doi.org/10.1515/eqc-2019-0014.

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Abstract The production network under examination consists of a number of workstations. Each workstation is a parallel configuration of machines performing the same kind of tasks on a given part. Parts move from one workstation to another and at each workstation a part is assigned randomly to a machine. We assume that the production network is acyclic, that is, a part does not return to a workstation where it previously received service. Furthermore, we assume that the quality of the end product is additive, that is, the sum of the quality contributions of the machines along the production pat

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Misztal, Agnieszka, and Sebastian Bachorz. "Quality Planning of Parts Machine Production Based on Housing of Cylinder Head Milling Machines." Applied Mechanics and Materials 657 (October 2014): 986–90. http://dx.doi.org/10.4028/www.scientific.net/amm.657.986.

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Taking care of entrepreneurs for full compliance of the products with the requirements and expectations of the customer and the relevant regulations and standards begins in the product design phase. The next important step is to design manufacturing technology. The result of this process, together with the criteria relating to the assessment and acceptance of the results of each operation is a quality plan. The subsequent results of the products realization depend on the awareness of entrepreneurs and their serious approach to quality planning. This article is an example of a tabular quality p

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Al-Ahmad, Manaf, Song Yang, and Yi Qin. "Integrating Machine Learning with Machine Parameters to Predict Plastic Part Quality in Injection Moulding." MATEC Web of Conferences 401 (2024): 08011. http://dx.doi.org/10.1051/matecconf/202440108011.

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The plastic injection moulding process is a critical manufacturing technique renowned for its high productivity, cost-effectiveness, and ability to produce intricate plastic components for various industries including medical and aerospace. The quality of the manufactured parts is influenced by several parameters, such as machine settings and mould characteristics, particularly thermal aspects. This paper specifically investigates the influence of primary machine parameters on part quality, excluding considerations of time, mould features, and cooling channel geometries. By focusing on the mac

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Martin, Patrick, Fabien Schneider, and Jean-Yves Dantan. "Optimal adjustment of a machine tool for improving the geometrical quality of machined parts." International Journal of Advanced Manufacturing Technology 26, no. 5-6 (2004): 559–64. http://dx.doi.org/10.1007/s00170-003-2004-4.

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20

Berus, Lucijano, Jernej Hernavs, David Potocnik, Kristijan Sket, and Mirko Ficko. "Enhancing Manufacturing Precision: Leveraging Motor Currents Data of Computer Numerical Control Machines for Geometrical Accuracy Prediction Through Machine Learning." Sensors 25, no. 1 (2024): 169. https://doi.org/10.3390/s25010169.

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Direct verification of the geometric accuracy of machined parts cannot be performed simultaneously with active machining operations, as it usually requires subsequent inspection with measuring devices such as coordinate measuring machines (CMMs) or optical 3D scanners. This sequential approach increases production time and costs. In this study, we propose a novel indirect measurement method that utilizes motor current data from the controller of a Computer Numerical Control (CNC) machine in combination with machine learning algorithms to predict the geometric accuracy of machined parts in real

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Beskopylny, Alexey N., Viktor B. Rykov, Elena M. Zubrilina, and Andrey D. Chistyakov. "Agricultural machine parts quality control by dynamic non-destructive methods." MATEC Web of Conferences 226 (2018): 04034. http://dx.doi.org/10.1051/matecconf/201822604034.

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The problem of quality control of agricultural machinery parts by means of dynamic non-destructive methods of impact indentation of conical shape indenters is considered. Quality of the crucial parts is considered from the point of view of a set of mechanical characteristics that determine the strength, hardness, wear resistance and deformability. These characteristics must be known and be able to control on all the details promptly and accurately both in the manufacturing process and in operation. The mechanical characteristics of metals are stochastic in nature. For this purpose, an impact i

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Ivanov, Sergiy, and Pavlo Oliinyk. "APPLICATION OF 3D SCANNING TO QUALITY CONTROL OF MACHINE PARTS." APPLIED GEOMETRY AND ENGINEERING GRAPHICS 1, no. 106 (2024): 119–32. https://doi.org/10.32347/0131-579x.2024.106.119-132.

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Three-dimensional scanning is a relatively new technology that allows one to obtain a digital three-dimensional model of an object with the help of an electronic device and computer technology. Three-dimensional scanning is used in many fields: architecture, mechanical engineering, aviation, medicine, culture and art, education. The use of three-dimensional scanning for part quality control allows one to significantly reduce the required volume of measurements, since main geometric parameters of the part (linear and angular dimensions) and even deviations of the shape and location can be deter

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Peng, He Li, Mine Zhe Li, Qi Gang Han, Peng Xiao Feng, and Hao Han Zhang. "Design of Flexible Multi-Gripper Stretch Forming Machine by FEM." Advanced Materials Research 328-330 (September 2011): 13–17. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.13.

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In order to improve the performance of back drawing type of flexible multi-gripper stretch forming machine used for double-curvature metal sheet forming, back and down drawing type of flexible multi-gripper stretch forming machine was designed by finite element method (FEM), which has simple structure and cheap cost. The FE model of flexible multi-gripper stretch forming was established, and extensive numerical simulations of spherical parts for two kinds of flexible stretch forming machines were carried out. The variations of stress, strain, thickness and springback value of spherical parts f

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ZALYUBOVSKYI, Mark. "TECHNICAL AND ECONOMIC RATIONALE FOR THE USE OF TURBULA TYPE MACHINING MACHINES IN POLISHING THE SURFACE OF SMALL POLYMER POLYMERS." Herald of Khmelnytskyi National University. Technical sciences 311, no. 4 (2022): 94–99. http://dx.doi.org/10.31891/2307-5732-2022-311-4-94-99.

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A method of wet polishing of polymer parts using a galvanizing machine with a complex spatial movement of the working tank type «Turbula» is proposed. According to the proposed method, the main stage of polishing the surface of the parts is carried out by abrasive ceramic bodies of complex geometric shape with the addition of fine pumice in the implementation of mixed cascade-waterfall mode of movement of the bulk working medium. This method of processing parts is considered highly productive, the processing time of parts averages 15 hours of continuous operation of the machine, which is sever

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Riski Eka Prayoga. "EVALUASI KEGAGALAN HASIL PRODUKSI MESIN POTONG PLASTIK MENGGUNAKAN METODE DMAIC DI PT. XYZ." J-ENSITEC 9, no. 02 (2023): 848–55. http://dx.doi.org/10.31949/jensitec.v9i02.5444.

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The trend of good performance in the manufacturing industry continues to increase in line with high consumer demand. For this reason, the plastic manufacturing industry has to go the extra mile to meet market demand. However, it is constrained by the ability of production machines that risk interfering with product quality. The cutting machine is a plastic production machine at PT. XYZ, functions as a plastic cutter. Has poor performance with high product defects. The research was conducted to determine the factors causing the high product defects on cutting machines at PT. XYZ. This research

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Mu, Zongyi, Yan Ran, Genbao Zhang, Hongwei Wang, and Xin Yang. "Remaining useful life prediction method for machine tools based on meta-action theory." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 235, no. 4 (2021): 580–90. http://dx.doi.org/10.1177/1748006x211002544.

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Remaining useful life (RUL) is a crucial indictor to measure the performance degradation of machine tools. It directly affects the accuracy of maintenance decision-making, thus affecting operational reliability of machine tools. Currently, most RUL prediction methods are for the parts. However, due to the interaction among the parts, even RUL of all the parts cannot reflect the real RUL of the whole machine. Therefore, an RUL prediction method for the whole machine is needed. To predict RUL of the whole machine, this paper proposes an RUL prediction method with dynamic prediction objects based

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Gan, Shuyuan, Bolun Wang, and Zhifang Song. "A Combined Maintenance Strategy Considering Spares, Buffer, and Quality." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 235, no. 3 (2021): 431–45. http://dx.doi.org/10.1177/1748006x20972814.

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This paper studies an innovative maintenance model for an upstream machine in a common production system. Multiple system-wise features are integrated in the model, including maintenance, spare parts, buffer inventory, and product quality. The objective is to minimize the system expected cost rate by determining the optimal inspection interval, preventive maintenance threshold, corrective maintenance threshold, reorder level of spare parts, maximum stock level of spare parts, and maximum inventory level of the buffer. In this maintenance model, both the hazard rate and the product qualificatio

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Abrorov, Akbar, Musurmon Juraev, Khodjayeva Nodira, and Erkinbay Ismailov. "Automated Surface Defect Detection in Machined Parts Using Deep Learning Techniques and Machine Vision." Diffusion Foundations and Materials Applications 38 (March 19, 2025): 27–37. https://doi.org/10.4028/p-umcty0.

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This paper presents an overview of advanced deep learning techniques and machine vision technologies aimed at automating defect recognition tasks with unparalleled accuracy and efficiency. Various methodologies, including deep random chains combined with adaptive Faster R-CNN, Gradient-weighted Flaw Detecting using Convolutional Neural Networks (CNNs), and established architectures like Faster R-CNN and YOLOv5, are discussed. These methods leverage CNNs’ robustness in image classification tasks and feature extraction capabilities to improve defect detection accuracy on machined components. Fur

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KATO, Yasuo. "Quality specification of the edge on machine parts regarding mechanical design." Journal of the Japan Society for Precision Engineering 54, no. 11 (1988): 2072–76. http://dx.doi.org/10.2493/jjspe.54.2072.

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M.S., Shukri, Marwah O.M.F., Ibrahim M., Mohamad E.J., Johar M. A., and Othman M. H. "Quality Parts of Portable FDM Machine used in Direct Investment Casting." International Journal of Engineering and Technology 8, no. 6 (2016): 2638–45. http://dx.doi.org/10.21817/ijet/2016/v8i6/160806220.

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KOBAYASHI, Tatsuhiko. "New high quality ductile cast iron for large section machine parts." Proceedings of the Materials and processing conference 2000.8 (2000): 23–24. http://dx.doi.org/10.1299/jsmemp.2000.8.23.

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Kotomchin, A. N., A. F. Sinelnikov, and N. I. Korneychuk. "RESTORATION OF MACHINE PARTS: CHOICE OF THE METHOD." Russian Automobile and Highway Industry Journal 17, no. 1 (2020): 84–97. http://dx.doi.org/10.26518/2071-7296-2020-17-1-84-97.

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Introduction. In the process of operation of cars there is a need for quality repairs with minimal time and resources. There is a constant search for ways to reduce the cost of operating cars by reducing the cost of buying original spare parts. One way to reduce the cost of spare parts is the restoration of resource-defining expensive car parts. In this regard, there is a search for the selection of optimal ways to restore machine parts that meet the economic and technical requirements and which have a resource of a new spare part. The purpose of the research is to substantiate the feasibility

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Mičko, Miroslav, Ján Duplák, Jozef Zajac, et al. "Study of Welding Parameters Effect on the Weld Quality for Structural Steel S235 J0." Key Engineering Materials 669 (October 2015): 79–86. http://dx.doi.org/10.4028/www.scientific.net/kem.669.79.

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Welding technology at current level provides wide range of applications such as automotive or aerospace industries. New technique, ways of approach and use of new materials (for example aluminum or composite parts of car body parts) creates necessity of optimizing of welding.The article is focused on welding of two parts using Metal Active Gas (MAG) welding. The main task is to design most suitable parameters for welding structural steel S235 J0. Samples were prepared by CNC machining center by chamfering edges 30°. Machined samples were placed against each other creating angle of total 60°. W

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Krioni, N. K., A. A. Mingazheva, A. Y. Kononova, A. D. Mingazhev, and V. A. Gafarova. "Islet Nitriding of Product Surfaces Made from Alloy Steel." Solid State Phenomena 265 (September 2017): 215–20. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.215.

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One of the most urgent problems of modern machine engineering is to increase the wear resistance of machine parts. The appearance of new technologies of parts strengthening treatment and improvement of the existing ones, especially the technologies based on thermochemical method, remain quite sought-after and are successfully used to improve the operational properties of the parts. Parts surface layer nitriding as the most common method of improving the service life and reliability of the modern machine parts got a new quality due to the use of ion-plasma processes. At the same time, the ever-

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Khandozhko, Alexandr, Andrey Shcherbakov, Svetlana Fedonina, and Nina Lakalina. "DESIGN PROVISION OF DIE TOOLING QUALITY." Transport engineering 2023, no. 10 (2023): 4–12. http://dx.doi.org/10.30987/2782-5957-2023-10-4-12.

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The issues are considered in order to ensure the die tooling quality to manufacture small-sized parts made of sheet material for radio equipment and microelectronics. Typical damage to the main parts of dies, as well as their causes are analyzed. The development of machine-tool construction determines the trends of changes in the technology of manufacturing die parts. At the same time, the role of electro-physical and electrochemical machining methods increases. They are used, often replacing traditional methods of machining with blade and diamond-abrasive tools. At the same time, individual c

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Суслов, Анатолий, Anatoliy Suslov, Дмитрий Петрешин, et al. "System for automated wear-resistance technological control of machinery at cutting." Science intensive technologies in mechanical engineering 2018, no. 5 (2018): 40–44. http://dx.doi.org/10.12737/article_5ad8d291cddcd8.06334386.

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The peculiarities in the realization of algorithmic and mathematical software for technological control of machinery wear during machine parts cutting are considered. At the same time the adaptive system of quality control of parts surfaces machining on NC machines is used. This system allows decreasing cost price of manufacturing parts and ensuring their required life. The system developed allows choosing a method and modes of part surface finish cutting ensuring a value of its wear intensity at operation not exceeding permissible one with minimum technological cost price.  It all

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Smolentsev, Vladislav, Evgeniy Smolentsev, Yulia Zolototrubova, and Vasily Gritsyuk. "FINISHING AND STRIPPING OF TRANSITIONAL SECTIONS OF MACHINE PARTS." Voronezh Scientific-Technical Bulletin 3, no. 3 (2022): 65–75. http://dx.doi.org/10.34220/2311-8873-2022-65-75.

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The article discusses the methods of finishing and stripping, including the design of an electrochemical processing process. The features of various schemes of using electrodes- tools that allow achieving the necessary quality indicators while ensuring high productivity are shown.

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Pukhov, E. V., V. L. Sidorenkov, and I. V. Shchegolev. "Determining the temperature values on the surface of complex curvilinearly bent agricultural machine parts during the formation of powder coatings by thermal methods." IOP Conference Series: Earth and Environmental Science 845, no. 1 (2021): 012139. http://dx.doi.org/10.1088/1755-1315/845/1/012139.

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Abstract The development of modern technologies for the restoration and hardening of agricultural machine parts require the development of a mathematical apparatus that simulates the involved processes. For this purpose, the models should take into account the technological features of the process of hardening and restoration of machine parts, including: cleaning; determination of geometric indicators; surface preparation; choice of technology; subsequent machining of the resulting surface; surface quality control. One of the priority directions in the development of technologies for the resto

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Qin, Yi, Akhtar Razul Razali, Mei Zhou, Jie Zhao, Colin Harrison, and Wan Adlan Wan Nawang. "Dynamic Characteristics of a Micro-Sheet-Forming Machine System." Key Engineering Materials 504-506 (February 2012): 599–604. http://dx.doi.org/10.4028/www.scientific.net/kem.504-506.599.

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Dynamic characteristics of a micro-forming machine system are of significant importance to be considered if high-precision micro-parts are to be produced. This is because forming tolerances may be within a range of sub-microns up to 5-15% of the thickness of a thin sheet-metal (e.g. <100µm) being used in micro-sheet-forming. Achievability of the quality parts often vary with the machine-system performance and process parameters being set, and it largely depends on the understanding of the machine and tool system’s dynamic characteristics and effectiveness of the control of the machine and t

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Böhl, Sebastian, Sascha Weikert, and Konrad Wegener. "Enhancing Signal Quality of Capacitive Displacement Measurements in Machine Tool Environments." Journal of Manufacturing and Materials Processing 3, no. 3 (2019): 76. http://dx.doi.org/10.3390/jmmp3030076.

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Capacitive displacement sensors are a valuable choice for high accuracy geometric spindle measurements. Although these sensors show the specified performance in electromagnetic friendly environments, the performance may degrade drastically in machine tool environments due to electromagnetic disturbances. An in-situ testing procedure based on a cap test setup is proposed, which enables a simplified error diagnosis and verification of sensor performance. The functionality of the device and the application to different practical cases are presented. The results of these tests suggest that a decis

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Ismoyilov, F. B., M. H. Gapparova, and I. J. Kuchkeldiev. "Determination of parameters of a trepanning machine for cleaning wool fibers." Современные инновации, системы и технологии - Modern Innovations, Systems and Technologies 2, no. 2 (2022): 0417–27. http://dx.doi.org/10.47813/2782-2818-2022-2-2-0417-04-27.

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This article provides information about the technology of primary processing of wool and the feeding part of the baking machine. It analyzes the operating principle and types of baking machines at the enterprise of primary processing of wool. The disadvantages of baking machines affecting the product are considered. The principle of work and the design of new baking machines for the manufacture of quality products are proposed. The article provides information about the technology of primary processing of wool. Studied the mechanisms of machines for the production of wool and identified their

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Vladimirov, Aleksandr, and Yury Tsygankov. "PROSPECTS FOR THE USE OF INTELLIGENCE SYSTEMS TO ENSURE THE QUALITY OF THE SURFACE LAYER OF MACHINE PARTS." Transport engineering 2025, no. 4 (2025): 4–11. https://doi.org/10.30987/2782-5957-2025-4-4-11.

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The study objective is to find the possibility of using intelligence systems together with vibration turning technology to ensure the quality of the surface layer and improve the performance properties of products in industries such as automotive, aircraft, space technology, mining and metallurgical engineering, etc. The task to which the paper is devoted is to ensure the operational properties of machine parts by vibration turning. To a greater extent, the operational properties depend on the quality parameters of the surface layer, which determine the wear resistance, fatigue strength and ot

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Jovicic, Stevan, Ljubisa Tomic, Aleksandar Kovacevic, Nenad Munic, and Vesna Damnjanovic. "Determining threaded machine element fabrication technology by pulsed thermography." Science of Sintering, no. 00 (2024): 5. http://dx.doi.org/10.2298/sos240112005j.

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Non-destructive testing methods, including pulsed infrared thermography, have become quite common in materials evaluation. The method is suitable for checking the quality of the surface treatment of the material structure up to a certain depth and is increasingly applied in the areas of system maintenance and condition assessment of machine elements. Thus, when installing spare parts (screws) for military purposes, for example in airplanes, helicopters, tanks, or armored vehicles, as well as for commercial purposes, for example, excavators or other machines, it is necessary to inspect these pa

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Kostyukov, Alexander. "MODERN TECHNOLOGIES FOR THE RESTORATION OF MACHINE PARTS." Tekhnicheskiy servis mashin 1, no. 142 (2021): 154–61. http://dx.doi.org/10.22314/2618-8287-2020-59-1-154-161.

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At repair enterprises, various metal-polymer materials are used to restore the interfaces. Metal-polymer materials can be filled with the following components: steel, bronze, aluminum, titanium. The main advantages of metal polymers are their resistance to negative environmental influences, mechanical friction and high temperatures. (Research purpose) The research purpose is in analyzing the possibilities of metal-polymer materials for effective use in the restoration of machine parts and to give suggestions for improving their physical and mechanical properties during the restoration work. (M

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Kostyukov, Alexander Yu. "MODERN TECHNOLOGIES FOR THE RESTORATION OF MACHINE PARTS." Tekhnicheskiy servis mashin 1, no. 142 (2021): 154–61. http://dx.doi.org/10.22314/2618-8287-2021-59-1-154-161.

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At repair enterprises, various metal-polymer materials are used to restore the interfaces. Metal-polymer materials can be filled with the following components: steel, bronze, aluminum, titanium. The main advantages of metal polymers are their resistance to negative environmental influences, mechanical friction and high temperatures. (Research purpose) The research purpose is in analyzing the possibilities of metal-polymer materials for effective use in the restoration of machine parts and to give suggestions for improving their physical and mechanical properties during the restoration work. (M

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Agaev, E. T., and A. Yu Bekmeshov. "The current state of affairs in 3D modeling of machine-building profile parts." Quality. Innovation. Education, no. 5 (2021): 32–38. http://dx.doi.org/10.31145/1999-513x-2021-5-32-38.

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The article discusses the method of improving the quality of computer-aided design of machine-building products based on the introduction of the concept of 3D drawing. A comparative analysis of the application of a 3D drawing and the use of a standard flat drawing for the manufacture of machine-building profile products on modern CNC machines is given. The 3D drawings of the products are developed in the SolidWorks software environment. Based on the analysis, it is concluded that the use of 3D drawings in compliance with their correct representation in computer-aided design systems will reduce

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Huang, Qi Hong. "Five-Axis Machining Method of Complicated Curved Surface." Advanced Materials Research 915-916 (April 2014): 1005–8. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.1005.

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Five-axis CNC machine tools are constituted by three-axis machine tools and two rotational degrees of freedom. Using the two rotary axes, five-axis CNC machine tools can improve the accessibility and become an important means of machining complex surface parts. In order to get high tapered complicated curved surface parts, a dual turntable five-axis machine with A-C tables was introduced and the mathematical models of the CNC processing of the workpiece were established. Through machining experiment of the several major processed forms, it shows that the dual turntable five-axis machine system

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Armillotta, Antonio, Stefano Bianchi, Marco Cavallaro, and Stefania Minnella. "Edge quality in fused deposition modeling: II. experimental verification." Rapid Prototyping Journal 23, no. 4 (2017): 686–95. http://dx.doi.org/10.1108/rpj-02-2016-0021.

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Purpose This paper aims to provide an experimental evaluation of geometric errors on the edges of parts manufactured by the fused deposition modeling (FDM) process. Design/methodology/approach An experimental plan was conducted by building parts in ABS thermoplastic resin on a commercially available machine with given combinations of the three geometric variables (inclination, included and incidence angle) defined in the first part of the paper. Edges on built parts were inspected on a two-dimensional non-contact profilometer to measure position and form errors. Findings The analysis of measur

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Liu, Yuxiang, Shiheng Duan, Zepeng Shen, Zheng He, and Linxiao Li. "Grasp and Inspection of Mechanical Parts based on Visual Image Recognition Technology." Journal of Theory and Practice of Engineering Science 3, no. 12 (2023): 22–28. http://dx.doi.org/10.53469/jtpes.2023.03(12).04.

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In the process of industrial production, whether the machine can work stably is an important issue related to production efficiency and production safety. The cleaning of mechanical parts is an important factor affecting the stable operation of mechanical equipment, so the cleaning of mechanical parts is one of the important manufacturing links before assembly and manufacturing. The important value of the application of image recognition technology in the quality inspection of mechanical parts is briefly analyzed, and then the common problems in the quality inspection of mechanical parts are s

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Khalimov, Rustam, and Nikolay Ayugin. "Method for the determination of the processing quality of repair parts of agricultural machinery." BIO Web of Conferences 27 (2020): 00139. http://dx.doi.org/10.1051/bioconf/20202700139.

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The dependence of the technological system state of repair equipment during its operation on the quality of repair of machine parts is revealed. The authors proposed a method to determine the quality of processing of repair parts, including ones of transfer function of the movable friction unit along the sliding guides of the metal-cutting machine under conditions of semi-fluid (mixed) friction in the form of an equivalent oscillatory link. The method is based on the integrated method for calculating and determining the technical state of a typical repair equipment based on the proposed integr

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